Product Image

Only Trace Minerals

Life Extension
4.8
★ ★ ★ ★ ★
(10747 ratings)
Copper 2 mg
Molybdenum 250 mcg
Zinc 20 mg
Chromium 400 mcg
Boron 3 mg
Manganese 2 mg
Product Image
Score81
High-quality chelated trace minerals and clear doses are the main strengths, while concentrated chromium and vanadyl sulfate call for careful use.
How scoring works
Quantity:90 Capsule(s) • (90 servings)
Goals:
Testosterone Support
Immunity
General Health
Metabolism Boost
Detoxification
Bone Health
Hair Health
Skin Health

Score 81

High-quality chelated trace minerals and clear doses are the main strengths, while concentrated chromium and vanadyl sulfate call for careful use.
How scoring works
$11.25($0.12 per serving)
Pure Formulas
$ 11.25
Vitacost
$ 11.25
Vitacost
$ 11.25
iHerb
$ 11.25
Amazon
$ 11.25
Report prices

Analysis

Zinc monomethionine plus chelated copper, chromium, molybdenum, and boron provide a strong trace-mineral foundation. The clearly stated amounts make the formula easier to assess than products built around undisclosed blends.

Coverage is deliberately narrow and does not replace a multivitamin or supply major minerals such as magnesium and calcium. Chromium is concentrated, and vanadyl sulfate adds another ingredient that may influence glucose handling.

People seeking specific trace minerals in one capsule are the clearest fit. Users already taking glucose-lowering products or multiple mineral supplements should review the combined intake before use.

Who is it for
  • Adults seeking focused trace-mineral coverage
  • People who prefer chelated mineral forms
  • Users who already cover major vitamins and minerals elsewhere
Best for
  • Zinc and copper balance
  • Chromium and molybdenum supplementation
  • Boron-inclusive trace-mineral support

Pros

  • Multiple chelated mineral forms
  • Clearly disclosed elemental amounts
  • Balanced zinc and copper inclusion

Cons

  • Does not provide vitamins or major minerals
  • Chromium amount is concentrated
  • Vanadyl sulfate adds a specialized active

Warnings

  • Chromium and vanadyl sulfate may add to the effects of insulin or glucose-lowering medicines and could increase the chance of low blood sugar.
  • The 20 mg zinc amount should not be routinely stacked with other high-zinc products because long-term excess can disturb copper balance.
  • People with kidney disease should seek professional guidance before using concentrated chromium or vanadium supplements.

Nutrient quality

82 Highest impact

Well-regarded forms support strong ingredient quality. The core selection remains reasonably aligned with its purpose.

.

Ingredient transparency

82 Highest impact

Most active amounts are clearly disclosed. Missing directions and inactive ingredients keep the label information incomplete.

.

Customer satisfaction

72 High impact

The supplied average is strong and rests on a large review count. No review text was provided to assess recurring complaints or firsthand experiences.

.

Value for money

88 Highest impact

Serving efficiency is excellent for the disclosed formula. Some weaker additions reduce value.

.
Report analysis

Goals

Testosterone Support
Testosterone Support
Impact
Highest effect
B+ Goal FitA Strength of SupportB CoverageA Formula Quality
Zinc · 20 mgBoron · 3 mg

Premium zinc and a useful boron complex directly support two mineral pathways tied to natural hormone status. Included copper helps balance the zinc serving for ongoing use.

The formula is focused, transparent, and well dosed for its narrow purpose. It does not address vitamin D status or stress-related suppression, so it works best as a mineral foundation rather than a complete approach.

Study evidence
Boron Disputed 3 studies
Zinc Disputed 7 studies
Immunity
Immunity
Impact
Highest effect
A- Goal FitA Strength of SupportC+ CoverageA Formula Quality
Zinc · 20 mg

A premium zinc serving gives this trace-mineral formula a direct and credible immune role. Zinc monomethionine is clearly disclosed at a robust daily amount and is paired with copper for mineral balance.

The product does not provide vitamin C, vitamin D, vitamin A, or botanical support for broader immune pathways. It is a strong focused zinc option but not a complete immune formula.

Study evidence
Zinc Supportive 73 studies
General Health
General Health
Impact
Highest effect
B+ Goal FitA Strength of SupportB- CoverageA- Formula Quality
Boron · 3 mgZinc · 20 mg

Well-chosen trace minerals provide focused support for nutritional gaps, connective tissue, and normal metabolic enzyme function. OptiZinc, copper bisglycinate, chelated chromium and molybdenum, and a multi-form boron complex are clearly dosed.

The formula omits major vitamins and macrominerals, so its general-health contribution is intentionally limited in breadth. Manganese sulfate and vanadyl sulfate are less compelling than the premium chelates used elsewhere.

Study evidence
Boron Supportive 6 studies
Zinc Supportive 60 studies
Metabolism Boost
Metabolism Boost
Impact
High effect
B- Goal FitA- Strength of SupportC CoverageB+ Formula Quality
Zinc · 20 mg

High-dose chelated chromium and vanadyl sulfate provide focused support for glucose handling and insulin sensitivity. The chromium amount and form are well aligned with targeted metabolic use.

The formula does not address thermogenesis, mitochondrial transport, or thyroid support. Its narrow pathway is nevertheless potent, clearly disclosed, and free of unnecessary additions.

Study evidence
Chromium Supportive 47 studies
Vanadium Supportive 7 studies
Detoxification
Detoxification
Impact
High effect
C+ Goal FitA Strength of SupportC CoverageB+ Formula Quality
Molybdenum · 250 mcgZinc · 20 mg

Molybdenum glycinate is supplied at an ideal amount for sulfite oxidase, and monomethionine zinc supports antioxidant enzymes. Both minerals use high-quality forms with exact elemental disclosure.

The formula is narrow and does not provide glutathione precursors, methylation vitamins, liver-protective botanicals, or gut binders. It is best suited to targeted trace-mineral support rather than broad detoxification.

Study evidence
Molybdenum Adverse 1 study
Zinc Supportive 30 studies
Bone Health
Bone Health
Impact
High effect
C Goal FitB- Strength of SupportD+ CoverageB Formula Quality
Copper · 2 mgManganese · 2 mgBoron · 3 mgZinc · 20 mg

Boron, zinc, copper, and manganese provide trace-mineral support for bone remodeling and matrix enzymes. The 3 mg boron amount is meaningful and the zinc and copper forms are favorable.

Calcium, magnesium, vitamin D, vitamin K, and a protein-matrix ingredient are all absent. The product is best viewed as an add-on to a complete bone plan rather than a standalone skeletal formula.

Study evidence
Boron Supportive 5 studies
Copper Disputed 20 studies
Manganese Adverse 12 studies
Zinc Supportive 33 studies

Ingredients

IngredientAmount per serving
Zinc (OptiZinc Zinc Monomethionine)
 20 mg
Copper (Copper Bisglycinate Chelate)
 2 mg
Manganese (Manganese Sulfate)
 2 mg
Chromium (Chromium Nicotinate Glycinate Chelate)
 400 mcg
Molybdenum (Molybdenum Glycinate Chelate)
 250 mcg
Boron Complex (Boron Aspartate, Boron Citrate, Boron Glycinate)
 3 mg
Vanadyl Sulfate
3.75 mg
Adults 18–50
Report overview
Copper (Copper Bisglycinate Chelate) · 2 mg OverallScore100
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Copper bisglycinate offers premium absorption and clear disclosure. The target copper amount is well balanced with zinc. Its very low serving cost makes the trace-mineral formula especially efficient.

View ingredientView products
Molybdenum (Molybdenum Glycinate Chelate) · 250 mcg OverallScore94
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

Molybdenum glycinate offers a highly bioavailable organic form, though no branded chelation source is identified. The 250 mcg serving sits in the ideal range and remains far below the upper intake limit. Dose-for-cost efficiency is especially favorable.

View ingredientView products
Zinc (OptiZinc Zinc Monomethionine) · 20 mg OverallScore91
A+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

A premium monomethionine source supports absorption and stomach tolerance. The label clearly states 20 mg of elemental zinc, a maintenance-level amount that is unlikely to disrupt copper balance. The single-unit serving is convenient, while cost efficiency is good for the dose.

View ingredientView products
Loading alternative details
85 Performance

Essential Blend Multi Mineral

Jigsaw Health
<p>Organic chelated trace minerals and meaningful amounts create a focused, high-quality mineral formula. Compared with the original, the focused mineral design avoids vanadyl sulfate or offers a more balanced maintenance role, with its own dose limitations.</p>
84 Performance

Zinc-Copper Balance

AOR Advanced Orthomolecular Research Premium
<p>A practical zinc amount and well-matched copper use favorable citrate and picolinate forms. Compared with the original, the focused mineral design avoids vanadyl sulfate or offers a more balanced maintenance role, with its own dose limitations.</p>
74 Performance

High Bioactivity Life Minerals

Source Naturals
<p>A broad mineral profile uses several useful forms and offers favorable serving value. Compared with the original, the focused mineral design avoids vanadyl sulfate or offers a more balanced maintenance role, with its own dose limitations.</p>
78 Budget

Multi with Iron Century Formula

Swanson
<p>The broad vitamin and mineral profile covers common nutritional gaps at very low serving cost, but several mineral and B-vitamin forms are basic. Its lower serving cost improves affordability and broadens daily nutrients, though it uses less refined trace-mineral forms than the original.</p>
79 Budget

Women's Daily Multi Formula

Mason Natural
<p>A broad vitamin and mineral profile offers useful daily coverage, including iron, calcium, vitamin D3, and zinc. Its lower serving cost improves affordability and broadens daily nutrients, though it uses less refined trace-mineral forms than the original.</p>
79 Budget

Daily Vits

NOW
<p>The core vitamins, iron, calcium, and zinc are meaningful, while carotenoids and potassium are token doses. Its lower serving cost improves affordability and broadens daily nutrients, though it uses less refined trace-mineral forms than the original.</p>
79 Value

One Daily Men's 50+

21st Century
<p>The iron-free profile covers the main vitamins and trace minerals relevant to older men at an efficient serving cost. The mineral coverage and serving economics provide a practical value trade-off compared with the original's concentrated chromium and specialized extras.</p>
83 Value

Zinc 30 mg

Nature's Life
<p>Zinc picolinate with copper provides a coherent, economical mineral-balance formula. The mineral coverage and serving economics provide a practical value trade-off compared with the original's concentrated chromium and specialized extras.</p>
76 Value

Mini-Multi

Carlson
<p>A broad one-daily vitamin profile uses several useful forms, but calcium and magnesium amounts are too small for meaningful bone support. The mineral coverage and serving economics provide a practical value trade-off compared with the original's concentrated chromium and specialized extras.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. [Comparative study of the urinary excretion of boron, calcium, magnesium and phosphorus in postmenopausal women with and without osteoporosis].
    José Ramón V; Mora Mora M; Marino Alarcón O; Hernández G; Josefina Linares L; Urdaneta Romero H; Arévalo González E · Investigacion clinica · 2013
    Case-control study45 participantsBone Health forBoron
  2. Effect of dietary boron on mineral, estrogen, and testosterone metabolism in postmenopausal women.
    Nielsen FH; Hunt CD; Mullen LM; Hunt JR · FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 1987
    Single-arm trial12 participantsBone Health forBoron
  3. The relationship between boron and magnesium status and bone mineral density in the human: a review.
    Volpe SL; Taper LJ; Meacham S · Magnesium research · 1994
    Narrative reviewBone Health forBoron
  4. Effects of boron supplementation on bone mineral density and dietary, blood, and urinary calcium, phosphorus, magnesium, and boron in female athletes.
    Meacham SL; Taper LJ; Volpe SL · Environmental health perspectives · 1995
    Randomized trial28 participantsBone Health forBoron
  5. Metabolic responses of postmenopausal women to supplemental dietary boron and aluminum during usual and low magnesium intake: boron, calcium, and magnesium absorption and retention and blood mineral concentrations
    C D Hunt, J L Herbel, F H Nielsen · The American Journal of Clinical Nutrition · 1997
    Non-randomized trial11 participantsBone Health forBoron
  6. The Association between Dietary and Circulating Copper Levels and Osteoporosis: a Scoping Review.
    Ju Y; Xiong W; Pang Y; Chen Z; Hou J; Zheng S; Li Z; Liu T; Xia H; Xia M; Zhong Y; Li J; Jiang X · Biological trace element research · 2026
    Scoping review18 studies pooledBone Health forCopper
  7. Association between dietary copper, iron, zinc, selenium intake and osteopenia or osteoporosis in elderly hypertensive patients: a retrospective cohort study.
    Chen M; Jia L; Gao R · Frontiers in nutrition · 2024
    Cohort study5,286 participantsBone Health forCopper
  8. Associations of dietary copper intake with total bone mineral density and lumbar spine bone mineral density in American adults.
    Hu M; Wang Z; Li C; Zheng Y; Hu J · Medicine · 2025
    Cross-sectional studyBone Health forCopper
  9. The association between dietary mineral intake and bone mineral density: a cross-sectional study.
    Wei M; Wei J; Huang S · Journal of health, population, and nutrition · 2025
    Cross-sectional study11,520 participantsBone Health forCopper
  10. Association between dietary copper intake and bone mineral density in children and adolescents aged 8-19 years: A cross-sectional study.
    Cui A; Yan J; Li H; Fan Z; Wei X; Wang H; Zhuang Y · PloS one · 2024
    Cross-sectional study6,965 participantsBone Health forCopper
  11. Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
    Ling R; Ai Y; Chen C; Zhang J; Zou Z; Cheng S; Li C; Li X; Wang B · Metabolites · 2023
    Cross-sectional study2,640 participantsBone Health forManganese
  12. The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
    Taskozhina G; Batyrova G; Umarova G; Issanguzhina Z; Kereyeva N · Journal of clinical medicine · 2024
    Narrative reviewBone Health forManganese
  13. Associations of multiple metals with bone mineral density: A population-based study in US adults.
    Wei MH; Cui Y; Zhou HL; Song WJ; Di DS; Zhang RY; Huang Q; Liu JA; Wang Q · Chemosphere · 2021
    Cross-sectional studyBone Health forManganese
  14. Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
    Li H; Li G; Yi M; Zhou J; Deng Y; Huang Y; He S; Meng X; Liu L · Frontiers in public health · 2024
    Cross-sectional study31 participantsBone Health forManganese
  15. Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.
    Wang C; Zhu Y; Long H; Ou M; Zhao S · PloS one · 2022
    Cross-sectional study9,732 participantsBone Health forManganese
  16. Increased incidence of fractures in middle-aged and elderly men with low intakes of phosphorus and zinc.
    Elmståhl S; Gullberg B; Janzon L; Johnell O; Elmståhl B · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 1999
    Cohort study6,576 participantsBone Health forZinc
  17. Zinc Supplementation Increases Procollagen Type 1 Amino-Terminal Propeptide in Premenarcheal Girls: A Randomized Controlled Trial.
    Berger PK; Pollock NK; Laing EM; Chertin V; Bernard PJ; Grider A; Shapses SA; Ding KH; Isales CM; Lewis RD · The Journal of nutrition · 2016
    Randomized trial147 participantsBone Health forZinc
  18. Randomized controlled trial of prenatal zinc supplementation and fetal bone growth.
    Merialdi M; Caulfield LE; Zavaleta N; Figueroa A; Costigan KA; Dominici F; Dipietro JA · The American journal of clinical nutrition · 2004
    Randomized trial242 participantsBone Health forZinc
  19. The effects of zinc supplementation on serum zinc, alkaline phosphatase activity and fracture healing of bones.
    Sadighi A; Roshan MM; Moradi A; Ostadrahimi A · Saudi medical journal · 2009
    Randomized trial60 participantsBone Health forZinc
  20. Is Zinc an Important Trace Element on Bone-Related Diseases and Complications? A Meta-analysis and Systematic Review from Serum Level, Dietary Intake, and Supplementation Aspects.
    Ceylan MN; Akdas S; Yazihan N · Biological trace element research · 2021
    Meta-analysis40 studies pooledBone Health forZinc
  21. Human molybdenum exposure risk in industrial regions of China: New critical effect indicators and reference dose.
    Kuang HX; Li MY; Zeng XW; Chen D; Zhou Y; Zheng T; Xiang MD; Wu QZ; Chen XC; Dong GH; Yu YJ · Ecotoxicology and environmental safety · 2024
    Cross-sectional study2,267 participantsDetoxification forMolybdenum
  22. [Therapy of Wilson disease].
    Smolarek C; Stremmel W · Zeitschrift fur Gastroenterologie · 1999
    Narrative reviewDetoxification forZinc
  23. Efficacy of Zinc Supplement in Minimal hepatic Encephalopathy: A prospective, Randomized Controlled Study (Zinc-MHE Trial).
    Janyajirawong R; Vilaichone RK; Sethasine S · Asian Pacific journal of cancer prevention : APJCP · 2021
    Randomized trial69 participantsDetoxification forZinc
  24. Effect of zinc on liver cirrhosis with hyperammonemia: a preliminary randomized, placebo-controlled double-blind trial.
    Katayama K; Saito M; Kawaguchi T; Endo R; Sawara K; Nishiguchi S; Kato A; Kohgo H; Suzuki K; Sakaida I; Ueno Y; Habu D; Ito T; Moriwaki H; Suzuki K · Nutrition (Burbank, Los Angeles County, Calif.) · 2015
    Randomized trial18 participantsDetoxification forZinc
  25. Effects of low dose zinc supplementation on biochemical markers in non-alcoholic cirrhosis: a randomized clinical trial.
    Somi MH; Rezaeifar P; Ostad Rahimi A; Moshrefi B · Archives of Iranian medicine · 2012
    Randomized trial60 participantsDetoxification forZinc
  26. Correlation of Serum Zinc Levels with Hepatic Encephalopathy Severity in Patients with Decompensated Liver Cirrhosis: A Prospective Observational Study from Egypt.
    Semeya AA; Elgamal R; Othman AAA · Biological trace element research · 2025
    Observational study200 participantsDetoxification forZinc
  27. Effects of boron supplementation on the severity and duration of pain in primary dysmenorrhea.
    Nikkhah S; Dolatian M; Naghii MR; Zaeri F; Taheri SM · Complementary therapies in clinical practice · 2015
    Randomized trial113 participantsGeneral Health forBoron
  28. Efficacy and safety of tavaborole topical solution, 5%, a novel boron-based antifungal agent, for the treatment of toenail onychomycosis: Results from 2 randomized phase-III studies.
    Elewski BE; Aly R; Baldwin SL; González Soto RF; Rich P; Weisfeld M; Wiltz H; Zane LT; Pollak R · Journal of the American Academy of Dermatology · 2015
    Randomized trialGeneral Health forBoron
  29. The efficacy and safety of tavaborole, a novel, boron-based pharmaceutical agent: phase 2 studies conducted for the topical treatment of toenail onychomycosis.
    Toledo-Bahena ME; Bucko A; Ocampo-Candiani J; Herz-Ruelas ME; Jones TM; Jarratt MT; Pollak RA; Zane LT · Journal of drugs in dermatology : JDD · 2015
    Clinical trial336 participantsGeneral Health forBoron
  30. Boron neutron capture therapy (BNCT) for glioblastoma multiforme: a phase II study evaluating a prolonged high-dose of boronophenylalanine (BPA).
    Henriksson R; Capala J; Michanek A; Lindahl SA; Salford LG; Franzén L; Blomquist E; Westlin JE; Bergenheim AT; Swedish Brain Tumour Study Group · Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology · 2009
    Single-arm trial30 participantsGeneral Health forBoron
  31. Effects of Calcium Fructoborate on Levels of C-Reactive Protein, Total Cholesterol, Low-Density Lipoprotein, Triglycerides, IL-1β, IL-6, and MCP-1: a Double-blind, Placebo-controlled Clinical Study
    Otilia-Constantina Rogoveanu, George Dan Mogosanu, Cornelia Bejenaru, Ludovic Everard Bejenaru, Octavian Croitoru, Johny Neamtu, Zbigniew Pietrzkowski, Tania Reyes-Izquierdo, Andrei Bita, Iulia Daria Scorei, Romulus Ion Scorei · Biological Trace Element Research · 2015
    Randomized trial78 participantsGeneral Health forBoron
  32. Effectiveness of sodium bicarbonate and zinc chloride mouthwashes in the treatment of oral mucositis and quality of life in patients with cancer under chemotherapy.
    Mohammadi F; Oshvandi K; Kamallan SR; Khazaei S; Ranjbar H; Ahmadi-Motamayel F; Gillespie M; Jenabi E; Vafaei SY · Nursing open · 2022
    Randomized trial144 participantsGeneral Health forZinc
  33. Zinc supplementation in young children with acute diarrhea in India.
    Sazawal S; Black RE; Bhan MK; Bhandari N; Sinha A; Jalla S · The New England journal of medicine · 1995
    Randomized trial937 participantsGeneral Health forZinc
  34. Associations of mortality with ocular disorders and an intervention of high-dose antioxidants and zinc in the Age-Related Eye Disease Study: AREDS Report No. 13.
    Clemons TE; Kurinij N; Sperduto RD; AREDS Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2004
    Randomized trial4,753 participantsGeneral Health forZinc
  35. Effects of zinc and probiotic co-supplementation on inflammation, gastrointestinal symptoms, quality of life, and mood in irritable bowel syndrome patients.
    Rezazadegan M; Soheilipour M; Amani R · Scientific reports · 2026
    Randomized trial84 participantsGeneral Health forZinc
  36. Effect of zinc sulfate supplementation on premenstrual syndrome and health-related quality of life: Clinical randomized controlled trial.
    Siahbazi S; Behboudi-Gandevani S; Moghaddam-Banaem L; Montazeri A · The journal of obstetrics and gynaecology research · 2018
    Randomized trial142 participantsGeneral Health forZinc
  37. Menkes disease and response to copper histidine: An Indian case series.
    Yoganathan S; Sudhakar SV; Arunachal G; Thomas M; Subramanian A; George R; Danda S · Annals of Indian Academy of Neurology · 2022
    Case series4 participantsHair Health forCopper
  38. Trace element levels in alopecia areata.
    Bhat YJ; Manzoor S; Khan AR; Qayoom S · Indian journal of dermatology, venereology and leprology · 2009
    Case-control study100 participantsHair Health forCopper
  39. UV damage to hair and the effect of antioxidants and metal chelators.
    Millington KR; Marsh JM · International journal of cosmetic science · 2021
    In vitro / ex vivo studyHair Health forCopper
  40. Preserving fibre health: reducing oxidative stress throughout the life of the hair fibre.
    Marsh JM; Davis MG; Lucas RL; Reilman R; Styczynski PB; Li C; Mamak M; McComb DW; Williams RE; Godfrey S; Navqi KR; Chechik V · International journal of cosmetic science · 2016
    In vitro / ex vivo studyHair Health forCopper
  41. The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
    Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
    Randomized trial200 participantsHair Health forZinc
  42. Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
    Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
    Randomized trialHair Health forZinc
  43. A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
    Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
    Randomized trial40 participantsHair Health forZinc
  44. BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
    Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
    Case-control study216 participantsHair Health forZinc
  45. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  46. Nutrient supplementation for prevention of viral respiratory tract infections in healthy subjects: A systematic review and meta-analysis.
    Vlieg-Boerstra B; de Jong N; Meyer R; Agostoni C; De Cosmi V; Grimshaw K; Milani GP; Muraro A; Oude Elberink H; Pali-Schöll I; Roduit C; Sasaki M; Skypala I; Sokolowska M; van Splunter M; Untersmayr E; Venter C; O'Mahony L; Nwaru BI · Allergy · 2022
    Meta-analysis199,055 participants115 studies pooledImmunity forZinc
  47. Zinc supplementation reduces the incidence of acute lower respiratory infections in infants and preschool children: a double-blind, controlled trial.
    Sazawal S; Black RE; Jalla S; Mazumdar S; Sinha A; Bhan MK · Pediatrics · 1998
    Randomized trial609 participantsImmunity forZinc
  48. A randomized controlled trial of zinc supplementation in the treatment of acute respiratory tract infection in Thai children.
    Rerksuppaphol S; Rerksuppaphol L · Pediatric reports · 2020
    Randomized trial64 participantsImmunity forZinc
  49. The effect of zinc and vitamin A supplementation on immune response in an older population.
    Fortes C; Forastiere F; Agabiti N; Fano V; Pacifici R; Virgili F; Piras G; Guidi L; Bartoloni C; Tricerri A; Zuccaro P; Ebrahim S; Perucci CA · Journal of the American Geriatrics Society · 1998
    Randomized trial136 participantsImmunity forZinc
  50. The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.
    Vecchietti A; Strano P; Minutolo G; Grieco V; Cappuccio G; Granvillano G; Confalonieri L; Briganti GL; Raso E; Chimienti M; Pellegrini M; Mercogliano M; Spatari G; Lugli C; Urbano T; Lorenzon A · Journal of preventive medicine and hygiene · 2026
    Systematic review13 studies pooledImmunity forZinc
  51. Elevated intakes of supplemental chromium improve glucose and insulin variables in individuals with type 2 diabetes.
    Anderson RA; Cheng N; Bryden NA; Polansky MM; Cheng N; Chi J; Feng J · Diabetes · 1997
    Randomized trial180 participantsMetabolism Boost forChromium
  52. Chromium Supplementation and the Effects on Metabolic Status in Women with Polycystic Ovary Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial.
    Jamilian M; Asemi Z · Annals of nutrition & metabolism · 2016
    Randomized trial64 participantsMetabolism Boost forChromium
  53. A Comprehensive insight into the effect of chromium supplementation on oxidative stress indices in diabetes mellitus: A systematic review.
    Kooshki F; Tutunchi H; Vajdi M; Karimi A; Niazkar HR; Shoorei H; Pourghassem Gargari B · Clinical and experimental pharmacology & physiology · 2024
    Systematic review33 studies pooledMetabolism Boost forChromium
  54. Comparison of nutritional supplements in improving glycolipid metabolism and endocrine function in polycystic ovary syndrome: a systematic review and network meta-analysis.
    Hu X; Wang W; Su X; Peng H; Tan Z; Li Y; Huang Y · PeerJ · 2023
    Meta-analysis2,362 participants41 studies pooledMetabolism Boost forChromium
  55. [Chromium supplementation in patients with type 2 diabetes and high risk of type 2 diabetes: a meta-analysis of randomized controlled trials].
    San Mauro-Martin I; Ruiz-León AM; Camina-Martín MA; Garicano-Vilar E; Collado-Yurrita L; Mateo-Silleras Bd; Redondo Del Río Mde P · Nutricion hospitalaria · 2017
    Meta-analysis13 studies pooledMetabolism Boost forChromium
  56. Insulin Receptor Substrates Regulation and Clinical Responses Following Vanadium-Enriched Yeast Supplementation in Obese Type 2 Diabetic Patients: a Randomized, Double-Blind, Placebo-Controlled Clinical Trial.
    Ghalichi F; Saghafi-Asl M; Kafil B; Faghfouri AH; Jourshari MR; Naserkiadeh AA; Ostadrahimi A · Biological trace element research · 2023
    Randomized trial44 participantsMetabolism Boost forVanadium
  57. Insulin signal mimicry as a mechanism for the insulin-like effects of vanadium.
    Mehdi MZ; Pandey SK; Théberge JF; Srivastava AK · Cell biochemistry and biophysics · 2006
    Narrative reviewMetabolism Boost forVanadium
  58. Metabolic effects of vanadyl sulfate in humans with non-insulin-dependent diabetes mellitus: in vivo and in vitro studies.
    Goldfine AB; Patti ME; Zuberi L; Goldstein BJ; LeBlanc R; Landaker EJ; Jiang ZY; Willsky GR; Kahn CR · Metabolism: clinical and experimental · 2000
    Clinical trial16 participantsMetabolism Boost forVanadium
  59. Vanadyl sulfate improves hepatic and muscle insulin sensitivity in type 2 diabetes.
    Cusi K; Cukier S; DeFronzo RA; Torres M; Puchulu FM; Redondo JC · The Journal of clinical endocrinology and metabolism · 2001
    Single-arm trial11 participantsMetabolism Boost forVanadium
  60. Effect of vanadium on insulin sensitivity in patients with impaired glucose tolerance.
    Jacques-Camarena O; González-Ortiz M; Martínez-Abundis E; López-Madrueño JF; Medina-Santillán R · Annals of nutrition & metabolism · 2009
    Randomized trial14 participantsMetabolism Boost forVanadium
  61. Noninferiority of Copper Dressings Than Negative Pressure Wound Therapy in Healing Diabetic Wounds: A Randomized Clinical Trial.
    Melamed E; Dabbah J; Israel T; Kan I; Pinzur MS; Roth T; Borkow G · Advances in wound care · 2026
    Randomized trialSkin Health forCopper
  62. Improvement of facial skin characteristics using copper oxide containing pillowcases: a double-blind, placebo-controlled, parallel, randomized study.
    Borkow G; Gabbay J; Lyakhovitsky A; Huszar M · International journal of cosmetic science · 2010
    Randomized trial57 participantsSkin Health forCopper
  63. Radially Electrospun Fibrous Membrane Incorporated with Copper Peroxide Nanodots Capable of Self-Catalyzed Chemodynamic Therapy for Angiogenesis and Healing Acceleration of Diabetic Wounds.
    Huang Y; Qi L; Liu Z; Jiang Y; Wang J; Liu L; Li Y; Zhang L; Feng G · ACS applied materials & interfaces · 2023
    Animal experimentSkin Health forCopper
  64. Engineering copper nanoparticle/polysaccharide-immobilized cotton gauze for accelerated healing of Staphylococcus aureus-infected dermal wounds.
    Sahoo M; Banerjee T; Virkar S; Das S; Biswas S; Mitra D · Journal of materials chemistry. B · 2026
    Animal experimentSkin Health forCopper
  65. Stimulation of Healing of Non-Infected Stagnated Diabetic Wounds by Copper Oxide-Impregnated Wound Dressings.
    Melamed E; Rovitsky A; Roth T; Assa L; Borkow G · Medicina (Kaunas, Lithuania) · 2021
    Single-arm trialSkin Health forCopper
  66. Sex-related differences in response to zinc pyrithione shampoo vs. non-anti-dandruff shampoo.
    Collins LZ; Baines FL; Matheson JR; Turner GA; Diao Y; Li Y; Pi Y · International journal of cosmetic science · 2019
    Meta-analysis2,088 participants20 studies pooledSkin Health forZinc
  67. Maintenance of an Acidic Skin Surface with a Novel Zinc Lactobionate Emollient Preparation Improves Skin Barrier Function in Patients with Atopic Dermatitis.
    Andrew PV; Pinnock A; Poyner A; Brown K; Chittock J; Kay LJ; Cork MJ; Danby SG · Dermatology and therapy · 2024
    Cohort study23 participantsSkin Health forZinc
  68. Spatial expression of metallothionein, matrix metalloproteinase-1 and Ki-67 in human epidermal wounds treated with zinc and determined by quantitative immunohistochemistry: A randomised double-blind trial.
    Ågren MS; Chafranska L; Eriksen JO; Forman JL; Bjerrum MJ; Schjerling P; Larsen HF; Cottarelli E; Jorgensen LN; Gjerdrum LMR · European journal of cell biology · 2021
    Randomized trial30 participantsSkin Health forZinc
  69. A pilot trial using topical regular crystalline insulin vs. aqueous zinc solution for uncomplicated cutaneous wound healing: Impact on quality of life.
    Attia EA; Belal DM; El Samahy MH; El Hamamsy MH · Wound repair and regeneration : official publication of the Wound Healing Society [and] the European Tissue Repair Society · 2014
    Randomized trial90 participantsSkin Health forZinc
  70. Evidence-Based Nutritional Interventions in Wound Care.
    Saeg F; Orazi R; Bowers GM; Janis JE · Plastic and reconstructive surgery · 2021
    Systematic review2,339 participants36 studies pooledSkin Health forZinc
  71. Biochemical and physiologic consequences of boron deprivation in humans.
    Nielsen FH · Environmental health perspectives · 1995
    Single-arm trial12 participantsTestosterone Support forBoron
  72. Plasma boron and the effects of boron supplementation in males.
    Green NR; Ferrando AA · Environmental health perspectives · 1995
    Randomized trial19 participantsTestosterone Support forBoron
  73. Comparative effects of daily and weekly boron supplementation on plasma steroid hormones and proinflammatory cytokines
    Mohammad Reza Naghii, Mahmoud Mofid, Ali Reza Asgari, Mehdi Hedayati, Maryam-Saddat Daneshpour · Journal of Trace Elements in Medicine and Biology · 2011
    Non-randomized trial8 participantsTestosterone Support forBoron
  74. Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
    Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
    Cross-sectional study219 participantsTestosterone Support forZinc
  75. Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
    Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
    Scoping reviewTestosterone Support forZinc
  76. Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
    Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
    Narrative reviewTestosterone Support forZinc
  77. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  78. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc