Chelated Multiminerals Iron-Free

Chelated Multiminerals Iron-Free

Bluebonnet4.6 (1,925 ratings)
Format:Tablet Quantity: 120 Tablet(s) · 40 servings
Goals
$27.16 $0.67 per serving

About this product

The strongest fit is filling calcium and magnesium gaps without adding iron. The declared 1000 mg calcium and 400 mg magnesium support normal mineral and bone functions when dietary intake is low. Magnesium's role in energy metabolism does not establish an energy or stress benefit once intake is adequate.

The calcium sources are identified, and zinc is supplied as bisglycinate with 1 mg copper disclosed. Magnesium combines bisglycinate and oxide, but their proportions are unknown, leaving the contribution of each source unclear. Repeated listings of the mineral forms should not be added together as multiple full doses.

The broad list of trace minerals does not make every suggested use equally well supported. Vitamin D and selenium amounts are small, potassium is far below the exposures behind its blood-pressure findings, and betaine hydrochloride adds no supported digestive contribution here. Value is mixed, so the substantial calcium and magnesium amounts should match the dietary gaps being addressed.

Who is it for
  • Adults with calcium and magnesium gaps who do not need supplemental iron
  • People seeking mineral-focused nutritional coverage
Best for
  • Bone-related mineral gap coverage without added iron
  • Combining calcium and magnesium with disclosed zinc and copper

Pros

  • Substantial declared calcium and magnesium amounts
  • Copper amount is provided alongside zinc
  • Several minerals use identified chelated sources

Cons

  • Magnesium-source proportions are unknown and include oxide
  • Small potassium amount cannot inherit the effects of much larger exposures
  • Betaine hydrochloride has no supported digestive contribution in the supplied findings
  • Several mineral contributions are costly for the amounts provided

Product analysis

59 out of 100

Chelated Multiminerals Iron-Free provides mineral support for bone maintenance and normal immune function without added iron. Its magnesium sources differ in absorption, but their proportions are not disclosed.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality65

Several minerals use favorable forms, particularly calcium and many of the smaller mineral contributions. The magnesium mixture includes a less readily absorbed form with undisclosed proportions.

Ingredient Transparency74

Amounts and most forms are disclosed, making much of the formula easy to compare. The proportions of the calcium and magnesium sources remain unknown.

Value For Money38

The zinc comparison points to a relatively expensive serving, while the magnesium mixture has limited value. Several other mineral comparisons are middling, leaving no clear cost advantage for the broad formula.

Customer Satisfaction82

Customer feedback is very positive across more than a thousand ratings. The ratings describe satisfaction without proving the many proposed health benefits.

Product Focus35

Bone and general nutritional support are the clearest purposes when intake is low. The many additional uses often reflect normal nutrient roles rather than established extra benefits in adequately nourished adults.

Format
Tablet
Container
120 Tablet(s)
Per serving
$0.67
Customer rating
4.6 · 1,925 ratings
Report analysis

Goals

Impact
Highest effect
C+ Ingredient FitA+ PathwaysA+ EvidenceA+ Formulation Logic
Magnesium · 400 mgCalcium · 1000 mgVitamin D · 10 mcgCopper · 1 mgManganese · 10 mgBoron · 3 mgZinc · 25 mg
Study evidence
Boron Supportive 5 studies
Calcium Supportive 144 studies
Copper Disputed 20 studies
Horsetail Not classified

No linked studies yet.

Magnesium Supportive 48 studies
Manganese Adverse 12 studies
Potassium Supportive 39 studies
Vitamin D Supportive 202 studies
Zinc Supportive 33 studies
Impact
Highest effect
B- Ingredient FitA+ PathwaysA- EvidenceA+ Formulation Logic
Vitamin D · 10 mcgMagnesium · 400 mgBoron · 3 mgSelenium · 10 mcgZinc · 25 mg
Study evidence
Boron Supportive 6 studies
Magnesium Supportive 114 studies
Selenium Supportive 70 studies
Vitamin D Supportive 115 studies
Zinc Supportive 60 studies
Impact
High effect
C- Ingredient FitB- PathwaysA EvidenceA+ Formulation Logic
Magnesium · 400 mgZinc · 25 mgVitamin D · 10 mcgBoron · 3 mg
Study evidence
Boron Disputed 3 studies
Magnesium Disputed 5 studies
Selenium No effect 16 studies
Vitamin D Supportive 56 studies
Zinc Disputed 7 studies
Impact
High effect
C- Ingredient FitB- PathwaysB EvidenceA+ Formulation Logic
Vitamin D · 10 mcgMagnesium · 400 mg
Study evidence
Magnesium Supportive 13 studies
Vitamin D Supportive 41 studies
Zinc Supportive 9 studies
Impact
Moderate effect
C Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Iodine · 225 mcgVitamin D · 10 mcgMagnesium · 400 mgPotassium · 99 mg
Study evidence
Iodine Adverse 3 studies
Magnesium Supportive 4 studies
Potassium Supportive 2 studies
Vanadium Adverse 2 studies
Vitamin D Supportive 32 studies
Impact
Moderate effect
F Ingredient FitD- PathwaysA- EvidenceA+ Formulation Logic
Zinc · 25 mgCopper · 1 mg
Study evidence
Copper Supportive 7 studies
Selenium Supportive 15 studies
Vitamin D Disputed 35 studies
Zinc Supportive 39 studies

Ingredients

IngredientAmount per servingScore
Vitamin D3 (Cholecalciferol)
10 mcg
Calcium (Calcium Bisglycinate Chelate, Calcium Citrate, Calcium Malate)
1000 mg 65
Iodine (Potassium Iodide)
225 mcg 90
Magnesium (Magnesium Bisglycinate Chelate, Magnesium Oxide)
400 mg 48
Zinc (Zinc Bisglycinate Chelate)
25 mg 82
Selenium (Selenium Glycinate Complex)
10 mcg
Copper (Copper Bisglycinate Chelate)
1 mg 78
Manganese (Manganese Bisglycinate Chelate)
10 mg 90
Chromium (Chromium Nicotinate Glycinate Chelate)
100 mcg 47
Molybdenum (Molybdenum Glycinate Chelate)
75 mcg 79
Potassium (Potassium Glycinate Complex)
99 mg
Betaine Hydrochloride
100 mg
Glutamic Acid Hydrochloride
100 mg 68
Horsetail powder
10 mg
Boron (Boron Glycinate Complex)
3 mg 68
Vanadium (Vanadium Nicotinate Bisglycinate Chelate)
50 mcg 45
Gluten Free Adults 18–50 Kosher Dairy Free Sugar Free
Report overview
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value
The serving provides 10 mg of manganese. The cost per serving is moderate. That is close to the adult upper intake level.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The source is manganese bisglycinate.
Manganese Chemical Form
The source is manganese bisglycinate.

Dose, Safety & Label Transparency100

The serving provides 10 mg of manganese. That is close to the adult upper intake level.
Manganese Dosage Efficacy & Safety
The serving provides 10 mg of manganese. That is close to the adult upper intake level.
Elemental Weight Disclosure
The manganese amount and source are stated.

Value50

The cost per serving is moderate.
Price per Serving vs. Median
The cost per serving is moderate.
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyD+ Value
The serving supplies 225 mcg of iodine for daily support at a higher cost. The iodine is supplied as potassium iodide.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

The iodine is supplied as potassium iodide. No marine iodine source is stated, so marine-source contamination concerns do not apply.
Iodine Form & Bioavailability
The iodine is supplied as potassium iodide.
Marine Source Purity & Sourcing
No marine iodine source is stated, so marine-source contamination concerns do not apply.

Dose, Safety & Label Transparency100

The serving provides 225 mcg of iodine, an amount suited to daily support. The iodine amount and source are stated.
Dosage Efficacy for Daily Support
The serving provides 225 mcg of iodine, an amount suited to daily support.
Dosage Safety & Upper Limits
225 mcg is below the 1,100 mcg adult upper limit.
Elemental Iodine Transparency
The iodine amount and source are stated.

Value50

The cost per serving is higher.
Price Per Effective Serving
The cost per serving is higher.
A+ Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value
+7
The serving provides 25 mg zinc at a high cost per serving; that's a substantial amount. It uses Zinc Bisglycinate. The serving also has 1 mg copper, giving a zinc-to-copper ratio of about 25:1.
How this ingredient is rated

Active Ingredient Quality & Bioavailability100

It uses Zinc Bisglycinate.
Zinc Form Bioavailability
It uses Zinc Bisglycinate.

Dose, Safety & Label Transparency91

The label states 25 mg zinc, a substantial amount. The serving also has 1 mg copper, giving a zinc-to-copper ratio of about 25:1.
Elemental Dose Transparency
The label states the elemental zinc amount and its source.
Zinc Dosage Safety & Effectiveness
25 mg zinc per serving is a substantial amount.
Zinc-to-Copper Mineral Balance
The serving also has 1 mg copper, giving a zinc-to-copper ratio of about 25:1.

Value30

The cost per serving is high.
Price Per Serving Efficiency
The cost per serving is high.
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. What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
    Manoj P; Derwin R; George S · International journal of older people nursing · 2023
    Meta-analysis12,620 participants7 studies pooledBone Health forCalcium
  7. Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
    Storm D; Eslin R; Porter ES; Musgrave K; Vereault D; Patton C; Kessenich C; Mohan S; Chen T; Holick MF; Rosen CJ · The Journal of clinical endocrinology and metabolism · 1998
    Randomized trial60 participantsBone Health forCalcium
  8. The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
    Prince R; Devine A; Dick I; Criddle A; Kerr D; Kent N; Price R; Randell A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1995
    Randomized trial168 participantsBone Health forCalcium
  9. The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
    Rajatanavin R; Chailurkit L; Saetung S; Thakkinstian A; Nimitphong H · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial404 participantsBone Health forCalcium
  10. Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
    Bonjour JP; Carrie AL; Ferrari S; Clavien H; Slosman D; Theintz G; Rizzoli R · The Journal of clinical investigation · 1997
    Randomized trial149 participantsBone Health forCalcium
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
    Dominguez LJ; Veronese N; Ciriminna S; Pérez-Albela JL; Vásquez-López VF; Rodas-Regalado S; Di Bella G; Parisi A; Tagliaferri F; Barbagallo M · Nutrients · 2023
    Meta-analysis119,755 participants4 studies pooledBone Health forMagnesium
  17. Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
    Hung CH; Kwok YC; Yip J; Wong HH; Leung YY · Craniomaxillofacial trauma & reconstruction · 2025
    Systematic review386 participants8 studies pooledBone Health forMagnesium
  18. Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
    Zhao D; Huang S; Lu F; Wang B; Yang L; Qin L; Yang K; Li Y; Li W; Wang W; Tian S; Zhang X; Gao W; Wang Z; Zhang Y; Xie X; Wang J; Li J · Biomaterials · 2016
    Randomized trial48 participantsBone Health forMagnesium
  19. An update on magnesium and bone health.
    Rondanelli M; Faliva MA; Tartara A; Gasparri C; Perna S; Infantino V; Riva A; Petrangolini G; Peroni G · Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2022
    Narrative reviewBone Health forMagnesium
  20. Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.
    Wang B; Tan X; Yao X; Zhu Z · Endocrine connections · 2025
    Cross-sectional study1,343 participantsBone Health forMagnesium