Product Image

Saw Palmetto 450 mg

21st Century
4.6
★ ★ ★ ★ ★
(11257 ratings)
Zinc 15 mg
Saw Palmetto 450 mg
Product Image
Score80
A cheap, simple saw palmetto-zinc capsule with good zinc form but uncertain botanical potency.
How scoring works
Quantity:60 Capsule(s) • (60 servings)
Goals:
General Health
Immunity
Hair Health

Score 80

A cheap, simple saw palmetto-zinc capsule with good zinc form but uncertain botanical potency.
How scoring works
$7.99($0.13 per serving)
iHerb
$ 7.99
Amazon
$ 7.99
iHerb
$ 7.99
Report prices

Analysis

The capsule contains 450 mg of saw palmetto powder with 15 mg of zinc picolinate. Zinc form quality and one-capsule convenience are clear strengths.

Whole powder does not provide the fatty-acid standardization used to judge many saw palmetto extracts. No copper is included, though the zinc amount is moderate rather than extreme.

Low serving cost makes it accessible for adults wanting a simple trial. The formula is more relevant to prostate and hair-related androgen pathways than to broad immunity or testosterone support.

Who is it for
  • Adults seeking an affordable saw palmetto product
  • People wanting zinc picolinate
  • Users preferring one capsule
Best for
  • Simple prostate support
  • Saw palmetto trial
  • Low-cost zinc intake

Pros

  • Uses zinc picolinate
  • One-capsule serving
  • Very affordable

Cons

  • Saw palmetto is unstandardized powder
  • No copper
  • Narrow formula

Warnings

  • Saw palmetto may increase bleeding tendency with anticoagulant or antiplatelet medicines
  • Saw palmetto may affect PSA test interpretation
  • Saw palmetto is unsuitable during pregnancy

Nutrient quality

75 High impact

Zinc picolinate is a useful form and the saw-palmetto powder is clearly dosed. Unstandardized berry powder provides less predictable active-fatty-acid exposure than a concentrated extract.

Ingredient transparency

80 Highest impact

Both active amounts are clear and no proprietary blend hides them. Saw-palmetto marker content, full directions, and inactive capsule ingredients are not supplied.

Customer satisfaction

72 High impact

The aggregate rating is favorable and supported by a useful number of reviews. No specific review comments were supplied, so repeated complaints and purpose-related experiences cannot be verified.

Value for money

93 Highest impact

The very low recurring cost and focused formula provide strong value. Lower extract potency confidence is the main trade-off against standardized alternatives.

Report analysis

Goals

General Health
Impact
High effect
B- Goal FitA- Strength of SupportC- CoverageB Formula Quality
Zinc · 15 mg

Zinc picolinate supplies a well-absorbed foundational mineral at a practical maintenance amount. Saw palmetto gives the product a narrower prostate-focused purpose rather than broad general-health coverage.

Both active amounts are clearly disclosed, and the zinc form is a notable strength. The botanical powder is not described as a standardized extract, which limits confidence in its consistency.

Study evidence
Zinc Supportive 60 studies
Immunity
Impact
High effect
C+ Goal FitA- Strength of SupportD+ CoverageB- Formula Quality
Zinc · 15 mg

Zinc picolinate supplies direct immune support in a well-absorbed form. Saw palmetto makes the product primarily a prostate-focused supplement rather than a broad immune formula.

The zinc amount is suitable for daily maintenance and is disclosed clearly. Immune pathway coverage stays narrow because no vitamin C, vitamin D, or barrier-support nutrient is included.

Study evidence
Zinc Supportive 73 studies
Hair Health
Impact
High effect
B- Goal FitC- Strength of SupportC- CoverageA- Formula Quality
Zinc · 15 mg

Saw palmetto targets androgen signaling that can contribute to pattern hair thinning, while zinc picolinate supports follicle cell growth. The pairing covers hormonal and nutritional pathways, but oral hair evidence for saw palmetto remains limited compared with established treatments.

The 450 mg powder is not standardized for fatty acids, so the active exposure cannot be judged from the weight alone. Saw palmetto may affect hormone-sensitive conditions, pregnancy, anticoagulant therapy, or hormone medicines, making those situations poor fits without specific clinical guidance.

Study evidence
Saw Palmetto Supportive 5 studies
Zinc Supportive 22 studies
Skin Health
Impact
Moderate effect
C Goal FitB+ Strength of SupportD+ CoverageC- Formula Quality
Zinc · 15 mg

Zinc supports skin repair, immune defense, and inflammatory balance at a useful maintenance amount. Saw palmetto is aimed mainly at prostate and hair-related hormonal pathways.

The 15 mg amount is clearly disclosed and meets a practical threshold. Zinc picolinate is a premium, well-absorbed form.

Study evidence
Zinc Supportive 66 studies
Impact
Moderate effect
D Goal FitC+ Strength of SupportD- CoverageC- Formula Quality
Zinc · 15 mg

Zinc picolinate supports normal steroidogenesis, while saw palmetto is aimed at androgen metabolism rather than testosterone production. Zinc correction has relevant human support, but saw palmetto does not reliably raise testosterone and may reduce DHT activity.

The zinc amount fits maintenance use and the saw palmetto mass is clearly stated. The compact formula is transparent, but its botanical mechanism may not match the selected goal.

Study evidence
Zinc Disputed 7 studies

Ingredients

IngredientAmount per serving
Zinc (Zinc Picolinate)
15 mg
Saw Palmetto powder
450 mg
Gluten Free Men 18–50 Vegetarian
Report overview
A+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

Zinc picolinate is a premium form with strong absorption. The 15 mg elemental zinc amount provides effective maintenance support, and the maintenance zinc dose is below the level where copper depletion is a major concern. The premium zinc form is delivered at favorable cost efficiency.

Saw Palmetto · 450 mg OverallScore46
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyD+ Value

The single capsule provides a sizable amount of saw palmetto powder at a low serving cost. Powder is not equivalent to a concentrated extract, and the label gives no fatty-acid or extraction information. Convenience and affordability are strengths, but confidence in active potency remains limited.

Loading alternative details
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. The Safety and Efficacy of a Proprietary Bioactive Fatty Acids Extract From Saw Palmetto (Serenoa repens) for Promoting Hair Growth and Reducing Hair Loss in Adults With Self-Perceived Thinning Hair: 90-Day Results.
    Ablon G · Journal of cosmetic dermatology · 2025
    Randomized trial60 participantsHair Health forSaw Palmetto
  7. Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
    Zhou L; Zhu W; Chen Y · Frontiers in nutrition · 2026
    Meta-analysis1,658 participants19 studies pooledHair Health forSaw Palmetto
  8. The Safety and Efficacy of a Novel Saw Palmetto (Serenoa repens) Extract for Promoting Hair Growth in Adults With Self-Perceived Thinning Hair: 180-Day Results.
    Ablon G · Journal of cosmetic dermatology · 2026
    Randomized trial60 participantsHair Health forSaw Palmetto
  9. Beyond Minoxidil: Off-Label Therapies for Male Androgenetic Alopecia-A Systematic Review with Network Meta-Analyses.
    Gupta AK; Compton SAH; Liddy A; Talukder M; Wang T; Bamimore MA · Medicina (Kaunas, Lithuania) · 2026
    Meta-analysis50 participants23 studies pooledHair Health forSaw Palmetto
  10. Comparitive effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study.
    Rossi A; Mari E; Scarno M; Garelli V; Maxia C; Scali E; Iorio A; Carlesimo M · International journal of immunopathology and pharmacology · 2013
    Non-randomized trial100 participantsHair Health forSaw Palmetto
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  30. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc