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Saw Palmetto

ZHOU
4.4
★ ★ ★ ★ ★
(5712 ratings)
Saw Palmetto 450 mg
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Score69
A convenient, affordable whole-herb and extract blend whose active potency remains largely undefined.
How scoring works
Quantity:100 Capsule(s) • (100 servings)
Goals:
Hair Health

Score 69

A convenient, affordable whole-herb and extract blend whose active potency remains largely undefined.
How scoring works
$18.49($0.18 per serving)
Vitacost
$ 21.49
iHerb
$ 21.49
Amazon
$ 18.49
Pure Formulas
$ 21.49
Report prices

Analysis

The formula combines whole saw palmetto with a smaller berry-extract portion. A single capsule and low serving cost make it easy to use.

Most of the stated amount is not identified as an extract, and neither portion has a quantified fatty-acid profile. Missing extraction details further prevent comparison with characterized lipid extracts.

The capsule fits cost-conscious adults comfortable with a mixed, unstandardized formula. It is not ideal for users seeking predictable active exposure or support beyond androgen-related hair concerns.

Who is it for
  • Cost-conscious saw palmetto users
  • Adults who prefer one capsule
  • People comfortable with mixed whole-herb formulas
Best for
  • Basic daily saw palmetto
  • Simple botanical routines
  • Low-cost supplementation

Pros

  • Large total botanical amount
  • Includes both whole herb and berry extract
  • One-capsule serving
  • Low serving cost

Cons

  • Most material is unstandardized whole herb
  • Fatty-acid content is not quantified
  • Extraction method is unknown
  • No support for non-androgen hair needs

Warnings

  • Saw palmetto is unsuitable during pregnancy or while trying to conceive because it may influence androgen pathways.
  • People using hormone-related medicines or managing hormone-sensitive conditions should review saw palmetto use with the relevant clinician.
  • Saw palmetto may add to bleeding risk with anticoagulant or antiplatelet medicines and should be disclosed before surgery.

Nutrient quality

64 Moderate impact

The focused formula provides both whole herb and a small berry-extract portion. Most of the serving is unstandardized and neither fatty-acid strength nor extraction method is disclosed.

Ingredient transparency

65 Moderate impact

Basic ingredient weights are shown, but active strength is incompletely disclosed. Fatty-acid strength, full directions, and inactive ingredients are not fully supplied.

Customer satisfaction

64 Moderate impact

The supplied satisfaction average is comparatively mixed. A large response volume makes the average relatively stable, but no comment-level evidence was provided.

Value for money

87 Highest impact

Serving cost is very low for the category. Formulation or dose uncertainty weakens the practical return.

Report analysis

Goals

Hair Health
Hair Health
Impact
Moderate effect
C+ Goal FitC- Strength of SupportF CoverageB Formula Quality

Saw palmetto may support hair affected by androgen signaling through a plausible effect on formation of a follicle-active androgen. Human evidence is promising but limited, making the fit situational rather than broad.

Most of the serving is unstandardized whole herb, while the smaller berry extract lacks fatty-acid content and extraction details. The focused formula avoids unrelated ingredients but cannot establish the potency used in clinical research.

Study evidence
Saw Palmetto Supportive 5 studies

Ingredients

IngredientAmount per serving
Saw Palmetto
450 mg
Saw Palmetto berry extract
50 mg
Adults 18–50
Report overview
Saw Palmetto · 450 mg OverallScore46
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyD+ Value

The daily serving provides a large total amount of saw palmetto, but most is not identified as an extract. Neither fatty-acid standardization nor the extraction method is disclosed, so potency and purity remain uncertain. The low serving cost and single-capsule format are practical, though they do not establish extract quality.

View ingredientView products
Loading alternative details
81 Performance

PalmettoGuard

Life Extension
A full 320 mg carbon dioxide extract with beta-sitosterol has a stronger supplied ingredient and hair-health profile than the original. The label does not quantify the fatty-acid percentage, so exact active strength remains uncertain; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
79 Performance

Saw Palmetto Maximum Strength

Swanson
A full 320 mg supercritical carbon dioxide berry extract with pumpkin seed oil has a stronger supplied ingredient and hair-health profile than the original. The label does not quantify the fatty-acid percentage, so exact active strength remains uncertain; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
81 Performance

Saw Palmetto Extract 320 mg

NOW
A full 320 mg fatty-acid extract with pumpkin seed oil has a stronger supplied ingredient and hair-health profile than the original. The label does not quantify the fatty-acid percentage, so exact active strength remains uncertain; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
71 Budget

Saw Palmetto 450 mg

Nature's Bounty
The lower listed serving cost makes 450 mg of whole saw palmetto a more economical choice than the original. Whole-herb amounts are not equivalent to a standardized extract, so active exposure remains uncertain; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
74 Budget

Saw Palmetto 540 mg

Swanson
The lower listed serving cost makes 540 mg of whole saw palmetto a more economical choice than the original. Whole-herb amounts are not equivalent to a standardized extract, so active exposure remains uncertain; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
76 Budget

Saw Palmetto Extract 160 mg

NOW
The lower listed serving cost makes 160 mg of saw palmetto extract a more economical choice than the original. The amount is below a common full daily extract target or lacks quantified active-marker strength; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
79 Value

Saw Palmetto 160 mg

Swanson
A 160 mg supercritical carbon dioxide extract combines a stronger supplied quality-and-value balance than the original. The amount is below a common full daily extract target or lacks quantified active-marker strength; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
76 Value

Saw Palmetto Extract 160 mg

NOW
160 mg of saw palmetto extract combines a stronger supplied quality-and-value balance than the original. The amount is below a common full daily extract target or lacks quantified active-marker strength; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
80 Value

Saw Palmetto 450 mg

21st Century
Whole saw palmetto powder with zinc picolinate combines a stronger supplied quality-and-value balance than the original. Whole-herb amounts are not equivalent to a standardized extract, so active exposure remains uncertain; saw palmetto still has hormone-related activity, so pregnancy and anti-androgen use require caution.
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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