7 Best Saw Palmetto Supplements (2026): Standardized Extracts at the Studied Dose

At a Glance

• Best Overall NOW Saw Palmetto Extract 160 mg – an extract with at least 85% fatty acids, taken twice a day: the same 160 mg twice-daily schedule used in the largest US trial.Review ↓
• Best 85–95% Standardized Doctor’s Best Saw Palmetto – 320 mg of extract standardized to 85–95% fatty acids in one softgel.Review ↓
• Best Practitioner Brand Pure Encapsulations Saw Palmetto 320 – 320 mg of extract (85% fatty acids) in a softgel made only of gelatin, glycerin and water.Review ↓
• Best Vegan Gaia Herbs Saw Palmetto – a CO2 extract giving 320 mg of fatty acids a day in vegan liquid capsules.Review ↓
• Best Third-Party Verified Flomentum Saw Palmetto – 320 mg of CO2 extract with the USP Verified mark.Review ↓
• Best Organic Zazzee Organic Saw Palmetto – a USDA Organic 20:1 extract in one vegan capsule a day.Review ↓

The Short Answer: Choose a liposterolic extract standardized to 85–95% fatty acids at 320 mg a day: that is the form and dose used in the major trials²³. Our top pick is NOW Saw Palmetto Extract 160 mg, taken twice a day. Be realistic about results: a 2023 Cochrane review of 27 trials found that saw palmetto makes little or no difference to urinary symptoms of an enlarged prostate compared with placebo¹, and the evidence for hair loss is limited⁴⁵.

On this page

1. Do You Actually Need a Saw Palmetto Supplement?
2. Find Your Match
3. Saw Palmetto Supplements Compared
4. The 7 Best Saw Palmetto Supplements, Reviewed
5. Products We Didn’t Recommend
6. Evidence Scorecard
7. How to Take Saw Palmetto
8. Safety, Side Effects & Drug Interactions
9. How to Choose a Saw Palmetto Supplement
10. Frequently Asked Questions
11. Final Verdict

We compared 15 saw palmetto supplements and checked each label’s extract type, fatty acid content and daily dose against the research. Each product gets a BFN Score relative to the others in this guide. Our review process explains how we score.

Do You Actually Need a Saw Palmetto Supplement?

Most men take saw palmetto for frequent urination, weak flow or getting up at night, which are typical symptoms of an enlarged prostate (BPH). The best trials don’t support it for that purpose. In the STEP trial of 225 men, 160 mg twice a day for a year did no better than placebo on symptoms, urine flow or prostate size², and NCCIH concludes it is probably not helpful for BPH⁴. For hair loss, one 2-year study found that 38% of men taking 320 mg a day had more hair, compared with 68% of men taking finasteride⁵.

A saw palmetto supplement may still be worth trying if:

• You have mild urinary symptoms, your doctor has ruled out other causes, and you want to try a well-tolerated option first
• You want a nonprescription option for mild male pattern hair loss and accept the limited evidence
• You can take it consistently for 2 to 3 months before judging it

Who Should Skip It (or Ask First)

• Anyone with new urinary symptoms, blood in the urine or pain: see a doctor first to rule out infection or cancer
• Men taking finasteride, dutasteride or other prostate medicines: ask your doctor before adding saw palmetto
• Pregnant or breastfeeding women: saw palmetto may be unsafe⁴
• People taking any prescription medicine: ask your pharmacist, because herbs can interact with medicines⁴

For a closer look at the research, see saw palmetto for BPH: what the research shows and how long saw palmetto takes to work.

Find Your Match

If you…	Consider	Why
Want the trial form and dose at a low cost	NOW Saw Palmetto 160 mg	160 mg twice a day, at least 85% fatty acids
Prefer one softgel a day	Doctor’s Best Saw Palmetto	320 mg, 85–95% fatty acids
Want the simplest ingredient list	Pure Encapsulations Saw Palmetto 320	Extract plus gelatin capsule only
Avoid gelatin	Gaia Herbs Saw Palmetto	Vegan capsule, CO2 extract
Want independent quality verification	Flomentum Saw Palmetto	USP Verified mark
Want an organic product	Zazzee Organic Saw Palmetto	USDA Organic, one capsule a day
Are a woman with thinning hair	Havasu Saw Palmetto for Women	Saw palmetto plus biotin

Saw Palmetto Supplements Compared

Scroll sideways to see every column →

#	Product	Extract Type	Fatty Acids	Daily Dose	Form	Testing	Cost
1	NOW Saw Palmetto 160 mg	Berry extract	Min. 85%	320 mg (2 softgels)	Softgel (bovine gelatin)	GMP audited by Intertek	$$$
2	Doctor’s Best Saw Palmetto	Berry extract	85–95%	320 mg (1 softgel)	Softgel (gelatin)	“Third-party tested” (lab not named)	$$$
3	Pure Encapsulations Saw Palmetto 320	Berry extract	85%	320 mg (1 softgel)	Softgel (gelatin)	Not shown on listing images	$$$
4	Gaia Herbs Saw Palmetto	Supercritical CO2 extract	160 mg per capsule	376 mg extract (2 capsules)	Vegan liquid capsule	Purity and heavy metal testing claimed	$$$
5	Flomentum Saw Palmetto	Supercritical CO2 extract	Not shown	320 mg (1 softgel)	Softgel	USP Verified mark	$$$
6	Zazzee Organic Saw Palmetto	20:1 organic extract	45%	300 mg (1 capsule)	Vegan capsule	Certified organic	$$$
7	Havasu Saw Palmetto for Women	Berry powder + extract blend	45% (extract part)	1,500 mg blend (2 capsules)	Vegan capsule	Not shown on listing images	$$$

Cost tiers per day at the label dose: $ under $0.30 · $$ $0.30–$1.00 · $$$ over $1.00 (checked November 2026).

The 7 Best Saw Palmetto Supplements, Reviewed

#1Best Overall

1. NOW Saw Palmetto Extract 160 mg

BFN Score9.6/10

$$$Budget120 servings2 softgels per serving

Strongest atValue & practicalityWeakest atPurity & additives

NOW gives 160 mg of saw palmetto berry extract with at least 85% fatty acids per softgel, taken twice a day with food. That matches the extract type and the 160 mg twice-daily schedule used in the STEP trial², at the lowest cost per day on our list.

Check price on Amazon →

Label Reality Check

Active ingredient + form

Saw palmetto berry extract (Serenoa repens), min. 85% fatty acids

Dose per serving

160 mg per softgel; 2 softgels a day = 320 mg

Dose vs. research

Matches the 160 mg twice-daily dose in the STEP trial² and the 320 mg standard dose³

% DV / Upper Limit

No DV or upper limit

Purity testing

GMP audited by Intertek; no product-specific test shown

Other ingredients

Softgel capsule (bovine gelatin, glycerin, water, caramel color), organic extra virgin olive oil

Additives

Minor (caramel color)

Allergens & diet

Not vegetarian (bovine gelatin)

Safety flags

Label advises adults only and asking a doctor if you are pregnant, nursing or taking medication

Clinical Relevance

In the STEP trial, 225 men over 49 with moderate-to-severe BPH symptoms took 160 mg of extract twice a day or placebo for a year. Symptom scores, urine flow and prostate size did not differ between the groups, and side effects were similar². If you want to try saw palmetto anyway, this is the form and dose that was tested.

Strengths

• Trial-matched extract and dosing schedule
• Lowest cost per day on our list
• Small softgels

Limitations

• Two softgels a day
• Contains caramel color
• Not suitable for vegetarians

Practical Details

Take one softgel twice a day with food. Taking it with a meal helps avoid an aftertaste.

Best For / Not For

Best formen who want to try saw palmetto in its studied form at a low cost.

Not forvegetarians, or anyone who wants a once-a-day product.

Buyer Experience

Buyers say it works well, including for night-time urination, and that the softgels are easy to swallow and good value.

Some received softgels stuck together, and a few mention a saw palmetto aftertaste when it is taken without food.

vs. Doctor’s Best Saw Palmetto

Both use an extract with at least 85% fatty acids at 320 mg a day. NOW costs less per day; Doctor’s Best is one softgel instead of two.

Nutritionist’s Note

Store the bottle somewhere cool. Heat can make softgels soften and stick together.

Verdict: The studied form and dose of saw palmetto at the lowest cost per day.

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#2Best 85–95% Standardized

2. Doctor’s Best Saw Palmetto

BFN Score9.5/10

$$$Mid-range60 servings1 softgel per serving

Strongest atPurity & additivesWeakest atQuality & testing

Doctor’s Best gives 320 mg of saw palmetto berry extract (Prosterol), standardized to 85–95% total fatty acids, in a single softgel. The only other ingredients are the gelatin, glycerin and water of the softgel.

Check price on Amazon →

Label Reality Check

Active ingredient + form

Saw palmetto berry extract (Prosterol), standardized to 85–95% total fatty acids

Dose per serving

320 mg

Dose vs. research

Matches the 320 mg standard daily dose³

% DV / Upper Limit

No DV or upper limit

Purity testing

“Third-party tested for purity and potency” (lab not named)

Other ingredients

Softgel capsule (gelatin, glycerin, purified water)

Additives

Clean

Allergens & diet

Non-GMO, gluten-free, soy-free; not vegetarian (gelatin)

Safety flags

None on the label

Clinical Relevance

320 mg a day of a standardized extract was the starting dose in the CAMUS trial of 369 men. After 72 weeks, including increases to 640 mg and then 960 mg, symptom scores improved by 2.2 points with saw palmetto and 3.0 points with placebo³.

Strengths

• Tightest stated fatty acid range (85–95%)
• One softgel a day
• Clean ingredient list

Limitations

• Testing lab not named
• Costs more per day than NOW
• Not vegetarian

Practical Details

Take one softgel a day, with or without food.

Best For / Not For

Best formen who want a single daily softgel of a standardized extract.

Not forvegetarians.

Buyer Experience

Buyers report fewer bathroom trips at night, better sleep and good value.

Some report stomach upset, and several mention issues with ease of use.

vs. Pure Encapsulations Saw Palmetto 320

Both are clean 320 mg softgels with at least 85% fatty acids. Doctor’s Best states a tighter range and costs much less per day.

Nutritionist’s Note

If you are also using finasteride or another prostate medicine, tell your doctor before adding saw palmetto.

Verdict: A clean, once-daily standardized extract at a fair price.

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#3Best Practitioner Brand

3. Pure Encapsulations Saw Palmetto 320

BFN Score9.4/10

$$$Mid-range120 servings1 softgel per serving

Strongest atPurity & additivesWeakest atValue & practicality

Pure Encapsulations gives 320 mg of saw palmetto extract standardized to 85% total fatty acids in each softgel. It’s a practitioner brand, and its listing says its products are made without common allergens, artificial colors or magnesium stearate.

Check price on Amazon →

Label Reality Check

Active ingredient + form

Saw palmetto (Serenoa repens) extract (fruit), standardized to 85% total fatty acids

Dose per serving

320 mg

Dose vs. research

Matches the 320 mg standard daily dose³

% DV / Upper Limit

No DV or upper limit

Purity testing

Not shown on the listing images we checked

Other ingredients

Gelatin capsule (gelatin, glycerin, water)

Additives

Clean

Allergens & diet

Gluten-free, non-GMO; not vegetarian (gelatin)

Safety flags

None on the label

Clinical Relevance

The label allows 1 to 2 softgels a day. The higher dose isn’t supported: in the CAMUS trial, raising the dose from 320 mg to 960 mg a day did not improve symptoms more than placebo³.

Strengths

• Simplest ingredient list on our list
• Practitioner brand
• 120 softgels per bottle

Limitations

• Highest cost per day among the softgels
• Testing details not shown on the listing
• Not vegetarian

Practical Details

Take one softgel a day between meals, as the label suggests.

Best For / Not For

Best forpeople with allergies or sensitivities who want the fewest ingredients.

Not forbudget buyers.

Buyer Experience

Buyers praise its quality and the brand, and many say it helps with prostate symptoms.

The price is the most common complaint, and some mention a sour smell, which is typical of saw palmetto extract.

vs. NOW Saw Palmetto 160 mg

Same 320 mg daily dose of an 85% extract. Pure has no colorings and is one softgel a day; NOW costs far less.

Nutritionist’s Note

A sour or strong smell is normal for saw palmetto extract. A softgel that tastes rancid or has changed color should be thrown away.

Verdict: The cleanest 320 mg softgel, if you’re willing to pay for the brand.

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#4Best Vegan

4. Gaia Herbs Saw Palmetto

BFN Score9.1/10

$$$Premium30 servings2 capsules per serving

Strongest atPurity & additivesWeakest atValue & practicality

Gaia uses a supercritical CO2 extract of saw palmetto berries in a vegan liquid capsule. Each capsule gives 188 mg of extract providing 160 mg of fatty acids, so the suggested two capsules a day give 320 mg of fatty acids.

Check price on Amazon →

Label Reality Check

Active ingredient + form

Saw palmetto berry supercritical CO2 extract

Dose per serving

188 mg extract (160 mg fatty acids) per capsule; 2 capsules a day = 376 mg extract (320 mg fatty acids)

Dose vs. research

Provides about the fatty acid content of 320 mg of an 85–95% extract³

% DV / Upper Limit

No DV or upper limit

Purity testing

Brand states testing for purity, potency and heavy metals; no certificate shown

Other ingredients

Sunflower seed lecithin (350 mg), vegan capsule (hypromellose)

Additives

Clean

Allergens & diet

Vegan; gluten-, dairy- and soy-free

Safety flags

None on the label

Clinical Relevance

Gaia’s extract isn’t a branded trial extract, but it states its fatty acid content per capsule, which lets you compare it directly with the standardized extracts used in the trials²³.

Strengths

• Only fully vegan liquid capsule on our list
• Fatty acid content stated in milligrams
• No fillers beyond sunflower lecithin

Limitations

• Highest cost per day on our list
• 60 capsules last only 30 days at the label dose

Practical Details

Take one capsule twice a day, as the label suggests.

Best For / Not For

Best forvegans and vegetarians who want an extract rather than berry powder.

Not forbudget buyers.

Buyer Experience

Buyers trust the brand’s quality, and some women say they use it for hair.

Price is the most common complaint.

vs. Zazzee Organic Saw Palmetto

Both are vegan. Gaia provides far more fatty acids per day; Zazzee is organic and costs much less.

Nutritionist’s Note

Sunflower lecithin makes Gaia a good choice for people who avoid soy lecithin.

Verdict: The best vegan option for getting a trial-level amount of fatty acids, at a premium price.

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#5Best Third-Party Verified

5. Flomentum Saw Palmetto

BFN Score9.0/10

$$$Mid-range90 servings1 softgel per serving

Strongest atQuality & testingWeakest atPurity & additives

Flomentum gives 320 mg of saw palmetto oil extract made by supercritical CO2 extraction, according to the listing. It carries the USP Verified mark, which means USP checked that the product contains what the label says and meets its purity standards. Few saw palmetto supplements have it.

Check price on Amazon →

Label Reality Check

Active ingredient + form

Saw palmetto oil extract, supercritical CO2 (per listing)

Dose per serving

320 mg (per listing)

Dose vs. research

Matches the 320 mg standard daily dose³

% DV / Upper Limit

No DV or upper limit

Purity testing

USP Verified mark

Other ingredients

Not shown on the listing images we checked

Additives

Not assessed

Allergens & diet

Not assessed

Safety flags

Listing claims it is “clinically proven,” which the major trials don’t support¹²³

Clinical Relevance

Flomentum’s 320 mg dose matches the trials, but its marketing goes beyond the evidence. The Cochrane review found little to no difference from placebo in urinary symptoms at 3 to 6 months or after a year¹.

Strengths

• USP Verified: independent check of what’s in the bottle
• Once-daily dose

Limitations

• Supplement Facts and fatty acid percentage not shown on the listing
• Marketing claims are stronger than the evidence
• More mixed buyer feedback than our other picks

Practical Details

Take one softgel a day with food.

Best For / Not For

Best forpeople who want independent verification of quality.

Not foranyone who wants to check the full ingredient list before buying.

Buyer Experience

Buyers value the USP verification and easy-to-swallow softgels, and some report fewer trips to the bathroom at night and a stronger stream.

Some noticed no change, and a few report leaking softgels.

vs. Doctor’s Best Saw Palmetto

Flomentum has the stronger quality verification; Doctor’s Best shows its full label and costs less.

Nutritionist’s Note

You can check any USP Verified claim on USP’s website before buying.

Verdict: The best pick if independent verification matters most to you, despite a missing label on the listing.

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#6Best Organic

6. Zazzee Organic Saw Palmetto

BFN Score8.8/10

$$$Budget120 servings1 capsule per serving

Strongest atValue & practicalityWeakest atEvidence fit

Zazzee gives 300 mg of a USDA Organic 20:1 saw palmetto extract with 45% fatty acids in one vegan capsule. That is about 135 mg of fatty acids a day, well below the roughly 270–300 mg in 320 mg of an 85–95% extract.

Check price on Amazon →

Label Reality Check

Active ingredient + form

Organic saw palmetto 20:1 extract (fruit), 45% fatty acids

Dose per serving

300 mg

Dose vs. research

Fewer fatty acids than the 320 mg, 85–95% extracts used in trials²³

% DV / Upper Limit

No DV or upper limit

Purity testing

Certified organic; no product test shown

Other ingredients

Organic pullulan (vegetarian capsule), organic bamboo silica, organic rice hulls

Additives

Clean

Allergens & diet

Vegan; made without wheat, gluten, soy, milk, egg, fish, shellfish, tree nuts or sesame

Safety flags

Label advises against use in pregnancy

Clinical Relevance

The trials used extracts with at least 85% fatty acids²³. A 45% extract hasn’t been studied in the same way. Note that the product title says 40% fatty acids, while the Supplement Facts panel says 45%.

Strengths

• USDA Organic and vegan
• One capsule a day; a bottle lasts 4 months
• Low cost per day

Limitations

• About half the fatty acids of the trial extracts
• Title and label give different fatty acid percentages

Practical Details

Take one capsule a day, preferably with food.

Best For / Not For

Best forpeople who want an organic, vegan product.

Not foranyone who wants to match the trial extracts.

Buyer Experience

Buyers report better urinary flow, fewer trips at night, easy-to-swallow capsules and good value.

Complaints are few.

vs. Gaia Herbs Saw Palmetto

Both are vegan. Zazzee is organic and much cheaper; Gaia gives more than twice the fatty acids per day.

Nutritionist’s Note

If you choose Zazzee, judge it after 2 to 3 months. Taking extra capsules isn’t recommended on the label.

Verdict: A low-cost organic and vegan option with a weaker extract.

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#7Best for Women

7. Havasu Saw Palmetto for Women

BFN Score8.2/10

$$$Mid-range60 servings2 capsules per serving

Strongest atValue & practicalityWeakest atEvidence fit

Havasu combines a 1,500 mg saw palmetto blend (berry powder plus a 45% fatty acid extract) with 5,000 mcg of biotin in two vegan capsules. It’s aimed at women with thinning hair. The label doesn’t say how much of the blend is extract.

Check price on Amazon →

Label Reality Check

Active ingredient + form

Saw palmetto blend (powder and extract, 45% fatty acids), biotin

Dose per serving

1,500 mg blend; 5,000 mcg biotin

Dose vs. research

Split between powder and extract not stated; saw palmetto has not been well studied in women

% DV / Upper Limit

Biotin 16,667% DV (no upper limit set)

Purity testing

Not shown on the listing images we checked

Other ingredients

Hypromellose (capsule), magnesium stearate, silicon dioxide

Additives

Minor

Allergens & diet

Vegan; free of major allergens

Safety flags

Label advises stopping 2 weeks before blood tests (biotin can distort some lab results⁷); avoid in pregnancy⁴

Clinical Relevance

Hair studies of saw palmetto were done in men⁵, and NCCIH calls the evidence too limited to draw conclusions⁴. There’s little evidence that extra biotin helps hair unless you are deficient, and high doses can interfere with lab tests, including thyroid and heart tests⁷.

Strengths

• Only women’s formula on our list
• Clear lab-test warning on the label
• Vegan

Limitations

• Blend doesn’t show how much is extract
• Very high biotin dose
• Little research in women

Practical Details

Take two capsules a day with a meal. Tell your doctor you take biotin before any blood test.

Best For / Not For

Best forwomen with mild hair shedding who want to try saw palmetto.

Not forwomen who are pregnant, breastfeeding or trying to conceive.

Buyer Experience

Buyers report thicker hair, stronger nails and easy-to-swallow capsules.

Opinions on value and side effects are mixed, and some report headaches or a strong smell.

vs. Gaia Herbs Saw Palmetto

Gaia is a stronger, cleaner extract without biotin. Havasu adds biotin and is designed for women.

Nutritionist’s Note

Hair shedding in women has many causes, including low iron and thyroid problems. Ask your doctor to check these before trying a supplement.

Verdict: A women’s hair formula with a vague blend and a lab-test warning to take seriously.

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Products We Didn’t Recommend

• Nutricost Organic Saw Palmetto 1,000 mg: the listing calls it an extract, but the Supplement Facts panel lists saw palmetto powder.
• Havasu Saw Palmetto for Men and Nature’s Craft Extra Strength: both use 500 mg blends or powders without a clear standardized extract dose.

Products We Considered

• Swanson Saw Palmetto 320 mg: a 320 mg CO2 extract (85% fatty acids), but it adds pumpkin seed oil and has far fewer buyer reviews than our picks.
• Nature’s Craft Saw Palmetto for Women: 500 mg of berry powder with maca, bamboo silica, biotin and zinc.
• Designs for Health and Life Extension PalmettoGuard: multi-ingredient prostate formulas.
• Triquetra Saw Palmetto Extract: a standardized extract we already cover in our pumpkin seed oil with saw palmetto guide.
• Nature’s Bounty Saw Palmetto 450 mg: whole berry powder rather than an extract.

Evidence Scorecard

Use	What the research shows	Evidence level
Urinary symptoms of BPH	Little to no difference vs. placebo at 3–6 and 12–17 months1	High certainty, no benefit1
Urine flow and prostate size	No difference vs. placebo after 1 year2	High (large trials)
Higher doses (up to 960 mg)	No better than placebo over 72 weeks3	High (large trial)
Male pattern hair loss	38% improved vs. 68% with finasteride over 2 years5	Low (one open-label study)
Saw palmetto oil, 320 mg (small trial)	Symptom scores improved from baseline by 3 months; urine flow improved by 12 months, in 47 Korean men6	Low (small trial)
Hair loss in women	No good trials	Very low
Safety	Mild, infrequent side effects14	Moderate to high

How to Take Saw Palmetto

Question	Answer
Studied dose	320 mg a day of an 85–95% fatty acid extract, often split into 160 mg twice a day23
Best time	With food, to avoid stomach upset or aftertaste
How long to try	2 to 3 months; stop if you notice no change
Higher dose?	No benefit seen up to 960 mg a day3
Whole berry powder?	Contains far fewer fatty acids per milligram than an extract

Safety, Side Effects & Drug Interactions

Issue	What to know	What to do
Common side effects	Stomach upset, dizziness, headache; mild and infrequent4	Take with food
Pregnancy and breastfeeding	May be unsafe4	Avoid
Prostate medicines (finasteride, dutasteride)	Not well studied together	Ask your doctor first
Other medicines	Herbs can interact with medicines4	Ask your pharmacist
Biotin-containing formulas	Biotin can distort some lab tests7	Stop as directed before blood tests
New urinary symptoms	Can signal infection or cancer	See a doctor before self-treating

How to Choose a Saw Palmetto Supplement

Form and Absorption

Look for “extract” and a fatty acid percentage on the Supplement Facts panel. The trials used extracts concentrated to at least 85% fatty acids²³. “Saw palmetto berries” or “powder” means ground fruit.

Dose and % DV

There is no DV. Aim for 320 mg a day of an 85–95% fatty acid extract, or about 270–300 mg of fatty acids.

Purity Testing

A USP Verified or NSF Certified mark means an independent lab checked the product. Few saw palmetto supplements have one.

Additives and Allergens

Most softgels use gelatin. Vegans should look for hypromellose or pullulan capsules.

Other Nutrients

Single-ingredient products make it easier to tell what helps. Biotin in “hair” formulas can interfere with lab tests⁷.

Cost per Effective Dose

Compare cost per 320 mg of standardized extract, not per capsule. A cheap 1,000 mg powder capsule can contain fewer fatty acids than a 160 mg extract softgel.

Important: These supplements are not intended to diagnose, treat, cure, or prevent any disease. Results vary by individual. If you have a health condition or take medications, check with your doctor before adding any new supplement to your routine.

For related reading, see saw palmetto for hair loss, the best pumpkin seed oil supplements and the best prostate supplements.

Frequently Asked Questions

Final Verdict

The best saw palmetto supplement is NOW Saw Palmetto Extract 160 mg: the standardized extract and twice-daily dose used in the trials, at the lowest cost per day. Doctor’s Best is the best once-daily softgel, and Gaia Herbs is the best vegan choice. Keep your expectations modest, and see a doctor about any new urinary symptoms.

Sources & History7 sources · updated November 12, 2026

References

1. Franco JVA et al. Serenoa repens for the treatment of lower urinary tract symptoms due to benign prostatic enlargement — Cochrane Database of Systematic Reviews, 2023
2. Bent S et al. Saw palmetto for benign prostatic hyperplasia (STEP) — New England Journal of Medicine, 2006
3. Barry MJ et al. Effect of increasing doses of saw palmetto extract on lower urinary tract symptoms: a randomized trial (CAMUS) — JAMA, 2011
4. National Center for Complementary and Integrative Health. Saw Palmetto
5. Rossi A et al. Comparative effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study — International Journal of Immunopathology and Pharmacology, 2012
6. Hong H et al. Effects of pumpkin seed oil and saw palmetto oil in Korean men with symptomatic benign prostatic hyperplasia — Nutrition Research and Practice, 2009
7. NIH Office of Dietary Supplements. Biotin — Fact Sheet for Health Professionals

Update history

• November 12, 2026Rebuilt the guide around extract type and studied dose after comparing 15 products; new #1 (NOW Saw Palmetto Extract 160 mg); added Doctor’s Best, Pure Encapsulations, Gaia Herbs and Flomentum; removed powder and blend products; added an evidence scorecard, dosing table and safety table.