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The Journal

Sourced guides on the ingredients inside a men's hair supplement — saw palmetto, biotin, keratin, collagen, ashwagandha — what they do, at what doses, and where the evidence stops. No hype, no disease claims.*

Nutrafol Men prints an amount for 10 of its 24 ingredients and keeps 2,295 mg inside two group totals; BLOOHAIR MEN publishes all 22, 1,958 mg attributable. Read 24 September 2026.

What Is in Nutrafol Men? Every Ingredient on the Label, and the Amounts It Does Not Print

This article reads one label, line by line: the Supplement Facts panel of Nutrafol Men, the Core formula, as published on nutrafol.c...

Read — 11 min →
40 men's hair supplements read 7-9 September 2026: 15 of 40 give every named ingredient its own figure, 13 on a picture and 2 in text; 22 of 40 use a proprietary blend of 20 mg to 2,295 mg a day; 2 of 40 publish every figure as text
Label audit

Which Hair Supplements Publish the Amount of Each Ingredient? 15 of 40

We read the Supplement Facts panel of 40 hair supplements sold to men in the United States and asked one thing: does every named ing...

Read — 18 min →
Certificate of analysis in 40 men's hair supplements, read 7-9 September 2026: 0 of 40 published one, 11 showed a badge, mark or on-request line with no document, 28 said nothing; 1 of 40 since 10 September 2026, lot 0125269
Certificate of analysis

Which Hair Supplements Publish a Certificate of Analysis? 0 of 40, Then 1

We searched the listing and the whole brand site of 40 hair supplements sold to men for one document: a certificate of analysis. On ...

Read — 16 min →
Saw palmetto in 40 men's hair supplements, read 7-9 September 2026: 25 of 36 print a daily amount, 50 to 600 mg a day, median 250 mg, 11 of 36 keep it inside a proprietary blend
Dataset

How Much Saw Palmetto Is in 40 Men's Hair Supplements? A Label Survey

We read 40 hair supplement labels sold to men in the US between 7 and 9 September 2026. 36 contain saw palmetto; only 25 of those pr...

Read — 22 min →
Does saw palmetto affect a PSA test: CAMUS trial, 369 men, 72 weeks, PSA +0.23 ng/mL on saw palmetto against +0.16 on placebo, p = 0.50; finasteride lowers PSA by about 50%
Correction

Does Saw Palmetto Affect a PSA Test? What the Trials Found, and a Correction

We said saw palmetto may lower PSA and mask prostate screening. Two randomised trials — CAMUS (369 men, up to 960 mg a day) and STEP...

Read — 11 min →
Biotin and blood tests, FDA safety communication 2017-2019: BLOOHAIR MEN 3,000 mcg = 100x the Daily Value, the highest hair supplement label found = 650x, laboratories advise a 72 h pause
Biotin

Biotin and Blood Tests: What the FDA Safety Communication Says

Our own 3,000 mcg of biotin — 100 times the Daily Value — can distort troponin, thyroid and hormone tests. What the FDA safety commu...

Read — 14 min →
Nutrafol Men publishes 10 of 24 amounts and keeps 2,295 mg inside two proprietary blends; BLOOHAIR MEN publishes all 22, 1,958 mg of named actives, at $54.99 a month on repeat delivery. Read 20 September 2026.
Label audit

Nutrafol Alternatives for Men: What Each Label Actually Publishes

Nutrafol Men and seven other hair supplements, read on 5 September 2026 and scored on four things a buyer can verify before paying —...

Read — 12 min →