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NotMyHair

7 Reasons Hair Pills Don't Work

Biotin. Gummies. Saw palmetto. You've been paying to stay bald.

NotMyHair Editorial. Updated November 2026.
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TLDR: We looked for one controlled trial where a supplement brought back a lost hairline or a bald scalp. We found zero. Keep buying bottles, or put real hair on your head today.
1
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The most famous hair vitamin has almost zero proof.

One review went looking for biotin success stories. It found 18 cases. All 18 had an underlying problem. Zero controlled trials in healthy people.1 Your hairline was never short on biotin.

18cases found. All 18 had an underlying cause.1
2
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It can screw up your blood work.

The FDA warns biotin can throw off lab tests, including falsely low troponin, the marker doctors use to spot a heart attack.2 You took a gummy for your hair. Now your heart test can be wrong.

3
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Saw palmetto's best shot lost.

Two years. 100 men. Finasteride nearly doubled it. And saw palmetto worked mainly at the crown.3 Your hairline is at the front.

38% vs 68%of men improved: saw palmetto vs finasteride.3
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4
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Nobody checked that bottle before you bought it.

"FDA does not have the authority to approve dietary supplements before they are marketed."4 That's the FDA talking. "Supports healthy hair" never needed its sign-off.

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Check who paid for the study.

The pumpkin seed oil trial everyone quotes? Funded by the capsule maker.5 In a 2026 review, most trials were industry-backed, and total hair count didn't beat placebo.6

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6
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Not one trial brought back a hairline.

We went looking for a single controlled trial where a supplement restored a lost hairline or a bald scalp. We found zero. You'd be the first.

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Stop paying to stay bald.

Two bottles a month for ten years is $7,200 and the same head. A fitted NotMyHair System puts real hair where yours is gone. No pills. No waiting.

$7,2002 products x $30 a month x 10 years. Illustrative.
References and study notes

Some trials report modest gains in men who are still thinning. Finasteride is a prescription drug, is not a supplement, and works for many men. Talk to a doctor before changing any medication, and tell your doctor if you take biotin before blood work.

  1. Patel DP, Swink SM, Castelo-Soccio L. A Review of the Use of Biotin for Hair Loss. Skin Appendage Disorders. 2017;3(3):166-169. PubMed | Full text
  2. US Food and Drug Administration. Biotin Interference with Troponin Lab Tests: Assays Subject to Biotin Interference. FDA
  3. Rossi A, Mari E, Scarno M, et al. Comparitive effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study. Int J Immunopathol Pharmacol. 2012;25(4):1167-1173. PubMed
  4. US Food and Drug Administration. Questions and Answers on Dietary Supplements. FDA
  5. Cho YH, Lee SY, Jeong DW, et al. Effect of Pumpkin Seed Oil on Hair Growth in Men with Androgenetic Alopecia: A Randomized, Double-Blind, Placebo-Controlled Trial. Evid Based Complement Alternat Med. 2014;2014:549721. Full text
  6. Alanazi R, Alshammari S, Aldossari K, et al. Evaluating the Effectiveness of Commercial Oral Supplements for Hair Growth: A Systematic Review and Meta-Analysis. J Cosmet Dermatol. 2026;25(4):e70817. Full text
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