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learn Biotin

B vitamin, often sold as a hair supplement

Biotin: the darling of hair products. A 2017 review found that every published case of biotin helping hair was in a person with a biotin deficiency (which is rare) or another underlying condition, and no good evidence that it helps healthy people. The FDA warns that biotin can make some blood tests give wrong results.
How much biotin is too much biotin? The NIH Adequate Intake for adults is 30 mcg of biotin a day, and supplements often contain hundreds of times that; no toxic dose has been identified, but the FDA warns that high-dose biotin can distort blood tests including troponin, so tell your doctor and the lab before any test.

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Community Join

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community Biotin pills instead of biotin injections.

in Finasteride/Dutasteride 1 upvotes 1 year ago

Finasteride is recommended for hair loss, while biotin is considered ineffective and unnecessary. Minoxidil is also suggested, and biotin pills are preferred over injections due to cost and absorption concerns.

community Progress since July 2025. Oral min 5mg, fin 1.1mg, biotin 1mg combo pill.

in Progress Pictures 54 upvotes 9 months ago

The user shared progress pictures showing hair improvement since July 2025 using a combo pill containing oral minoxidil 5mg, finasteride 1.1mg, and biotin 1mg, with no noticeable side effects. The user feels more confident and has not experienced any shedding.

community 3 months on 1.2mg fin and 3mg minoxidil 2.5mg biotin, oral pill

in Is this regrowth? 42 upvotes 11 months ago

A 25-year-old user shared their positive experience with hair regrowth after 3 months on 1.2mg finasteride, 3mg minoxidil, and 2.5mg biotin, with no side effects. Other users discussed their experiences with similar treatments, including Hims chewables, and shared optimism about the results.

community Regular middle aged guy, taking 5mg minoxidil, 1.1mg finasteride and biotin combo pill. 3 months progress.

151 upvotes 1 year ago

A 45-year-old man experienced positive hair regrowth using a combination pill of 5mg minoxidil, 1.1mg finasteride, and 1mg biotin over three months. He reported minimal side effects and prefers this treatment over hair transplants.

community About 1/2 months in the first two pictures to today almost 3 months in. With demi roller, moxi foam, fen pills, and biotin gummies

in Is this regrowth? 7 upvotes 2 years ago

The user discusses their hair regrowth progress over almost three months using a dermaroller, Minoxidil foam, finasteride pills, and biotin gummies. They share before and after pictures to show the improvement.

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Research

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research Claves diagnósticas en displasias pilosas II

2 citations , July 2021 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas”

This review discusses hair shaft disorders, noting the lack of specific treatments and recommending general care practices to prevent hair damage, with some improvement possible during puberty or with treatments like minoxidil.

research Biotin

2 citations , January 2019 in “Elsevier eBooks”

This review discusses biotin's role in nutrition and suggests no benefit to supplementing it for hair, nails, and skin in healthy individuals; it reports preliminary findings that high dosages may help some multiple sclerosis patients.

research Quantification of biotin in plasma samples by column switching liquid chromatography – tandem mass spectrometry

January 2021 in “Scandinavian journal of clinical and laboratory investigation”

This study presents a method using liquid chromatography tandem mass spectrometry to quantify biotin in plasma and serum, and explores how high biotin intake can interfere with diagnostic immunoassays that utilize biotin-streptavidin technology, potentially leading to misdiagnosis of endocrine disorders.

research Serum levels of minerals and vitamins in two categories of female alopecia subjects using hair relaxer

1 citations , November 2011 in “Dermatologica Sinica”

This study found a significant decline in serum zinc levels among women of African descent using hair relaxers and experiencing alopecia, with age at first exposure potentially influencing alopecia development.

research Hair Shaft Dysplasias

19 citations , March 1988 in “International Journal of Dermatology”

This paper reviews different types of hair shaft dysplasias and does not report any new clinical findings.

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Clinics

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Hair Loss TreatmentsHair Systems
Biotin Xtreme Hair CareAtlanta, GA · US

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