May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
September 2024 in “Cosmoderma” Biotin doesn't help hair growth in healthy people and can cause health risks if overused.
13 citations
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January 2019 in “Journal of the American Academy of Dermatology” Most people using biotin don't see skin improvements, and it may affect lab tests, so doctors shouldn't suggest it without confirming a deficiency.
October 2021 in “Interfaces Científicas” Nutricosmetics for hair treatment often contain biotin, pyridoxine, zinc, and other nutrients, but more research and professional guidance are needed for their use.
July 2022 in “Journal of Dermatology and Dermatologic Surgery” People with chronic hair loss often have lower Vitamin B12 levels.
2 citations
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August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
3 citations
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July 2020 in “Frontiers in Cell and Developmental Biology” Vitexin Compound 1 may help reduce skin aging caused by UVA light.
7 citations
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January 2001 in “PubMed” Vitamin B6 reduced hair loss in women with diffuse alopecia, but calcium pantothenate had no clear positive effect.
January 1954 in “DMW - Deutsche Medizinische Wochenschrift” 1 citations
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February 2026 in “Clinics in Dermatology” Vitamins help hair mainly if you have a deficiency; too much can cause hair loss.
June 1937 in “Science news-letter/Science news letter” Vitamin B can prevent hair from turning gray in rats.
17 citations
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December 1951 in “Experimental biology and medicine” Vitamin B12 and aureomycin can reverse or reduce cortisone's negative effects on body and hair growth in rats.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” The anti-hair loss shampoo effectively promotes hair growth and improves hair quality.
3 citations
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July 1992 in “Clinics in Dermatology” Vitamin D helps regulate calcium levels in the body.
July 2025 in “Journal of Investigative Dermatology” M1 homeopathic complex may help slow melanoma cell growth.
April 2017 in “Journal of dermatology & cosmetology” The marine protein complex, Viviscal®, was found to effectively reduce hair loss and improve hair, skin, and nails quality in women.
74 citations
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July 1979 in “Lancet” Biotin treatment can significantly improve hair loss and motor functions in certain metabolic disorders.
January 2025 in “The International Journal of Gastroenterology and Hepatology Diseases” Vitamin B12 is crucial for hair and nerve health, and its malabsorption can cause hair loss and nerve damage.
February 2023 in “Journal of Cosmetic Dermatology” Combining microneedling with either vitamin D3 or bimatoprost improves hair regrowth more than microneedling alone.
October 2024 in “INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH” Trichoscopy can help diagnose Vitamin B12, Vitamin D3, and ferritin deficiencies without blood tests.
11 citations
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October 1941 in “Experimental Biology and Medicine” PABA helps prevent gray hair and hair loss in mice.
May 2024 in “Endocrine practice” Vitamin A toxicity can cause serious health issues like hypercalcemia and is often overlooked.
4 citations
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December 2020 in “Current sports medicine reports” Athletes usually get enough vitamins and minerals from a healthy diet, and supplements are only needed for those with actual deficiencies.
November 2023 in “Systems Biology in Reproductive Medicine” Vitamin E with oral contraceptives helps reduce PCOS symptoms by affecting hormone levels and stress.
43 citations
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October 1955 in “The journal of nutrition/The Journal of nutrition” Germ-free rats need biotin for growth and have different vitamin metabolism compared to regular rats.
119 citations
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July 2016 in “Annals of the New York Academy of Sciences” Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.
June 2012 in “한국생활과학회지 = Korean journal of human ecology” The supplement reduced hair loss and increased hair thickness without side effects.
6 citations
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October 1980 in “Archives of Dermatology” Vitamin deficiencies, especially biotin and vitamin D, can cause hair loss.
10 citations
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January 2024 in “Dermatology Research and Practice” Taking a collagen and vitamin C supplement improves skin and hair health.