December 2025 in “Scientific Reports” Gut microbiota and metabolic pathways may play a key role in PCOS development.
September 2025 in “Cosmetics” NMN supplements may improve hair quality and appearance in middle-aged women.
73 citations
,
October 2001 in “Epilepsia” Children taking higher doses of valproic acid had lower biotinidase activity, which may lead to biotin deficiency, but biotin supplements could help.
15 citations
,
May 2006 in “Brain & development” Valproic acid may cause hair loss by reducing biotinidase enzyme activity in rats.
24 citations
,
May 2017 in “PubMed” Biotin supplements for hair improvement are popular without scientific proof of effectiveness.
4 citations
,
October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
25 citations
,
January 2017 in “International Journal of Trichology” Most Indian people with hair loss in the study lacked nutrients, especially iron.
3 citations
,
September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
18 citations
,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
February 2025 in “Animals” Amino acid-complexed trace minerals improve hair quality and activity in senior dogs.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
October 2022 in “JAAD case reports” A man with itchy skin lesions and weight loss was diagnosed with a rare skin condition linked to a pancreatic tumor.
August 2022 in “Nutrients” Nutritional supplements may help improve hair growth in female pattern hair loss.
1 citations
,
May 2023 in “Farmacja Polska” Creatine supplementation is safe and effective for boosting energy and muscle growth, especially in high-intensity sports.
1 citations
,
February 2025 in “International Journal of Molecular Sciences” HMBi supplementation boosts cashmere growth by affecting specific metabolic and signaling pathways in goats.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
August 2025 in “Animal nutrition” α-Ketoglutaric acid improves hair growth, rabbit performance, and antioxidant levels.
1 citations
,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
25 citations
,
December 2005 in “Molecular Genetics and Metabolism” Taking riboflavin and eating less lysine can help some people with a specific genetic disorder avoid brain damage.
14 citations
,
October 2020 in “Natural Products and Bioprospecting” Various treatments, including FDA-approved drugs, natural products, and oral supplements, can help with hair loss, but a patient's medical history and potential allergies should be considered when choosing a treatment.
79 citations
,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
134 citations
,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
98 citations
,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
95 citations
,
February 2018 in “Dermatology and Therapy” Nutraceuticals may improve skin health and protect against aging, but more research is needed on their optimal use and possible health risks.
63 citations
,
May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.
March 2014 in “CRC Press eBooks” Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.
15 citations
,
January 2016 in “Przeglad Menopauzalny” Eating a balanced diet with specific nutrients is important for menopausal women to manage hair loss.
January 2017 in “Springer eBooks” Eating a balanced diet with specific nutrients can help manage menopause symptoms and prevent related health issues.
August 2025 in “International Journal for Vitamin and Nutrition Research” Vitamin B complex improves plastic and cosmetic surgery outcomes by enhancing tissue repair and reducing inflammation.