January 2018 in “Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment” Researchers developed a precise method to detect illegal hair-growth drugs in dietary supplements.
April 2017 in “Journal of Investigative Dermatology” Eating a lot of fat increases PKCβ and inflammation in skin fat cells, which affects skin and hair health.
April 2017 in “The FASEB Journal” Eating more vitamin A changes hair growth-related proteins in mice, affecting hair cycle stages.
April 2017 in “The FASEB journal” Low selenium levels worsen health but increase lifespan in mice.
November 2016 in “Zoo biology” Adding more vegetables and fruits improved capybaras' coat quality and health.
June 2015 in “Journal of the turkish academy of dermatology” Eating the right foods is important for skin health and can help treat some skin conditions.
December 2014 in “Sociedad (University of Buenos Aires)” A hair loss supplement with green tea caused liver damage in three people.
January 2005 in “Digital Access to Scholarship at Harvard (DASH) (Harvard University)” The FDA struggles to regulate hair loss supplements due to a law allowing unproven claims.
March 1996 in “Proceedings of the British Society of Animal Science” Increasing dietary zinc improves dog coat quality.
March 1996 in “Proceedings of the British Society of Animal Science” Increasing dietary zinc improves dogs' hair growth and coat condition.
Eating less calories, focusing on complex carbs, and reducing fats can help manage type II diabetes.
January 1992 in “Research Online (University of Wollongong)” Dietary linoleic acid may help reduce hyperthyroidism effects.
May 2020 in “Current developments in nutrition” Low dose finasteride doesn't change lipid profile or metabolic parameters in mice.
August 2014 in “PLOS ONE” Hair loss is linked to eating less soy, having lower blood vanadium, and a specific genetic variation in Taiwanese communities.
35 citations
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January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
29 citations
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December 1989 in “The journal of nutrition/The Journal of nutrition” Mice's intestinal uptake of pantothenic acid is not affected by dietary levels.
14 citations
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January 2020 in “Dermatology Online Journal” Some dietary supplements, like vitamins B6/B12, iodine, whey protein, and muscle-building products, can cause or worsen acne.
8 citations
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April 2020 in “European Journal of Nutrition” Newborns' hair shows how much caffeine their mothers drank during pregnancy.
1 citations
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May 2017 in “Asian journal of medical sciences” The dietary supplement significantly improved skin, nails, and hair in older adults.
1 citations
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December 2015 in “Endocrinology” Decanoic acid may help treat PCOS by reducing androgen levels and improving glucose sensitivity.
August 2025 in “Journal of Cosmetic Dermatology” The dietary supplement AGA-P improves the effectiveness of hair loss treatments.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” March 1986 in “Fed. Proc., Fed. Am. Soc. Exp. Biol.; (United States)” Marginal dietary zinc intake in rats led to weight loss and hair issues, but no significant changes in blood fractions.
55 citations
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February 1990 in “Journal of Nutrition” Selenium in hair and nails is higher with L-selenomethionine and low methionine.
27 citations
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January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
27 citations
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June 2010 in “Journal of the American Academy of Dermatology” Excessive selenium in supplements can cause hair loss and nail issues.
23 citations
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January 1991 in “Journal of Animal Science” Biotin supplementation in sow diets is unnecessary.
10 citations
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January 2025 in “Frontiers in Nutrition” A high dietary antioxidant index may lower the risk of various diseases, but more research is needed.
8 citations
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September 2024 in “Food Science & Nutrition” β-Sitosterol may help prevent heart disease, cancer, and diabetes, but more human studies are needed.
6 citations
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September 1957 in “Poultry Science” Adding copper helps turkey poults grow better when molybdenum is present.