June 1937 in “Science news-letter/Science news letter” Vitamin B can prevent hair from turning gray in rats.
109 citations,
October 2007 in “American Journal of Human Genetics” Giving a special protein to dogs with a certain genetic disease improved their symptoms but didn't help with hair growth.
43 citations,
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.
29 citations,
March 2011 in “The Journal of Nutritional Biochemistry” Eating isoflavone can help mice grow hair by increasing a growth factor.
14 citations,
April 2014 in “Medical Clinics of North America” The document concludes that quick referral and appropriate treatments are crucial for managing common skin conditions and preventing permanent damage.