July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
47 citations
,
September 2023 in “Pharmacological Reports” Vitamins A, B3, C, D, and E can improve skin health and immunity.
8 citations
,
January 2007 in “Hair transplant forum international” Vitamin B12 improves the health and growth of hair micrografts.
3 citations
,
February 1943 in “The American journal of digestive diseases/American journal of digestive diseases” Riboflavin helps heal bed sores, inositol aids skin diseases, and calcium pantothenate doesn't prevent gray hair.
September 2006 in “Baghdad Science Journal” Lack of certain vitamins and minerals can increase hair loss in pregnant and breastfeeding women.
March 2024 in “Portuguese Journal of Dermatology and Venereology” People with hair loss often have lower levels of iron, vitamin D, and vitamin B12.
July 2025 in “Humanitarian and Natural Sciences Journal” Low vitamin D and ferritin levels may contribute to hair loss in women.
11 citations
,
September 2010 in “PubMed” Zinc and biotin supplements are needed after certain surgeries to prevent hair loss and other issues.
7 citations
,
January 2001 in “PubMed” Vitamin B6 reduced hair loss in women with diffuse alopecia, but calcium pantothenate had no clear positive effect.
12 citations
,
January 1987 in “Ophthalmic Paediatrics and Genetics” Early diagnosis and treatment of biotinidase deficiency are crucial to prevent vision problems.
April 2026 in “International Journal of Engineering Research and Science & Technology” The system helps identify vitamin deficiencies early by analyzing symptoms.
October 2020 in “Our Dermatology Online” Skin changes and high vitamin B12 levels can be early signs of cancer.
January 2024 in “International journal of chemical research and development (Print)” Low levels of vitamin B12, iron, ferritin, and zinc are linked to hair loss in Iraqi women.
20 citations
,
July 1990 in “Clinical and experimental dermatology” Taking cyproterone acetate and ethinyl oestradiol for hair loss can lower vitamin B12 levels in women.
89 citations
,
January 2020 in “PubMed” Early detection and biotin treatment improve outcomes for biotinidase deficiency.
7 citations
,
October 2020 in “Dermatology practical & conceptual” Some skin, hair, and nail supplements can be toxic, interact with medications, affect lab tests, and may increase cancer risk.
January 1994 in “SÖFW. Seifen, Öle, Fette, Wachse” Multiactive ingredients like panthenol and B-vitamins improve hair and skin health.
January 2019 in “Kocaeli tıp dergisi” People with chronic hair loss may have a higher chance of Vitamin B12 deficiency.
72 citations
,
October 1988 in “Archives of Disease in Childhood” Biotin treatment improves symptoms of biotinidase deficiency, but some neurological damage may be permanent.
April 2019 in “Journal of the Endocrine Society” An over-the-counter vitamin/mineral supplement improved hair loss and blood sugar control in a woman with non-classic 11-hydroxylase deficiency.
May 2026 in “Preprints.org” The nutrient combination improved hair condition and was safe for women with diffuse hair loss.
8 citations
,
December 2019 in “Molecular genetics and metabolism reports” Some children in Malaysia with symptoms have either profound or partial biotinidase deficiency, and early testing and treatment are important.
9 citations
,
September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
May 2024 in “Journal of ayurveda and integrated medical sciences” Amra Beej Majja Churna may help improve Vitamin B12 levels and symptoms in vegans.
Proper nutrition and vitamins can boost the immune system and overall health in older adults.
September 2024 in “Cosmoderma” Biotin doesn't help hair growth in healthy people and can cause health risks if overused.
July 2022 in “Journal of Dermatology and Dermatologic Surgery” People with chronic hair loss often have lower Vitamin B12 levels.
35 citations
,
April 1937 in “The journal of nutrition/The Journal of nutrition” Flavin prevents cataracts in young rats.
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.
50 citations
,
May 1985 in “The journal of pediatrics/The Journal of pediatrics” Biotin deficiency in patients on total parenteral nutrition can cause serious symptoms but can be treated with biotin supplements.