16 citations
,
May 2019 in “Hormone and Metabolic Research” Selenium might help with insulin resistance and cholesterol in PCOS, but more research is needed to confirm its benefits.
14 citations
,
October 2011 L-Lysine may help with various health conditions, but results are inconsistent for herpes treatment and its potential in other therapies is still being explored.
13 citations
,
August 2020 in “Journal of Laparoendoscopic & Advanced Surgical Techniques” Biotin supplements are generally ineffective in preventing hair loss after sleeve gastrectomy.
13 citations
,
December 2012 in “Frontiers in bioscience” Vitamin D and estrogen may help protect heart and kidney health, and maintaining sufficient vitamin D levels could be especially beneficial for African Americans, postmenopausal women, and people with chronic kidney disease.
9 citations
,
September 2019 in “Journal of clinical sleep medicine” Vitamin B12 deficiency can rarely cause excessive daytime sleepiness.
8 citations
,
September 2021 in “Journal of Cosmetic Dermatology” Some diets and supplements might help with skin disorders, but their effectiveness varies and more research is needed.
7 citations
,
January 2023 in “Animals” Supplementary feeding improves cashmere yield, goat weight, and kid birth weight.
5 citations
,
June 2021 in “Pharmacological Reports” Vitamin D may help reduce antibody levels in men with autoimmune thyroiditis and early-onset androgenic alopecia, but has no significant impact on thyroid function.
5 citations
,
January 2020 in “The mental health clinician” Vitamin D supplements may reduce hair-pulling in people with Trichotillomania.
5 citations
,
July 2014 in “Journal of X-Ray Science and Technology” Hair analysis can help diagnose cell ion channel activity and calcium deficiency.
4 citations
,
April 2022 in “Animals” Outdoor living and omega-3 supplements improve rabbit fur quality.
4 citations
,
August 2016 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Using cetirizine on the skin and taking vitamin D can help increase hair growth in children with hair loss from ectodermal dysplasia.
3 citations
,
August 2024 in “Middle East Fertility Society Journal” Vitamin D may help improve hormone levels in women with PCOS.
3 citations
,
August 2024 in “Cosmetics” A botanical extract blend improved skin and scalp health in women working outdoors.
3 citations
,
May 2019 in “Journal of Cosmetic Dermatology” Miliacin with polar lipids helps hair growth and improves hair loss in women.
3 citations
,
July 1969 in “PubMed” Radiation reduced zinc levels, growth, organ weights, and hair pigment in swine.
2 citations
,
August 2022 in “World Journal of Clinical Cases” Albumin and prednisone improved symptoms in a woman with Cronkhite-Canada syndrome, revealing potential genetic causes.
1 citations
,
February 2026 in “Clinics in Dermatology” Vitamins help hair mainly if you have a deficiency; too much can cause hair loss.
1 citations
,
July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
1 citations
,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
Collagen, curcumin, and glutathione can improve skin health in aging women with low estrogen.
April 2026 in “DOAJ (DOAJ: Directory of Open Access Journals)” 600 mg/kg Omega-3 improves skin, hair, feeding, and metabolic health in Bichon Frises.
January 2026 in “Nutrients” Low vitamin D may increase autoimmune thyroid disease risk, but its treatment effects are unclear.
November 2025 in “Journal of Investigative Dermatology” Combination therapy, including JAK inhibitors, effectively regrows hair and reduces severity in Black children with stubborn Alopecia Areata.
October 2025 in “Jurnal Ilmiah Kedokteran dan Kesehatan” Multivitamins can help hair growth and health, especially if you have nutritional deficiencies, but should be used carefully.
July 2025 in “SKIN The Journal of Cutaneous Medicine” Xtressé™ gummies may help increase hair growth in women, especially in early hair loss stages.
March 2025 in “World Journal of Meta-Analysis” Nutritional changes, like fixing nutrient deficiencies and following anti-inflammatory diets, can improve life quality for people with Hashimoto's thyroiditis.
November 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Nitrate can boost hair growth by activating certain pathways and reducing others.
October 2024 in “Journal of the Endocrine Society” Gender-affirming hormone therapy affects metabolism differently based on treatment type.
September 2024 in “Journal of Clinical and Translational Endocrinology Case Reports” Biotin can interfere with lab tests, causing misdiagnosis.