January 2024 in “Ageing & longevity” Good nutrition and essential trace elements like zinc, selenium, and iron are important for a strong immune system and reducing COVID-19 severity.
August 2023 in “Natural Resources for Human Health” Vegetarians should take B vitamin supplements to avoid health issues.
July 2020 in “Farmacja Polska” People need more education on the safe and proper use of dietary supplements.
January 2018 in “International journal of food and nutrition research” Intermittent iron and nutritional supplements can help reduce hair loss.
45 citations
,
June 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Silicon can improve skin and hair health, but more research is needed.
37 citations
,
June 2018 in “Clinical and Experimental Medicine” People with alopecia areata often have lower vitamin D levels and more inflammation, suggesting vitamin D might be involved in the condition.
36 citations
,
January 2017 in “Journal of Obstetrics and Gynaecology Research” The review found no clear link between vitamin D receptor gene variations and polycystic ovary syndrome.
32 citations
,
December 2017 in “International Journal of Molecular Sciences” Low vitamin D might be linked to certain types of hair loss, and supplements could help, but more research is needed.
11 citations
,
September 1999 in “Biological Trace Element Research” Mineral deficiencies in pregnant women can be improved with proper supplementation.
8 citations
,
September 2024 in “Food Science & Nutrition” β-Sitosterol may help prevent heart disease, cancer, and diabetes, but more human studies are needed.
4 citations
,
October 1998 in “In Practice” The conclusion is to thoroughly test for causes of cat hair loss and treat accordingly, considering medication only after serious conditions are ruled out.
3 citations
,
August 2020 in “Nutrition Journal” Spinach-derived thylakoid supplements plus a low-calorie diet helped obese women with polycystic ovary syndrome lose weight and improve their metabolism.
2 citations
,
November 2025 in “Nutrition Journal” Probiotic supplements may help reduce inflammation and oxidative stress in women with PCOS.
April 2026 in “Al-Kufa University Journal for Biology” Zinc and iron levels drop after bariatric surgery, needing careful monitoring and supplements.
January 2026 in “Annals of Clinical Endocrinology and Metabolism” Restoring NAD⁺ may help with aging and chronic diseases, but more research is needed.
September 2025 in “Clinics and Practice” Collagen with calcium and vitamin D improves bone health, skin elasticity, and reduces hair loss in menopausal women.
February 2022 in “Global academic journal of medical sciences” People with alopecia areata have much lower Vitamin-D levels than healthy individuals.
January 2020 in “Journal of quality in health care & economics” Most women with depression in the study had low vitamin D levels.
October 2015 in “Journal of the East Asian Society of Dietary Life” Curcuma longa L. may help reduce prostate inflammation.
73 citations
,
May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
27 citations
,
January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
27 citations
,
June 2010 in “Journal of the American Academy of Dermatology” Excessive selenium in supplements can cause hair loss and nail issues.
March 2026 in “Food, Nutrition and Health.” Collagen peptides may help reduce skin aging by improving elasticity and hydration.
February 2025 in “Clinical & Experimental Dermatology and Therapies” Combining supplements with minoxidil improves hair growth more than minoxidil alone.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
140 citations
,
January 2021 in “Journal of the International Society of Sports Nutrition” Creatine is safe, not a steroid, and boosts muscle and performance without causing kidney damage or hair loss.
382 citations
,
February 2010 in “Archives of Internal Medicine” A manufacturing error in a dietary supplement caused severe selenium poisoning, affecting many people and highlighting the need for stricter quality control.
81 citations
,
May 2019 in “Frontiers in Endocrinology” Melatonin may improve some hormonal and inflammatory issues in women with PCOS.
22 citations
,
September 2008 in “Brain & development” Biotin supplements increased biotin levels but did not significantly prevent hair loss in rats on valproic acid.
12 citations
,
March 2019 in “Cosmetics” The oral supplement with Pinus pinaster and Grape seed extract, used with sunscreen, effectively and safely improved mild-to-moderate facial melasma.