December 2025 in “International Journal of Clinical Medical Research” Diet and gut health can improve skin, hair, and nails.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
3 citations
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August 2022 in “JAAD international” Taking a daily multivitamin may be enough to promote hair growth in people with alopecia.
10 citations
,
August 2021 in “Journal of Cosmetic Dermatology” Most patients with telogen effluvium had low iron and vitamin D levels; iron supplements were commonly prescribed.
5 citations
,
January 2022 in “Pesquisa Veterinária Brasileira” Copper deficiency in goats and kids caused health and reproductive problems due to excess iron intake.
August 2023 in “Repository of the University of Primorsk (University of Primorska)” A Western diet may increase acne risk, while a Mediterranean diet and certain supplements can help reduce it.
2 citations
,
July 2022 in “Pediatric dermatology” A toddler with a rash and developmental delays improved after treatment for severe malnutrition caused by a diet lacking in protein.
138 citations
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July 2015 in “Clinical, Cosmetic and Investigational Dermatology” Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.
Nutrition plays a key role in managing skin disorders, with specific dietary changes helping improve conditions like acne, dermatitis, psoriasis, alopecia, and skin cancer.
Diet and supplements can significantly affect acne, with some foods and nutrients reducing and others worsening it.
46 citations
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December 2010 in “PubMed” Tocotrienol supplements significantly increased hair growth in people with hair loss.
1 citations
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November 2022 in “World Family Medicine Journal /Middle East Journal of Family Medicine” People in Jeddah know about Vitamin D and its sources but are unclear on how much they need daily, and while many women take supplements, attitudes towards increasing Vitamin D levels vary.
June 2022 in “International Journal of Health Sciences (IJHS)” Micronutrient supplements significantly improved PCOS symptoms in women.
Restolin Hair Supplement may help hair growth but lacks FDA approval and clinical trial evidence.
67 citations
,
January 2007 in “Environmental health perspectives” A woman's health issues were caused by arsenic poisoning from kelp supplements.
32 citations
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July 2018 in “Scientific Reports” Essential-oils-cobalt improves goat growth and product quality.
25 citations
,
August 2016 in “Journal of Cosmetic Dermatology” The marine complex supplement significantly improved hair growth in men with thinning hair without adverse effects.
2 citations
,
June 2023 in “Journal of clinical medicine” Soy supplements improve various skin conditions and aging signs, with topical use boosting skin barrier function.
1 citations
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June 2019 in “Current Developments in Nutrition” S-equol supplements significantly reduced menopausal symptoms in most women.
1 citations
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May 2019 in “Annals of Medicine” Many food supplements in Portugal have mineral doses above safe levels, posing health risks.
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.
September 2025 in “Clinical Cosmetic and Investigational Dermatology” Kūlaris improved quality of life for acne sufferers without side effects.
Supplements improve health, appearance, and athletic performance.
March 2024 in “Indian Journal of Dermatology” Iron supplements may improve hair loss satisfaction even if initial iron levels are normal.
5 citations
,
January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
January 2026 in “http://isrctn.com/” The supplement may improve hair growth and quality in women with mild to moderate hair loss.
10 citations
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January 2024 in “Dermatology Research and Practice” Taking a collagen and vitamin C supplement improves skin and hair health.
1 citations
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March 2014 in “Senses and Sciences” A supplement with Serenoa repens improved hair loss in a patient.
May 2026 in “Journal of Cosmetic Dermatology” The supplement improved hair growth and reduced hair loss effectively.
Microneedling for hair loss may cause skin cancer.