1 citations
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December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
February 2017 in “Cancer Research” Topical calcitriol appears safe and may reduce hair loss during chemotherapy.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
Saw palmetto extract is effective and safe for treating lower urinary tract symptoms, working as well as certain medications, and works even better in severe cases.
1 citations
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January 2024 in “Pediatric Dermatology” The boy's scurvy symptoms improved with vitamin C treatment, highlighting the need for a balanced diet.
March 1993 in “Neuroscience letters” Biotin is important for metabolism, with specific daily intake recommendations, and deficiency can cause health problems.
Increased calcium in hair may signal early bone health issues in menopausal women.
April 2018 in “Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ” Zinc levels in body fluids can help diagnose zinc deficiency in lambs, with fecal zinc as an early indicator.
27 citations
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October 1945 in “Endocrinology” Synthetic hormone treatment reduces melanin and hair growth in rats.
20 citations
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January 2019 in “Toxicology Reports” Dunaliella salina microalgae is safe to eat and may boost health.
June 2015 in “OhioLink ETD Center (Ohio Library and Information Network)” UVB exposure affects retinoid metabolism, which is important for skin cancer progression and treatment.
1 citations
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May 2007 in “PubMed” Early diagnosis and treatment of haemochromatosis are crucial for reversing organ damage and improving fertility.
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October 1946 in “Experimental biology and medicine” Rats fed soybean oil meal lost hair, but adding inositol, biotin, cystine, or methionine to their diet prevented this and improved growth.
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August 2021 in “Journal of Cosmetic Dermatology” Most patients with telogen effluvium had low iron and vitamin D levels; iron supplements were commonly prescribed.
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June 2022 in “INTERNATIONAL JOURNAL OF ENDOCRINOLOGY (Ukraine)” Vitamin D can help reduce depression in people with hypothyroidism.
25 citations
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April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels show past nutritional status, not environmental exposure.
October 2023 in “RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218” Vitamin D supplementation can improve skin health and appearance.
January 1987 in “Toxicological sciences” SMR-2 and SMR-6 are much more toxic than retinoic acid, causing severe symptoms and organ damage in mice.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Copper levels differ by gender, and young children have higher mineral levels.
1 citations
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January 2023 in “Revista Da Associacao Medica Brasileira” People with seborrheic dermatitis often have lower vitamin D levels.
October 2025 in “Physiologia” Spermidine may improve skin health and hair growth by enhancing cell function.
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July 2013 in “Acta Biochimica Polonica” Chemotherapy reduces splenic melanin in mice.
18 citations
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January 1990 in “Journal of The American Academy of Dermatology” Lower doses of dexamethasone can safely reduce high DHEAS levels in women with androgenic disorders.
October 2022 in “International journal of dermatology and venereology” A woman's sudden hair loss was linked to azathioprine use despite normal enzyme levels, and improved after stopping the drug and starting treatment.
February 2026 in “Aesthetic Cosmetology and Medicine” The treatment improved hair density and condition without side effects.
January 2022 in “International Journal of Medicine in Developing Countries” Many patients with hair loss had low iron and vitamin D levels, but thyroid issues were not common.
The serum with these ingredients may help reduce hair loss and promote growth.
February 1994 in “Neuroscience letters” People need different amounts of biotin based on age and it's important for health, with many foods providing enough.
73 citations
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May 1976 in “JAMA” Long-term parenteral nutrition without zinc can cause severe zinc deficiency.
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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.