May 2024 in “Journal of ayurveda and integrated medical sciences” In this study, a clinical trial on a vegan patient with Vitamin B12 deficiency showed that administering Amra Beej Majja Churna over two months increased serum Vitamin B12 levels and alleviated symptoms like hair loss and tingling sensations in the lower limbs.
November 2023 in “Open Repository of the University of Porto (University of Porto)” This summary of a pharmacy internship reports on expanding scientific knowledge through diverse activities, including exploring diabetes medications for obesity treatment and discussing the role of nutritional supplements in geriatrics.
This case report describes a 3-month-old infant with acquired acrodermatitis enteropathica who was successfully treated with zinc supplementation over 3 weeks.
April 2026 in “Al-Kufa University Journal for Biology” This pilot study observed that post-bariatric surgery, both zinc and iron deficiencies increased among Iraqi patients, underscoring the importance of lifelong nutritional monitoring and targeted supplementation to address these issues and prevent related complications.
207 citations
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April 2006 in “Journal of The American Academy of Dermatology” This review discusses the complexities of diagnosing and treating iron deficiency related to nutritional anemia and hair loss, concluding that routine screening and supplementation for hair loss are not yet supported by sufficient evidence.
73 citations
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May 1976 in “JAMA” This case report associates severe zinc deficiency with long-term total parenteral nutrition, suggesting the need for trace element supplementation in such nutritional management.
4 citations
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October 2024 in “Journal of Cosmetic Dermatology” This study found that taking oral FKH supplements for 90 days improved facial skin, hair, and nail appearance, and highlighted the role of free L-amino acids as potentially beneficial beyond their protein-building functions.
2 citations
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November 2025 in “Nutrition Journal” This study found that an 8-week supplementation with specific probiotic strains improved hormonal markers and oxidative stress while decreasing inflammation in women with PCOS, although clinical symptoms like acne and hirsutism showed no significant improvement compared to the placebo group.
1 citations
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November 2024 in “AME Medical Journal” In this case study, scurvy was diagnosed in a middle-aged man on hemodialysis with food insecurity and undetectable vitamin C levels, highlighting the diverse risk factors and persistent challenges in managing vitamin C deficiency among patients with complex medical and social issues.
January 2026 in “Annals of Clinical Endocrinology and Metabolism” This narrative review summarizes evidence on NAD⁺ biosynthesis and turnover, highlighting that while NAD⁺ precursors like NR and NMN consistently boost NAD⁺ levels in preclinical and human studies, clinical outcome results remain varied, indicating a need for more standardized human trials.
December 2024 in “Journal of the International Society of Sports Nutrition” In this narrative review, researchers examined common misconceptions and questions about creatine monohydrate, addressing issues such as its potential effects on muscle benefits without exercise, interactions with caffeine, inflammatory properties, safety during pregnancy, and effects on adolescents, among others.
Vitamin D is crucial for skin health and managing skin diseases.
January 2020 in “Journal of quality in health care & economics” This study found that all participating depressed women in the sample had vitamin D deficiency or insufficiency, suggesting a possible association between vitamin D levels and depression among women in Iraq.
19 citations
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September 2010 in “The American journal of pathology” This study demonstrated that elevated glucocorticoid levels in transgenic mice led to pancreatic exocrine cells transforming into hepatocyte-like cells, resulting in pancreatic dysfunction.
432 citations
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April 2014 in “Nature communications” This study found that the maternal nutritional status during early pregnancy significantly influenced epigenetic changes in offspring, as maternal diet altered DNA methylation at human metastable epialleles.
81 citations
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May 2019 in “Frontiers in Endocrinology” This study found that administering melatonin for 12 weeks to women with PCOS significantly reduced hirsutism, testosterone, and inflammation markers, while enhancing antioxidant levels compared to a placebo.
March 2026 in “Food, Nutrition and Health.” This review highlights research reporting that oral collagen peptide supplements are effective in enhancing skin elasticity, hydration, and reducing wrinkles, although results vary across studies. Oral supplementation was generally well-tolerated, and further investigation is needed to optimize formulations and explore topical application challenges.
November 2025 in “Bioscientia Medicina Journal of Biomedicine and Translational Research” In this case report, researchers describe a 44-year-old woman with refractory patch alopecia areata achieving complete hair regrowth using a multi-modal approach of systemic and topical cholecalciferol with microneedling, although systemic vitamin D repletion remains a significant confounder.
March 2024 in “Animal nutrition” This study found that sows consuming beet pulp had higher feed intake and improved litter performance during heat stress, while a high-fiber diet enhanced insulin levels, suggesting dietary fiber's importance for reproductive and metabolic health in sows.
February 2024 in “Animals” This study found that supplementing pregnant Hanshan white cashmere goats' diets with selenium yeast led to higher birth weights, improved cashmere quality and yield, and enhanced hair follicle development in their offspring, possibly through increased antioxidant capacity.
March 2021 in “World rabbit science” This study found that taurine dietary supplementation could reduce lipid metabolism, enhance antioxidant capacity, and improve hormone levels in Angora rabbits, with 0.2% taurine increasing wool production.
45 citations
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November 2024 in “International Journal of Molecular Sciences” This review discusses how various nutrients, such as flavonoids, probiotics, and omega-3 fatty acids, may support brain health by targeting stress-related pathways, potentially offering protective effects against neurodegenerative and psychiatric disorders through their roles in oxidative stress reduction and neuroinflammation regulation.
14 citations
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September 2023 in “Frontiers in Nutrition” This source observed that while supplementation with pro-, pre-, and synbiotics showed some beneficial effects for PCOS-related outcomes, the evidence quality was deemed low to very low, highlighting the need for further well-designed randomized controlled trials in women with PCOS.
September 2025 in “Clinics and Practice” This study found that six-month supplementation with fish-derived collagen peptides, calcium, and vitamin D3 improved skin hydration and elasticity and reduced hair loss in menopausal women, with collagen playing a dominant role in enhancing skin elasticity.
May 2025 in “Clinical Cosmetic and Investigational Dermatology” In this clinical study, the researchers found that a standardized wheat polar lipid complex, in both oil and powder form, significantly reduced hair shedding and improved hair growth in 99 women with acute telogen effluvium over 56 to 84 days.
April 2025 in “Journal of Controversies in Obstetrics & Gynecology and Pediatrics” This study found that vitamin D supplementation significantly improved clinical pregnancy rates in women with polycystic ovary syndrome treated at a Turkish infertility clinic, though it did not affect live birth or miscarriage rates.
February 2025 in “Clinical & Experimental Dermatology and Therapies” In this randomized trial, oral supplementation with Serenoa repens, pumpkin seed extracts, and cysteine significantly improved the clinical effectiveness of topical 5% minoxidil lotion for treating androgenic alopecia in men and women compared to minoxidil alone, with both treatments being well tolerated.
November 2023 in “British journal of nutrition” This study found that curcumin supplementation in adults significantly increased serum adiponectin levels and decreased leptin levels, based on a meta-analysis of 13 randomized controlled trials.
January 2022 in “Medical research archives” This article reviews the potential role of vitamin D supplementation as an adjunct to alemtuzumab therapy in multiple sclerosis management, noting its possible benefits for autoimmune comorbidities and patient adherence, but reports no new clinical results.
May 2021 in “Research journal of topical and cosmetic sciences” In this study, oral supplementation of Microcore’s TrichovitalsTM significantly improved the appearance of facial skin, hair, and nails over 12 weeks in healthy middle-aged adults compared to a control group.