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This case study of a 2-month-old boy with maple syrup urine disease highlights the dangers of restricting branched-chain amino acid intake, as it led to acrodermatitis dysmetabolica-like skin eruptions and hair loss, later resolved with careful dietary adjustments and monitoring.

This study found that hemodialysis patients taking water-soluble vitamins had a 16% lower mortality risk compared to those not taking any, but the specific supplementation needed remains unclear.

This case report describes a 47-year-old male with rare total melanonychia linked to vitamin B12 deficiency, whose nail discoloration and constitutional symptoms improved following vitamin B12 supplementation.

This case report highlights that repletion of various micronutrients, including thiamine, significantly improved heart failure symptoms and cardiac function in a malnourished patient with vitamin deficiencies.

This review highlights the important role of the vitamin B complex in enhancing tissue repair, reducing inflammation, and improving surgical outcomes in plastic and reconstructive procedures by supporting cellular processes such as mitochondrial efficiency, neurotransmitter biosynthesis, and wound healing pathways.

In this study, adrenalectomy in rats on a diet lacking certain vitamin B components reversed fur graying and enhanced hair growth.

This case report describes a patient with pellagrous dermatitis related to chronic alcoholism, whose symptoms resolved within two weeks following treatment with nicotinamide, vitamin B12, and thiamine.

This review discusses the potential benefits of folate supplementation to mitigate methotrexate side effects in psoriasis patients and reports no new clinical data, suggesting further randomized controlled trials are needed.

This case report describes an eight-year-old male with alopecia areata who achieved complete remission within five months following a diet and supplementation regimen rich in vitamins and zinc.

This article discusses misconceptions around mineral nutrition in beef cattle and emphasizes that sub-clinical deficiencies or toxicities, rather than overt symptoms, often cause economic losses, but it reports no new findings.

This study found that puppies fed organic selenium had better retention of selenium compared to those fed inorganic selenium, with no significant difference in coat quality or hair growth.

This review explores the role of nutritional factors in hair loss, noting that iron and l-lysine supplementation may benefit some individuals, while excessive supplements can lead to hair shedding.

This study found that severe zinc deficiency induced in weanling rats led to growth retardation, hair issues, and dermal lesions, all of which were completely reversed by zinc supplementation.

This review discusses how changes in hair and skin may indicate underlying vitamin deficiencies and emphasizes the need to identify populations at risk for these deficiencies; it reports no new results.

This study found that a combination of oral compounds improved metabolic activity, cell viability, and proliferation in hair follicular keratinocytes, with L-cystine playing a key role in protection against oxidative stress.

This review discusses the use of biotin for hair and nail growth, noting clinical improvement in cases with existing pathologies, but concludes there is insufficient evidence supporting its benefits for healthy individuals.

This study found that biotin supplementation is common among patients at a dermatology clinic despite a lack of evidence for its dermatologic benefits and potential interference with lab tests.

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.

This case report associates severe zinc deficiency with long-term total parenteral nutrition, suggesting the need for trace element supplementation in such nutritional management.

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.

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.

This study found that camelina oil supplementation was comparable to flaxseed and canola oil in supporting skin and coat health and managing inflammation in dogs over 16 weeks.

This study examined 1,992 patients at a hospital in India for signs of B12 deficiency and found common symptoms included hair loss, poor memory, and weakness. The study also reported that adding vitamin B12 powder to prepared food could improve blood levels of the vitamin.

This review highlights that bariatric surgery can increase nutritional deficiencies in morbidly obese patients, with particular emphasis on the risks of deficiency due to reduced food intake and malabsorption.

This article reviews common malpractices in the treatment of hair and scalp disorders, attributing them to autistic-undisciplined thinking, and reports no clinical findings.

This review discusses biotin and biotinidase deficiencies, their symptoms, and methods of medical management, without presenting new clinical findings.

This narrative review found that post-COVID-19 hair loss, particularly telogen effluvium, poses a significant mental and social burden, with minoxidil potentially aiding recovery, although more clinical research is needed to confirm its effectiveness.

This ex vivo study found that hair follicles in female pattern hair loss exhibited nutrient insufficiency and dormant metabolism, but maintained nutrient uptake capability, suggesting potential benefits of nutritional supplementation as an adjunct therapy.

This study found that significant hair loss in about one-third of patients after vertical gastroplasty was reversed by zinc supplementation.

This study found that temporary hair loss is common after laparoscopic sleeve gastrectomy, and biotin supplementation showed low effectiveness in preventing this hair loss.