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In this review, the authors highlighted the importance of vitamin A for vision, immune function, growth, and skin, noting that deficiency can lead to serious health issues like night blindness and increased infection risk, while excessive intake poses toxicity risks, particularly from supplements.

This study introduced the Vitamin Deficiency Detection System, which helps users identify potential vitamin deficiencies by analyzing symptoms they select on a user-friendly interface.

This article discusses the case of a patient on long-term renal dialysis with high serum vitamin A levels likely due to inadequate removal during dialysis, highlighting the need to reassess vitamin A supplementation in such patients.

This study, conducted in Indramayu, Indonesia, reported that iron supplementation significantly increased hemoglobin levels in infants, while zinc supplementation reduced persistent diarrhea risk but increased susceptibility to runny nose and measles; complex interactions with diet warrant further investigation.

This review provides insights and guidelines for clinicians and patients on assessing the risks and benefits of ritlecitinib for adolescents with alopecia areata, emphasizing shared decision-making and management strategies.

This review discusses various potential adverse effects of common oral vitamin and mineral supplements used in dermatology and highlights lesser-known issues like hematologic and neurologic effects from zinc.

This case study describes a child with rickets and alopecia who responded to a small dose of 1-a-hydroxyvitamin D3, but her alopecia remained unchanged despite treatment.

In this study, researchers developed an AI-powered platform called VitaDetect, which screens for vitamin deficiencies using image analysis of nails, tongue, and skin, aiming to provide an accessible and early-stage detection tool in resource-limited settings.

This case report details a severe instance of VDR-II where intravenous calcium infusions, administered nightly, successfully improved clinical, radiological, and biochemical signs of rickets without alopecia despite ineffective calcitriol therapy.

This study found that high-dose vitamin A and E supplementation with zinc may improve glycemic control and beta-cell function in patients with type 2 diabetes, compared to no supplements.

In this Italian retrospective study, ritlecitinib 50 mg/day showed effectiveness and good tolerability for treating severe alopecia areata over 24 weeks, achieving significant hair regrowth particularly in adolescents, as well as improvements in eyebrows, eyelashes, nails, and quality of life, with mostly mild adverse effects.

Riboflavin helps heal bed sores, inositol aids skin diseases, and calcium pantothenate doesn't prevent gray hair.

This study concluded that the combination of all-trans-retinoic acid and tocopherol-α is not recommended for treating del(5q) myelodysplastic syndromes due to low efficacy and high incidence of adverse effects.

This study found that intravenous high dose calcium infusions followed by high dose oral calcium effectively treated vitamin D dependent rickets type II, leading to complete biochemical and radiological healing and improved growth in two patients.

This study identified common and unexpected adverse events associated with ritlecitinib in real-world use, providing insights into its safety profile for treating severe alopecia areata.

This study found that treating children with hair defluvium using vitamin-D and calcium significantly improved symptoms, with a total effective rate of 93.3%.

This study found that nutritional supplementation with hydrolyzed collagen, amino acids, vitamins, and minerals significantly improved hair anagen/telogen ratios and hair density in telogen effluvium patients.

This study observed that children with a genetically transmitted defect in the 1,25-dihydroxyvitamin D3 receptor experienced spontaneous healing of rickets as they aged, despite persistent mineral imbalances during treatment.

This study found that a supplement containing cystine, B vitamins, and minerals improved hair condition in 34 women with diffuse hair loss over six months, as evidenced by an increased anagen/telogen hair ratio, positive participant feedback, and no serious side effects.

In this study, researchers assessed vitamin D3 levels in adolescents, finding a suboptimal average of 22.00 ng/ml, and demonstrated that supplementing with 1000 IU/day of vitamin D3 significantly raised levels and improved physical and mental potential over two months.

In this study, distinct clinical responses and long-term resistances were observed in two pediatric patients with vitamin D-dependency type II, associated with abnormalities in their skin fibroblast interactions with 1,25-(OH)2D3.

This study found that vitamin D levels in children with autoimmune alopecia were often below optimal, but did not suggest a need for extra vitamin D screening beyond standard practices.

This study found that the Keyora Lycopene 23 in 1 formulation may improve various aspects of male endocrine and reproductive health by targeting oxidative stress, nitric oxide deficiency, and hormonal imbalance.

This case study reports that prolonged high-dose vitamin A intake led to multiple adverse health effects in a young man, which mostly resolved after stopping the supplement, although liver changes persisted.

In this study, dogs with sebaceous adenitis were treated with oral vitamin A, but responses varied widely, showing improvements in some cases while others experienced no benefit.

This study identified a novel I268T mutation in the vitamin D receptor that reduces its function, contributing to hereditary vitamin D-resistant rickets, and found that a potent vitamin D analog could improve receptor function.

This study evaluated the long-term safety of ritlecitinib in adolescents with alopecia areata and found it to be well-tolerated without new safety concerns over approximately five years, with common adverse events including positive SARS-CoV-2 tests, acne, headache, and nasopharyngitis.