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This review suggests that although hydrolyzed collagen peptides with certain supplements may improve skin elasticity and joint function, evidence for collagen's anti-aging and regenerative benefits remains inconsistent.

This study found that zinc supplementation at 2.00 g/camel/day improved hair growth in lactating camels but did not affect milk yield or hump morphology, while 0.50–0.75 g/camel/day enhanced weight gain and hair development in calves.

In this study, zinc supplementation at 2.00 g/camel/day improved hair growth in lactating camels but did not affect milk production, while for calves, doses of 0.50–0.75 g/camel/day enhanced growth and hair development.

This study found that switching juvenile mice from a high-fat, high-carbohydrate diet to a control diet optimally reduced hormonal imbalances and weight, with nutraceuticals offering partial support.

This study suggests that topical caffeine may be a safe and promising treatment for hair loss, but the researchers highlight the need for more large-scale randomized trials to confirm its efficacy.

In this study, oral supplementation with NMN for 12 weeks in middle-aged Japanese women significantly increased hair growth density and diameter and improved subjective assessments of hair texture and quality of life, with no significant changes in hair hormone concentrations observed.

This study found that after 6 months of taking an oral supplement, patients with chronic telogen effluvium or androgenetic alopecia experienced a statistically significant increase in hair density and overall improved hair appearance compared to those taking a placebo, with the supplement being well tolerated.

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.

In this observational study, researchers found that women with telogen effluvium who had higher baseline ferritin levels or received higher doses and longer durations of iron supplementation reported greater satisfaction, suggesting that iron supplementation can improve patient satisfaction regardless of initial ferritin levels.

In this study, supplementing ewes with soy hulls instead of a traditional corn-based supplement showed no impact on gastrointestinal nematode infection levels in hair sheep ewes managed in a pasture-based system, though some differences in packed cell volume at weaning were noted.

This article discusses iron deficiency anemia, its health implications, and the effectiveness of oral iron supplements in treatment, but reports no new clinical findings.

This study found that supplementing Angora goats with whole field bean seeds postpartum did not prevent weight and body condition losses but was associated with improved mohair growth and kid weight gain, likely due to better nutrient partitioning towards lactation and hair growth.

This review discusses the risk factors, clinical presentation, diagnosis, and management of dermatoses linked to B-complex vitamin deficiencies, including biotin, but does not address risks from over-supplementation.

This study found that while both conventional care and teledermatology showed similar clinical response rates for treating actinic keratosis with imiquimod 5% cream, teledermatology was associated with higher treatment failure and local reaction rates.

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 abstract reviews testosterone supplementation with and without a dual 5α-reductase inhibitor on fat-free mass in men with suppressed testosterone production and reports no new research findings.

Biotin supplements did not significantly reduce hair loss in rats on valproic acid.

This study found that a new oral supplement with sulfurated amino acids and trace elements effectively improved hair growth and reduced hair loss in women with telogen effluvium and mild to moderate androgenetic alopecia.

This study reported that a natural complex showed good efficacy in improving hair loss in both male and female androgenetic alopecia over six months.

This study found that a low dose of finasteride over 12 weeks did not alter the lipid profile or adiposity index in atheroprone Ldlr−/− mice.

This abstract discusses the unclear role of dihydrotestosterone (DHT) in postembryonic life in marsupials and possibly humans, reporting no new findings.

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.

This study demonstrated that tocotrienol supplementation increased hair number in individuals with hair loss compared to a placebo, likely due to its antioxidant effects.

This review evaluates biotin's popularity and its purported benefits for hair improvement but finds no clinical evidence supporting its efficacy.

In this study, dietary biotin supplementation showed no significant benefit on reproductive performance in sows or pre-weaning growth and mortality in piglets.

In this study, antioxidant vitamins A, C, and E were found to help protect against intestinal damage caused by radiation in rats, with vitamin E being the most effective.

In this study on rats, valproic acid was associated with reduced biotinidase enzyme activity and higher alopecia rates, but biotin supplementation did not significantly affect alopecia occurrence.

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 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.

This study found that the oral supplement INVERSION® Femme significantly reduced weight and hair loss and improved skin and nails in overweight women.