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This study reports that six women developed scleroderma while taking L-tryptophan and showed improvement after stopping the supplement and/or starting corticosteroid therapy.

This study found that zinc methionylglycinate supplementation improved haircoat characteristics and zinc absorption in dogs compared to zinc sulfate.

This report warns that the Total Body Mega Formula nutritional supplement may cause selenium toxicity leading to significant hair loss.

This study examined Instagram posts advertising dermatological supplements and found many lacked detailed ingredient information and made unverified health claims, potentially influencing consumer trust and highlighting the need for dermatologist engagement on social media.

This source highlights the increasing use of nutritional supplements among patients with androgenetic alopecia, noting positive effects on hair thickness and density in controlled trials, while emphasizing the need for further research to understand their safety and efficacy.

This review discusses dietary manipulation strategies in a mouse model of CBS deficiency and reports no new results; the authors emphasize the importance of understanding gene-diet interactions.

This study indicated that while testosterone replacement in older men with low testosterone increases muscle mass and strength and reduces fat, its effects on physical function, disability, falls, or fractures remain unclear.

This study found that while MK-0773 significantly increased lean body mass in sarcopenic frail elderly women, it did not significantly improve muscle strength or physical function compared to placebo.

Men need essential vitamins like D, B Complex, and A for health, and should consult doctors for personalized advice.

This article describes a case of selenosis linked to excessive selenium in a nutritional supplement that led to a product recall due to toxicity concerns.

This study found that after 12 weeks of taking 10 mg of S-equol daily, over 90% of participating perimenopausal and menopausal women reported improvements in symptoms like hot flashes, night sweats, and sleep disturbances.

This report highlights that 49.4% of U.S. patients with skin issues use complementary and alternative medicine (CAM), with 6% leveraging it specifically for their skin conditions, including treatments like herbal, vitamin, and mineral supplementation for alopecia.

This review discusses the potential of DHEAS and testosterone treatments to increase muscle mass in older men with sarcopenia, while effects on muscle function and physical performance remain unclear, and calls for further research on optimized approaches.

This study found that 83% of community participants use cosmetic nutritional supplements, with awareness of their appropriate use suggested to be increasing, as 73% took them after lab tests and 58% followed medical prescriptions.

This study found that chromium, inositol, and Omega-3 are beneficial for improving lipid profiles in women with PCOS, and various supplements help alleviate other symptoms.

This article reviews the link between certain dietary supplements, such as vitamins B6/B12, iodine, whey, and muscle-building products, and acne, emphasizing the need for dermatologists to discuss supplement use with patients; it reports no new results.

This observational study using NHANES data from 2011 to 2020 found that the use of hair, skin, and nails supplements almost doubled, particularly among younger, female, Black, and Hispanic/Latino individuals, despite limited evidence on their efficacy and potential health risks.

This study found that DHEA along with osteogenic induction medium significantly promotes the osteogenic differentiation and proliferation of human bone marrow mesenchymal stem cells from older individuals.

In this study, a low-methionine diet significantly improved the health and physical traits of cystathionine β-synthase-deficient mice, contrasting with negative effects on mice with partial deficiency.

This review concludes that creatine monohydrate is a safe and effective supplement, offering potential health benefits beyond athletic performance; however, it addresses concerns regarding its use among specific populations and effects on various health aspects.

Certain dietary supplements can improve hair health.

In this study, saw palmetto supplements showed varied effects on cell growth in vitro and did not significantly inhibit growth in the hamster flank organ model despite a notable trend.

This article discusses Truman Plus Male Enhancement, a testosterone booster, emphasizing its potential benefits for sexual health and energy, but does not report any new clinical results.

This study developed a liquid chromatography with tandem mass spectrometry method to detect sex hormones in health supplements from Hanoi, Vietnam, finding three out of 16 samples contained sex hormones, including banned testosterone at low levels (~0.5 mg/kg).

This study found that protein supplements combined with micronutrients reduced hair loss more effectively after sleeve gastrectomy in women, compared to routine multivitamins alone.

This review discusses the potential risks associated with skin, hair, and nail supplements, highlighting concerns about safety, efficacy, and lack of regulation but reports no new clinical results.

This study found that supplementing dog food with zinc methionyl glycinate at 160 ppm improved hair growth rate, zinc levels in plasma and hair, and hair condition more than lower doses or sulfate form.

This study found that a more liberal intake of restricted amino acids in patients with methylmalonic acidemia resulted in improved growth and fewer illness episodes.

This review examines the use of selenium and vitamin E supplements for reducing prostate cancer risk, finding mixed evidence that suggests benefits may be limited to individuals with specific risk factors, like low baseline levels or smoking history, rather than broadly applicable.

This source highlights concerns about the safety and efficacy of dietary supplements marketed for hair loss, citing a lack of FDA testing and potential risks such as adverse side effects, interference with medical tests, and withholding of ingredient information.