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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.

This study reported that among obese women with PCOS, neither early time-restricted eating (eTRE) alone nor combined with probiotics showed significant improvements in blood pressure, inflammatory markers, oxidative stress, or antioxidant capacity compared to a standard reduced-calorie diet.

This study demonstrated that dietary cupric citrate improved growth performance and nutrient utilization in broilers, while also altering their intestinal microbiota and increasing the pH in the duodenum and jejunum.

This study successfully extracted gallic acid and ferulic acid using a biocompatible aqueous two-phase system, suggesting a sustainable approach for producing antioxidants as food supplements for hair health.

This review discusses the potential benefits of antioxidants and growth factors for treating alopecia but reports no new clinical results.

This article is a letter to the editor discussing the treatment of telogen effluvium using a dietary supplement, but it provides no new research results.

This review discusses the potential of a low-dose comprehensive cyclical nutrient therapy for enhancing hair growth and strengthening hair roots, but reports no new experimental results.

This study reports that a nutritional complex may improve hair density and quality, with in vitro findings demonstrating inhibition of 5α-reductase, and participants noting reduced hair loss and greasiness.

This study highlights conflicting evidence on the safety and efficacy of nutritional supplements for hair loss in breast cancer patients, emphasizing the need for oncologist management and further research.

In this phase 3 clinical trial, participants taking Vedistry Amla + Tablets for hair concerns experienced significant reductions in hair fall and improvements in hair texture, strength, and scalp health over three months, with stable laboratory parameters and increased Vitamin D and antioxidant levels.

This review discusses supplements used to alleviate side effects of chemotherapy, highlighting various natural remedies, but reports no original clinical research 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 review discusses the varied levels of evidence linking nutritional supplements and antioxidants to dermatological disorders, but it reports no new clinical results and highlights the need for rigorous trials.

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.

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 paper discusses the potential of millets as a dietary intervention to help manage chemotherapy side effects in cancer patients, suggesting that their nutrient profile and various health benefits could support treatment without increasing medication burden.

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.

This study found that maternal Nano-Se supplementation in cashmere goats improved antioxidant status and promoted secondary hair follicle development in fetuses at 110 days.

In this case report, an 80-year-old woman experienced darkening of previously grey hair, which may be linked to vitamin B supplementation, though its effectiveness is typically associated with reversing greying only in the presence of an initial vitamin B deficiency.

In this study of White cashmere goat ewes and their offspring in Tibet, selenium and vitamin E supplementation improved antioxidant capacity and serum biochemical indices and enhanced secondary hair follicle development in lambs, but did not significantly alter fecal microbiota composition.

This review suggests that certain nutritional supplements may have a potential role in improving hair loss, though evidence quality varies, and such treatments should be discussed collaboratively between physicians and patients.

This article addresses the need to screen for nutrient deficiencies in patients with hair loss but reports no new findings, noting that supplementation without deficiency may not be beneficial and could pose risks.

This review discusses the relationship between oxidative stress and polycystic ovarian syndrome and reports no new clinical results; the authors emphasize the need for further research into therapeutic strategies.

This review discusses the emerging pathophysiological factors and potential new therapies for androgenetic alopecia beyond traditional treatments, but reports no new results.

Nutraceuticals like Ashwagandha and Astaxanthin may help with hair loss, but supplement regulation is challenging.

This systematic review reported that probiotics, prebiotics, synbiotics, postbiotics, and dietary supplements may improve hair density and reduce dandruff severity in individuals with scalp disorders, potentially by modifying inflammation, oxidative stress, and microbiota composition; however, variability across studies limits the strength of these conclusions.

In this study, researchers found that polysulfides in human hair keratin contribute to hair strength and antioxidant capacity, with sulfur supplementation enhancing hair strength and cuticle structure amid oxidative stresses such as UV radiation.

This study found that individuals with premature hair graying had significantly lower levels of antioxidants compared to controls, but the severity of graying did not significantly correlate with oxidative stress levels.

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 literature review reports that multivitamin supplementation can enhance hair density and quality in people with suboptimal nutritional status but warns that excessive intake of certain vitamins and minerals may cause hair loss.