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This study found that a 12-week supplementation with a combination of insulin sensitizing agents, antioxidants, and vitamins significantly improved menstrual cyclicity, acne, and hirsutism in women with PCOS, with additional weight loss benefits in obese subjects.

In this study, serum levels of vitamin C, vitamin E, and total antioxidant capacity did not differ significantly between individuals with premature greying hair and controls, but a strong association with family history was observed.

Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.

This study found that sheep with deficiencies in zinc, copper, and vitamin A exhibited symptoms like weight loss, skin disorders, and abnormal hematological and antioxidant enzyme levels compared to healthy sheep, suggesting that dietary supplementation of these nutrients could prevent these health issues.

This study observed that Egyptian patients with discoid lupus erythematosus have significantly lower serum vitamin D3 and antioxidant levels compared to healthy controls, suggesting potential benefits of vitamin D3 and antioxidant supplementation.

The study concluded that a dietary vitamin A level of 10,000 IU/kg optimally supports growth performance, fur quality, and antioxidant function in growing Rex rabbits.

This study found that in dogs with pyoderma, a combination of antibiotic and vitamin E treatment normalized oxidative stress biomarkers like lipid peroxidase more effectively by day 14 compared to antibiotics alone, which reduced these markers but failed to fully normalize them by day 21.

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 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.

This review discusses the protective effects of vitamin D on skin aging and its role in hair growth, but reports no new clinical results.

This review summarized and classified 32 approved synthetic and natural-identical antioxidants, examining their regulatory status, safety, pharmacological properties, and effectiveness on human health, aiming to clarify their antioxidant actions and encourage further research in the field.

This study found that antioxidant vitamin treatment improved the hair growth rate in patients with alopecia areata, regardless of the duration of their condition.

In this review, researchers explored the roles of vitamins A, B3, C, D, and E in skin immunity, highlighting their potential as therapeutics for skin diseases due to their antioxidant, anti-inflammatory, and antimicrobial properties.

This review discusses the role of antioxidants in managing oxidative skin damage and reports no new results, emphasizing the need for understanding their mechanisms, limitations, and risks for safe use.

This study reports that zinc oxide or silver nanoparticles capped with vitamin A or E, incorporated into wheat gluten films, showed significant potential in promoting burn wound healing in mice by facilitating wound contraction, re-epithelialization, and collagen deposition, while also exhibiting antioxidant and antibacterial properties.

This study suggests that using nutrient antioxidants can significantly reduce the dose of prednisolone needed in alopecia areata patients while potentially enhancing hair growth and mitigating side effects.

This paper reviews various vitamin deficiencies, including vitamin D, and highlights their potential health impacts. It does not report new research findings but discusses current recommendations and risks associated with these deficiencies.

This study found that a two-month antioxidant treatment significantly improved hair growth in patients with alopecia areata by enhancing antioxidant defenses and correcting trace metal imbalances.

This study found that Platycladus orientalis flavonoids may reduce oxidative damage and slow melanin degradation in AGA-affected hair, improving its quality.

In this study, the researchers optimized the extraction conditions for crude polysaccharide from Hibiscus rosa-sinensis leaves, achieving a yield of 9.66% and demonstrated strong antioxidant activities in vitro.

This study found that linoleic acid may help protect against acrylamide toxicity in female albino rats.

This review focuses on the formulation and evaluation of an herbal hair gel using natural ingredients, which reportedly strengthens hair roots, reduces hair fall, and promotes scalp health as a safer alternative to synthetic products, through various properties like moisturizing and antimicrobial effects.

This review suggests that an herbal hair gel made from ingredients like flaxseeds, curry leaves, and aloe vera may support hair growth and improve scalp health without the adverse effects of synthetic products.

In a laboratory study, Grateloupia elata extract demonstrated antioxidant and anti-aging effects by scavenging free radicals, inhibiting collagenase and elastase, increasing procollagen production, and reducing MMP-1 secretion, suggesting its potential use in functional cosmetics.

The study reports that vitamin E improves hair-follicle growth and dermal papilla cell proliferation in vitro by modulating the lncRNA2919/STAT1/SHH axis in Angora rabbits, enhancing cellular antioxidant capacity.

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 study evaluated a polyherbal hair oil formulation that included hibiscus flower and other plant extracts, suggesting it may increase hair growth, reduce hair loss, and provide dandruff protection.

This study suggests that mutamba fruit, regardless of maturation stage, could be valuable in the food industry due to its high soluble solids, vitamin C, and mineral content.

This paper discusses the potential benefits of incorporating guava leaf extracts into skincare, hair care, and oral care products, highlighting their antibacterial, antioxidant, and acne-treating properties, as well as their possible effects on dandruff removal and hair loss reduction.

This study observed that patients with alopecia had increased lipid peroxidation and decreased antioxidants, including lower beta-carotene, GSH levels, and GSH-Px activity, compared to healthy controls.