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.
8 citations
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July 2020 in “Applied Sciences” This review discusses the strengths and weaknesses of existing studies on complex dietary supplements for hair loss, emphasizing the need for valid measurement methods like TrichoScale® to quantify effectiveness; it reports no new results.
June 2023 in “Diyala Journal of Medicine” In this Baquba city study, alopecia areata was more prevalent among males aged 21 to 30, with most experiencing single lesions on the head, recurring cases, and a history of psychological stress.
January 2012 in “Surgical & Cosmetic Dermatology” This study found that a dietary supplement improved hair strength and shine in participants with hair damage from breakage.
June 2023 in “Clinical Chemistry” This case report uncovered that hidden dexamethasone in a dietary supplement caused misleading Cushingoid symptoms and lab results, underscoring the risk of undisclosed ingredients in supplements.
August 2026 in “Scientific Reports” This study suggests that a Lentinula edodes extract can improve skin barrier function, hydration, and sebum regulation, possibly by modulating vitamin D pathways, in individuals with oily and acne-prone skin.
5 citations
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January 2012 in “Journal of nutrition & food sciences” This study found that a nutritional supplement containing peptides, lipids, hyaluronic acid, and collagen improved skin, hair, and nail dryness, with significant benefits noted for those with severe symptoms.
This study found that calcium, magnesium, and vitamin D supplementation altered hair calcium and magnesium content in perimenopausal women, suggesting an early indicator of metabolic changes linked to skeletal mineralization.
3 citations
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August 2022 in “Pharmaceuticals” This study observed that a self-emulsifying drug delivery system for finasteride significantly enhanced bioavailability in rats compared to commercial tablets, but the formulation was found to be thermodynamically unstable.
1 citations
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August 2021 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.
December 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Puradrop Extra Strength Gummies claim to support weight loss and boost energy using natural ingredients.
January 2018 in “Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment” This study developed and validated a method using UPLC-PDA and LC-Q-TOF/MS to identify and measure prohibited substances in dietary supplements, showing reliable detection of compounds like minoxidil and finasteride.
October 2008 in “Trace Elements and Electrolytes” In this study, perimenopausal women with initially high hair concentrations of calcium, magnesium, and silicon experienced a decrease in these elements after intermittent dietary supplementation with calcium, magnesium, silicon, and vitamin D.
May 2023 in “Elsevier eBooks” 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.
1 citations
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August 2012 in “Pediatrics in review” 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.
October 2025 in “International Journal of Innovative Research in Technology” This review examines the evidence on nutritional and herbal supplements for women's health, emphasizing the need for more long-term studies to develop evidence-based guidelines for personalized supplementation.
1 citations
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May 2017 in “Asian journal of medical sciences” This study found that dietary supplementation with collagen, chondroitin sulfate, low-molecular weight hyaluronic acid, Pycnogenol®, and coenzyme Q10 significantly improved skin hydration, elasticity, nail hardness, and hair condition in patients with age-related dermatological changes after 12 weeks.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” This abstract discusses the FitSpresso weight loss supplement's potential benefits and mechanisms but provides no clinical research findings; it reports on its ingredients and consumer ratings instead.
July 2025 in “JAAD Case Reports”
April 2026 in “International Journal of Engineering Research and Science & Technology” 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 study identified ten key magistral dermatological formulations, such as personalized trichological preparations and Kligman’s formula, which fill critical gaps unmet by standardized products, particularly in cases like pediatric scabies or autoimmune mucosal diseases, illustrating the role of compounding in precision medicine.
2 citations
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July 2018 in “Elsevier eBooks” This review discusses commonly used dietary supplements for hair growth and highlights the lack of evidence supporting their efficacy and safety in the absence of nutritional deficiency; it reports no new research results.
24 citations
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June 2010 in “Clinics in Dermatology” 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.
November 2024 in “PubMed” Results of the effect and safety of a gummy supplement with B vitamins, zinc, and botanicals on hair growth and quality in women with thinning hair are not reported in this abstract.
This study introduced a technology for creating water-soluble minerals, which reportedly showed potential health benefits such as diet and anti-wrinkle effects in their applications.
June 2023 in “JAAD international” 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.
8 citations
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September 2021 in “Journal of Cosmetic Dermatology” 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.
July 2020 in “Farmacja Polska” This study found that although most respondents know what dietary supplements are, many lack awareness of their specific uses and potential risks, indicating a need for better public education.
2 citations
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January 2020 Certain dietary supplements can improve hair health.
119 citations
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July 2016 in “Annals of the New York Academy of Sciences” This review examines the impact of vitamin D signaling in extraskeletal tissues and notes that expected benefits from animal and cell studies have not been consistently replicated in human clinical trials.