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Glossary Oral Supplements

products taken by mouth to supplement diet with nutrients

Oral supplements, also known as oral dietary supplements, are products taken by mouth that contain vitamins, minerals, herbs, amino acids, or other substances intended to supplement the diet. They are often used to address nutritional deficiencies, support overall health, or target specific health concerns, such as hair growth or immune function.

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Research

5 / 1000+ results

research Clinical Efficacy of Topical or Oral Soy Supplementation in Dermatology: A Systematic Review

2 citations , June 2023 in “Journal of clinical medicine”

This review found that both oral and topical soy-based products showed positive effects on various skin-related outcomes, including aging signs and skin barrier function, but topical applications were more likely to improve skin barrier status compared to oral supplementation.

research Nutrition, Oral Supplements, and Alternative Therapies for Hair Loss

January 2026 in “Updates in clinical dermatology”

Proper nutrition and alternative therapies can help manage hair loss.

research Oral Supplementation of Nicotinamide Mononucleotide (NMN) Improves Hair Quality and Subjective Perception of Hair Appearance in Middle-Aged Women

September 2025 in “Cosmetics”

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.

research Oral Supplementation with l-Cystine, Serenoa repens, Cucurbita pepo, and Pygeum africanum in Chronic Telogen Effluvium and Androgenetic Alopecia: A Double-Blind, Placebo-Controlled, Randomized Clinical Study

July 2024 in “Skin Appendage Disorders”

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.

research Usos clínicos de la suplementación oral con péptidos de colágeno en la consulta dermatológica

April 2024 in “Más dermatología”

This study reported that bioactive peptides from skin collagen, obtained through selective hydrolysis, improve skin collagen synthesis and remodeling, while inhibiting its breakdown by metalloproteinases, showing benefits such as enhanced skin hydration, elasticity, healing, and hair restoration, without associated adverse effects.

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Community Join

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community Oral Supplementation of Nicotinamide Mononucleotide (NMN) Improves Hair Quality and Subjective Perception of Hair Appearance in Middle-Aged Women

2 upvotes 1 year ago

Oral supplementation of Nicotinamide Mononucleotide (NMN) improves hair quality and appearance in middle-aged women. However, it may reduce total hair density, possibly due to seasonal shedding.

community oral hyaluronic acid supplements?

5 upvotes 4 years ago

Oral hyaluronic acid is not beneficial for hair, as it gets broken down in the stomach and has no strong evidence supporting its effectiveness. The user is taking finasteride, dutasteride, and topical minoxidil for hair loss, but combining finasteride and dutasteride is considered redundant.

community Need supplemental products in addition to oral minoxidil and oral dutasteride

1 upvotes 1 year ago

The user has been using oral minoxidil and dutasteride for hair loss without success and is considering adding topical 17α-estradiol, Pyrilutamide, Clascoterone, or cetirizine. They have confirmed low serum DHT levels and are exploring additional treatments due to genetic sensitivity to DHT and prostaglandin D2.

community Clinical efficacy of popular oral supplements for AA

1 upvotes 5 years ago

Vitamins and minerals like vitamin E, zinc, and iron may aid hair growth, especially in cases of deficiency. Pumpkin seed oil, saw palmetto, horsetail, and AminoMar show some promise for improving hair health and count.

community 10 Week Progress? 59M (Oral Dut, Supplements, and Topicals)

in Is this regrowth? 71 upvotes 1 year ago

The user is using a combination of oral Dutasteride, topical Minoxidil, Ketoconazole shampoo, and other supplements for hair regrowth, with plans to start microneedling. Some users see progress and suggest microneedling to enhance results, while others note that significant changes may take more time.

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Learn

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learn Sulforaphane

Is sulforaphane used in oral supplements or topical hair treatments? Sulforaphane is primarily used in oral supplements, not topical hair treatments.

learn Vitamin B5

Is Vitamin B5 more effective as an oral supplement or in topical hair care products? Vitamin B5 is not proven to be significantly effective for hair loss in either form.

learn Vitis vinifera

Is Vitis vinifera more effective in oral supplements or topical products? Topical products may provide more direct benefits for hair health than oral supplements.

learn white tea

Is white tea more effective in topical hair products or as an oral supplement for hair growth? Neither topical nor oral white tea has any human clinical trial behind it for hair growth. Topical use has a more direct mechanistic rationale, but the only verifiable studies are a cell-culture EGCG experiment and a pharmacokinetic study with no hair outcomes.

learn Osteopontin

Is Osteopontin more effective in topical treatments or oral supplements for hair loss? Neither route has been tested: there is no published human trial of topical or oral osteopontin for hair loss. The evidence is preclinical, and it points both ways — injected osteopontin promoted hair growth in mice, while an osteopontin-derived peptide suppressed growth in human scalp tissue and is being developed to remove unwanted hair.

learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

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