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Research

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research A novel LC-MS/MS analysis of vitamin D metabolites in mice serum and hair: impact of diet and light exposure

1 citations , February 2025 in “Frontiers in Endocrinology”

In this study, researchers observed that dietary vitamin D intake and light exposure play a crucial role in vitamin D metabolism in mice, suggesting similar importance for human health in maintaining optimal vitamin D levels.

research Vitamin D and the Skin: An Update for Dermatologists

114 citations , October 2017 in “American journal of clinical dermatology”

Adequate vitamin D is crucial for skin health and should be considered in dermatology.

research Vitamin D and the Skin: A Review for Dermatologists

13 citations , April 2019 in “Actas Dermo-Sifiliográficas”

This review discusses the relationship between vitamin D and various skin diseases, highlighting recent findings on its role and the importance of assessing and correcting vitamin D levels, but reports no new clinical results.

research The 1,25-dihydroxyvitamin D3-independent actions of the vitamin D receptor in skin

18 citations , April 2010 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology”

This research suggests that the vitamin D receptor may regulate hair follicle cycling and provide genoprotection against skin carcinogenesis through a mechanism independent of 1,25-dihydroxyvitamin D3, based on evidence from mouse models.

research Vitamina D y la piel. Una revisión para dermatólogos

16 citations , March 2019 in “Actas Dermo-Sifiliográficas”

This review discusses the relationship between vitamin D and various skin diseases but reports no new clinical results, emphasizing the need to assess and correct vitamin D deficiencies.

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Community Join

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community People who solved their Vitamin D deficiency, how much did it help with regrowth?

in Treatment 56 upvotes 1 year ago

Vitamin D supplementation can aid hair regrowth for some, but results differ. Combining vitamin D with finasteride and minoxidil often improves hair thickness, though not for everyone.

community Vitamin D deficiency strongly correlates with androgenic alopecia, FMPH and telogen effluvium

168 upvotes 2 years ago

Vitamin D deficiency is linked to hair loss, and supplementation with vitamin D can improve conditions like androgenic alopecia and telogen effluvium. Users discussed various dosages of vitamin D, emphasizing the importance of getting blood tests to determine the appropriate amount.

community Does vitamin D deficiency actually cause hair loss? Has anyone actually grew back hair after fixing vitamin d levels?

in Chat 65 upvotes 1 year ago

Vitamin D deficiency can contribute to hair loss, but it is not the sole cause, and supplementation may not always resolve the issue. Treatments like finasteride and minoxidil are recommended for hair regrowth, with vitamin D and other supplements providing additional support.

community Vitamin D and Thinning

5 upvotes 7 years ago

The conversation discusses hair thinning and potential treatments, focusing on vitamin D supplements and their effects. Other suggestions include zinc, a high-protein diet, and coconut oil for hair health.

community PSA: Check your vitamin D levels!

319 upvotes 1 year ago

Low vitamin D levels can negatively impact hair growth, and supplementing with vitamin D, along with treatments like finasteride and minoxidil, may help improve hair health. Quitting smoking and ensuring adequate vitamin B12 and K2 intake are also suggested to support hair regrowth.

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Learn

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learn Vitamin D

Vitamin made in the skin from sunlight, also taken as a supplement

What is the connection between Vitamin D and hair loss? Observational studies link low vitamin D with some types of hair loss, especially alopecia areata, but they have not shown that low vitamin D causes it.
Can Vitamin D deficiency trigger excessive hair shedding? Observational studies link low vitamin D with some kinds of shedding, but they have not shown that it causes it. A blood test and a doctor can check your level.
Is it safe to take Vitamin D supplements for hair growth? At normal doses vitamin D is well tolerated by most adults, but high doses can raise blood calcium. It has only been linked to hair in people who are deficient, so ask a doctor about a blood test first.
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learn Calcium D oantothenate

learn Biotin

B vitamin, often sold as a hair supplement

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Clinics

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Experts

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