Vitamin D deficiency and hair loss - does anyone have personal evidence of hair regrowth following correction?
    Research/Science 5/21/2026

    From the encyclopedia
    Minoxidil →

    Vasodilator used on the scalp and, at low doses, as a tablet

    Finasteride →

    Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically

    Dutasteride →

    5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride

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    In this question or advice post, the primary subjects mentioned are the tone is 😐 neutral.

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    Vitamin D deficiency may contribute to hair loss, but correcting it alone doesn't guarantee regrowth. Users report mixed results with supplements and treatments like minoxidil, finasteride, and dutasteride.
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      community Vitamins Deficiency and blood works result

      in Treatment  2 upvotes 1 year ago
      The conversation is about a user planning to start minoxidil treatment and considering increasing zinc intake to improve testosterone and libido. They are concerned about potential hair loss due to increased testosterone and are advised to consider magnesium supplementation and the effects of DHT if not on finasteride or dutasteride.

      community Hereditary hair loss want your advice

       11 upvotes 3 days ago
      Minoxidil and finasteride/dutasteride are recommended for treating hereditary hair loss, with vitamin D as a supplement if deficient. The suggested treatment plan from the clinic is considered expensive and unnecessary, with a second opinion advised.

      community 18M Diffuse thinning with 7ng/mL Vit D. Is it just the deficiency or is 0.5mg Fin mandatory?

      in Finasteride/Dutasteride  6 upvotes 7 months ago
      An 18-year-old with diffuse hair thinning is considering switching from a topical Minoxidil 10% + Finasteride 0.1% solution to Minoxidil 5% foam and oral Finasteride 0.5mg, while also addressing vitamin D deficiency and potential scalp inflammation. Users suggest using Nizoral shampoo for inflammation, considering dutasteride for better results, and maintaining vitamin D levels to protect hair follicles from DHT.

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