Vitamin D supplements causing hair loss
    Product 6/22/2025

    New to cholecalciferol? There is a guide in the encyclopedia. Read the guide →
    At a glance
    In this side effect report post, the primary subjects mentioned are
    💊 Vitamin D3 (oral) 2000 IUs 1x daily 1 month
    the tone is 😞 negative with no growth results.

    Other terms

    The conversation is about a user experiencing accelerated hair loss after starting vitamin D3 supplements, suspecting a link between the supplement and increased DHT levels. The user decides to stop taking the supplements, preferring natural sources of vitamin D.
    View this post in the Community →

    Similar Community Posts Join

    6 / 6 results

      community Please take a vitamin & hormone test

       255 upvotes 1 year ago
      Checking vitamin and hormone levels is important for addressing hair loss, as deficiencies in vitamin D, zinc, and iron can affect hair growth. Treatments like finasteride, minoxidil, and vitamin supplements are used, but addressing deficiencies is crucial for effectiveness.

      community So what other supplements should you take alongside finasteride.

       4 upvotes 1 year ago
      The conversation discusses using finasteride for hair loss and considers additional supplements like vitamin D3, melatonin, zinc, biotin, and minoxidil. There is debate over zinc's effectiveness, with some suggesting it may not be beneficial for hair loss.

      community Dec 2024 vs now (min + fin/dut)

      in Progress Pictures  27 upvotes 10 months ago
      The user experienced hair thickening and reduced shedding using minoxidil, finasteride, and dutasteride, with a switch from finasteride to dutasteride due to ineffectiveness. They also use a saw palmetto shampoo and take vitamin D3 supplements, while considering potential underlying causes like vitamin deficiencies and hard water buildup.

      community A lot of blood tests that I have done until now (Mainly Hormones).

       4 upvotes 5 years ago
      The user shared their experience with hair loss treatments, including oral and topical Finasteride and Minoxidil, and detailed various blood test results to track hormonal changes. They noted that while DHT levels initially decreased with topical Finasteride, they later increased, but they observed positive results in hair growth.

      community My DHT levels have increased after taking 0.25mg Fin for 47 days!

       186 upvotes 1 year ago
      A user experienced increased hair shedding and unchanged DHT levels after taking 0.25mg of finasteride for 47 days, leading them to increase the dose to 0.5mg. Others discussed varying experiences with finasteride, minoxidil, and the importance of measuring scalp DHT.

      community 6 months on dutast and minoxodil, hair growing like weeds now!

      in Progress Pictures  618 upvotes 1 year ago
      A woman experienced significant hair regrowth after six months of using dutasteride and minoxidil, despite initial hair loss due to androgenetic alopecia. She reported minimal side effects and highlighted the effectiveness of these treatments for women, despite doctors' hesitancy to prescribe them.

    Related Research

    6 / 6 results