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    Did you mean Serum Vitamin D?
    Glossary Serum Vitamin D

    measurement of vitamin D levels in the blood

    Serum Vitamin D refers to the measurement of the level of vitamin D in the blood, typically assessed through a 25-hydroxyvitamin D test (25(OH)D test). This test is crucial for determining if an individual has adequate, deficient, or excessive levels of vitamin D, which is important for bone health, immune function, and overall well-being.

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      community 16, female, losing a ton of hair

      in Female  7 upvotes 2 years ago
      A 16-year-old female experiencing severe hair loss and sebum buildup, likely due to telogen effluvium and PCOS, is currently using vitamin D3 supplements, Redenser serum, and T follihair supplements. Recommendations include addressing PCOS first and consulting a doctor.

      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 My hairgrowth journey from July 10, 2025 to December 22, 2025

      in Progress Pictures  28 upvotes 9 months ago
      The user shared their hair growth journey using minoxidil, finasteride, and ketoconazole shampoo, along with vitamins and serums, reporting significant progress in five months. They emphasized the importance of stress management and plan to add a derma roller, castor oil, and a high-protein diet.

      community Diagnosed with MPB at 16 (Male)

       50 upvotes 2 years ago
      A 16-year-old diagnosed with male pattern baldness (MPB) was prescribed hair vitamins, vitamin D, a non-ketoconazole shampoo, and redenysl + serum, with a suggestion for GFC or IHRF treatments. Some users recommended minoxidil, ketoconazole, and derma stamping, while others advised against certain treatments until the age of 18.