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    Did you mean Vitamin D?
    Glossary Vitamin D

    fat-soluble vitamin essential for calcium absorption and bone health

    Vitamin D is a fat-soluble vitamin that is crucial for maintaining healthy bones and teeth by aiding in the absorption of calcium and phosphorus from the gut. It can be obtained through exposure to sunlight, certain foods, and supplements. There are two main forms: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol), with D3 being more effective at raising blood levels of the vitamin. Deficiency in vitamin D can lead to conditions such as rickets in children and osteomalacia in adults.

    Related Terms

    Learn 10 of 26

    1. Vitamin- d3
    2. cholecalciferol
    3. Vitamin D Vitamin made in the skin from sunlight, also taken as a supplement
    4. Vitamin C
    5. Vitamin B5
    6. Vitamin B6
    7. Vitamin E
    8. Vitamin B12
    9. vitamin A
    10. Vitamin B1
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    Community 10 of 905

    1. Check your vitamin d3 levels!!! Reddit · 6 Jul 2026
    2. 6 month evolution. Dutas 0.5 + 3 mg oral Minox + Vitamin D3, Zinc, Biotin daily (Reposted W/pics) Reddit · 17 Nov 2025
    3. 2nd month vs 3rd month .fin 1 mg,5mg biotin and folic acid, weekly once 60k vitamin d3 Reddit · 15 Jul 2025
    4. Almost 2 months in. I’ve been on 1mg oral finasteride, 2.5 oral minoxidil, 5% topical minoxidil, Biotin, vitamin D3, fish oil and microneedling weekly, 1mm needle roller. Reddit · 16 Feb 2025
    5. 6 MONTH PROGRESS - NO CHANGE AT ALL - Minoxidil/Daily Dermarolling/Vitamine D3 Reddit · 5 Oct 2024
    6. Results from 4 months on 1mg daily fin + vitamin D3 daily + micro needle once every two weeks. Starting topical min this week. Reddit · 13 Sept 2024
    7. 4 months difference after taking D3 vitamin pills and Anti hair fall shampoo only Reddit · 7 Aug 2024
    8. Why are there no studies on Topical Vitamin D3 for AGA? Reddit · 14 Apr 2024
    9. 20M Month 0 - Month 3 of minox, weekly microneedle, biotin, vitamin d3, rosemary oil, saw palmeto shampoo Reddit · 26 Oct 2023
    10. Vitamin D3 for hair loss. Thought? Reddit · 6 Mar 2023
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    Research 10 of 1000+

    1. Vitamin D: More Than a “Bone-a-Fide” Hormone Molecular endocrinology · 2003 · 276 citations
    2. Vitamin D metabolism and function in the skin Molecular and cellular endocrinology · 2011 · 185 citations
    3. Genetic Disorders and Defects in Vitamin D Action Endocrinology and metabolism clinics of North America · 2010 · 151 citations
    4. Inactivation of the Vitamin D Receptor Enhances Susceptibility of Murine Skin to UV-Induced Tumorigenesis 2008 · 148 citations
    5. Vitamin D and the skin: Focus on a complex relationship: A review Journal of Advanced Research · 2014 · 139 citations
    6. The Vitamin D Receptor Is a Wnt Effector that Controls Hair Follicle Differentiation and Specifies Tumor Type in Adult Epidermis PloS one · 2008 · 127 citations
    7. Extraskeletal actions of vitamin D Annals of the New York Academy of Sciences · 2016 · 119 citations
    8. Mutations in the vitamin D receptor and hereditary vitamin D-resistant rickets BoneKEy Reports · 2014 · 107 citations
    9. Overexpression of Hedgehog Signaling Is Associated with Epidermal Tumor Formation in Vitamin D Receptor–Null Mice Journal of Investigative Dermatology · 2011 · 100 citations
    10. Does D matter? The role of vitamin D in hair disorders and hair follicle cycling Dermatology Online Journal · 2010 · 98 citations
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