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GlossaryVitamin D (ergocalciferol)

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.

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research Vitamin D And The Skin: A Review For Dermatologists

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

Vitamin D is important for skin health and can affect various skin diseases.

research The Importance of Vitamin D and Its Effects on the Human Body

April 2025

Vitamin D3 is crucial for health, preventing issues like bone disorders and hair loss.

research Clinical Evaluation of Pleurotus Florida (White Oyster Mushroom) in the Management of Vitamin D Deficiency

October 2023 in “International Journal of Ayurvedic Medicine”

White Oyster Mushrooms can help improve Vitamin D levels.

research Polycystic Ovary Syndrome and Other Androgen Excess-Related Conditions: Can Changes in Dietary Intake Make a Difference?

48 citations , February 2008 in “Nutrition in Clinical Practice”

Dietary changes, including weight loss and a balanced diet, are important for managing PCOS, especially in overweight women.

research Hyperpigmentation Post Laser Hair Removal in Patients Taking Vitamin D Supplements

1 citations , January 2021 in “Journal of Dermatology and Dermatologic Surgery”

Taking Vitamin D supplements may increase the risk of skin darkening after laser hair removal.

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community Just found out I am Vitamin D deficient

in Treatment 58 upvotes 4 years ago

A user found out they are vitamin D deficient and was prescribed high-dose vitamin D supplements, asking if others had similar experiences and if it improved their hair. Some shared improved mood and testosterone levels after treatment, while another combined vitamin D supplements with finasteride due to family history of baldness.