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Real members of MyParkinsonsTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.
A MyParkinsonsTeam Member asked a question 💭
Burke, VA
December 1, 2025
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What type and quantity of vitamin D should be taken for Parkinson's?

There are two types of vitamin D that may be relevant: vitamin D2 (found in plants, mushrooms, and yeast) and vitamin D3 (found in oily fish and produced by your body during sun exposure). Your body converts these into the active form called calcitriol.

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What type and quantity of vitamin D should be taken for Parkinson's?

There are two types of vitamin D that may be relevant: vitamin D2 (found in plants, mushrooms, and yeast) and vitamin D3 (found in oily fish and produced by your body during sun exposure). Your body converts these into the active form called calcitriol.

For adults with Parkinson's, the general recommended dose is 600 IU (international units) daily for those under 70 and 800 IU for those over 70. However, it's crucial to talk with your doctor before starting any vitamin D supplementation, as individual needs can vary based on your current levels.

Your doctor can order a blood test to check your vitamin D status and determine if you need supplementation and at what dose.

Be cautious about taking too much vitamin D, as excessive amounts can cause:
* Nausea and vomiting
* Muscle weakness
* Confusion
* Pain
* Dehydration
* Kidney stones

Vitamin D can also interact with some medications, making it especially important to consult your healthcare team before starting supplementation.

December 1, 2025

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