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What is the maximum dose of vitamin D that I am allowed to take while participating in the PHS II trial?

April 26, 2017allowed dose ii maximum PHS trial vitamin d

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What is the maximum dose of vitamin D that I am allowed to take while participating in the PHS II trial?

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Current guidelines allow participants to take up to 1000 IU per day of individual vitamin D supplements while participating in the PHS II trial. If vitamin D is taken as part of a combination agent (e.g., Caltrate), there is no limit to the amount that can be taken.