A 48-year-old member asked:
My free retinol vitamin a blood test came back high. normal levels are 30-78. mine was 104. is this a problem?
1 doctor answer • 1 doctor weighed in
Integrative Medicine 24 years experience
Depends: If you are taking supplements, cut back some. Also check vitamin d levels to make sure they are not too low. A and d are competitively absorbed. Taking high doses of d can theoretically inhibit absorption of vitamin a.
5.3k viewsAnswered >2 years ago
Last updated Mar 7, 2013
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