Yes, because, in my case, the test is testing for enzyme activity, not the presence of biotin in the system. I can't speak to every disorder, but I know the one that we are at risk for is unaffected by supplementation. Since, in our case, biotin is a water soluable B vitamin, there is no downside to supplementing until the results come back.
post #21 of 22
9/19/08 at 1:10pm