A member asked:

I started taking bio-x4(as a probiotic)a few days ago. now my tongue is turning a dark brown color. is it from the pills or something else & why?

A doctor has provided 1 answer
Dr. Julie Abbott answered

Specializes in Preventive Medicine

Bio-x4 is a: supplement that is promoted as a weight control product with digestive enzymes and probiotics. Ingredients include lactobacillus acidophilus, bifidobacterium blend, amylase, lipase, bromelain, green tea extract. While not a frequently reported side effect, I believe it is possible one of these could discolor the tongue. Stop Bio-x4 and observe; if tongue improves you could rechallenge or be happy

Answered 7/11/2017

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