A member asked:

Doctor recommended i supplement my diet with otc b12 and vitamin d (bloodwork showed deficiency)but i don't know what brands to trust-any suggestions?

A doctor has provided 1 answer
Dr. Warren Strudwick answered

Specializes in Sports Medicine

GNC: I usually recommend GNC to my patients.. Their overall quality is good across the board..

Answered 2/13/2015

4.9k views

Thank

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