From antioxidants to vitamins, many supplements lack official testing

By Brennen McKenzie, MA, MSc, VMD, cVMA

Skipping steps in the scientific process wastes time and resources, and it ultimately hurts patients. Those who may choose an insufficiently tested supplement over a proven therapy because they believe it to be safer or more effective based on low-quality evidence can be harmed by the supplement or by delaying truly effective treatment

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