A member asked:

What are considered the most effective american supplement brands?

A doctor has provided 1 answer

Uncertain quality: If you want the best acting, there is no regulation in this arena and few supplements have been tested. If you can find supplements made by a major pharmaceutical company like bausch and lomb, then they will have been tested for content and quality. Supplements in 'health food stores' are a random selection and the contents may not be the same as listed on the label.

Answered 8/13/2013

4.9k views

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