A member asked:

Can a pre-workout supplement used to give you energy and helps build muscle, like c-4, cause erectile dysfunction?

A doctor has provided 1 answer

Dr. Steven Neish answered

Perhaps: There is a growing body of evidence that " workout supplements" have various negative side effects and there is scant evidence that is well collected that there are authentic positive effects.

Answered 12/1/2020

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A member asked:

Can a pre-workout supplement used to give you energy and helps build muscle, like c-4, cause erectile dysfunction?

A doctor has provided 1 answer

Dr. Steven Neish answered

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