i hear yes you can do it. then somebody will turn around and say they will cancel each other out. so what the verdict of bro's who used them both while cycling?
i know some VERY well respected guys around here use both but then there's vets that say NO you cant because its pointless. so what is it?
i know some VERY well respected guys around here use both but then there's vets that say NO you cant because its pointless. so what is it?

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