Health Benefits Of Saw Palmetto Extract Apr 14, 2019 16:05:01 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Bob50 on Apr 14, 2019 16:05:01 GMT Testosterone fluctuations inside the normal range do not impact muscle growth, more important the sensitivity and the number of testosterone receptors in muscles. tonic.vice.com/en_us/article/qvqvpp/this-is-how-much-testosterone-actually-affects-muscle-growth