Although DAA supplementation has been found to sometimes result in a small increase in testosterone levels in healthy males, this increase seems to only last for about one week before it drops back down to baseline levels. An adaptogen that has been used since ancient times, the PrimaVie variant has been shown in clinical studies to enhance male reproductive health, better male sexual function and promote healthy testosterone levels. TestoTEK is an all-natural testosterone booster supplement that uses 12 powerful ingredients that will trigger the body to rapidly produce testosterone and quickly eliminate the symptoms of low testosterone.
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At the dose provided, NMDA supplementation for 28 days combined with resistance training does not increases muscle mass and strength due to its ability to elevate endogenous testosterone levels and lower cortisol and prolactin when compared to placebo. Criterion measures involved body composition, muscle strength, serum cortisol, prolactin, and gonadal hormone levels free and total testosterone, luteininzing hormome (LH), gonadotrophin releasing hormone (GnRH), estradiol, and were assessed before (Day 0) and after (Day 29) resistance training and supplementation. The effects of 28 days of heavy resistance training while ingesting the alleged testosterone-boosting supplement, NMDA, were determined on body composition, muscle strength, serum cortisol, prolactin, and hormones associated with the hypothalamo-pituitary- gonadal (HPG) axis.
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