Naturally boost your testosterone and growth hormone levels without significantly increasing estrogen. When it comes to naturally boosting your testosterone and growth hormone levels without the unwanted byproduct of elevated estrogen production, few natural products can compete with the proven effects of d-aspartic acid. Found naturally in the testes, pituitary gland, and the hypothalamus, d-aspartic acid plays a central role in the production and regulation of male hormones that directly enhance athletic ability, size, and strength.
