Originally Posted by
jrock645
I can't recall the specific mechanisms but they speak about this in the book Nutrient Timing a good bit. Basically, hormones are interrelated and when one rises, certain ones fall- antagonistic relationship as they call it. Insulin the the king of all hormones but it's antagonistic with both growth hormone and cortisol. Natural growth hormone release is generally highest when blood sugar, and therefore insulin, is low. Stimulating insulin also blunts the cortisol response. Remember, cortisol isn't inherently evil- in times of stress and in a lack of energy(from food), cortisol mobilizes energy-> i.e. cortisol can burn fat, though by the same mechanism it can eat at muscle: it is non-discriminantly catabolic. Also remember that growth hormone, despite it's awesomeness, is not inherently anabolic-> it is primarily released for anti-catabolic effect.
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