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For gut or systemic use, lower, consistent doses often work better than aggressive cycling
It stimulates pulsatile growth hormone release from pituitary somatotropes through the ghrelin receptor pathway, distinct from the GHRH receptor pathway that sermorelin and CJC-1295 engage
The chart below shows some of its best dietary sources ( Other rich sources include yeast extract spread, shiitake mushrooms, caviar, kidneys, chicken, beef and egg yolks
Perhaps most interesting, injectable GHK-Cu administered in one body area (such as thigh muscles) improved healing at distant locations (such as ears), demonstrating true systemic regenerative enhancement
MK-677 elevates growth hormone and IGF-1 levels continuously, supporting muscle recovery, improving sleep architecture, and strengthening connective tissues
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