Because GHK-Cu is researched for regenerative, tissue-remodeling, collagen-related, and cellular-signaling pathways, research involving active or suspected malignancies, copper-metabolism conditions, liver-related investigations, or complex dermatological research models may warrant additional monitoring and individualized evaluation
They do not have FDA approval, and it is illegal to introduce them into the body
DSIP was reported to modulate the stimulation of rat pineal N-acetyltransferase activity, an enzyme central to melatonin synthesis, by involving the alpha-1-adrenergic receptor (PMID 3029331)
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Extra protein can boost the increases in muscle strength and size that occur with strength training