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GHK was first discovered in 1973 by the noted peptide researcher Dr
Pharmaceutical Research, 16 , 1412-1416
& Hwang, B
Phosphatidylcholine (PC): Nourish Your Brain, Protect Your Cells Phosphatidylcholine is a natural component of every cell membrane and a primary source of choline, which the brain and nervous system need to produce acetylcholine, a neurotransmitter essential to memory, muscle function, and nerve signaling
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