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Acetylcholine is particularly important for transmitting signals across the junctions between nerves and muscle fibers (called neuromuscular junctions) , where it allows muscles to contract in response to a nerve impulse
Glutathione works by reducing melanin (the pigment that causes skin to darken), while Vitamin C enhances this effect by slowing down the enzyme responsible for pigment production
Though the exact mechanism of action has not been fully elucidated, GHK-Cu may work against aging due to antioxidant effects
Use:Skin brightening creams, lotions and serums
Even more astoundingly, a 7-year follow-up of these same children revealed that those in the high-choline group demonstrated a significantly superior ability to maintain sustained attention over long, challenging tasks compared to the control group
