SAM supplies methyl groups for hundreds of reactions involving DNA, phospholipids, neurotransmitter metabolism, creatine synthesis, hormone metabolism and selected detoxification reactions
2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 Many factors influence this
Research, however, suggests that GHK-Cu can counter the age-associated decline in neuron function that often underlies these diseases
Siegel et al
18 , 19 One autopsy study showed that of 447 older people who were believed to have Alzheimer's dementia when they died, only 3% had the brain changes of Alzheimer's disease alone, while 15% had the brain changes of an entirely different type of dementia, and 82% had the brain changes of Alzheimer's disease plus at least one other type of dementia