It also participates in the action of serotonin, a neurotransmitter known to control mood and appetite
Effects on specific populations including the elderly, those with metabolic disease, and women have not been specifically investigated
One study found that when people with mild cognitive issues and low levels of B12 were given B12 vitamins, most of them showed improved cognitive symptoms
This absence of hyperglycemic effects makes the peptide safer for individuals concerned about glucose metabolism, and the lack of IGF-1 elevation reduces theoretical concerns about cell proliferation
Some protocols call for a one-month break every two months of use
Those with digestive issues, like Crohns disease or celiac disease, that impair nutrient absorption