DSIP is found in both free and protein-bound forms in the hypothalamus, limbic system, and pituitary gland, as well as in peripheral organs including the gut secretory cells, pancreas (where it co-localises with glucagon), and plasma with brain and plasma DSIP concentrations showing a marked diurnal variation that correlates with circadian rhythm in humans, with levels lowest in the morning and higher in the afternoon
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As an added bonus, choline helps form phosphatidylcholine, which is needed for proper mental functioning
"Whether we agree with every current use or not, they [peptides] have become a household name, and that level of public interest is unlikely to disappear," said Carrie Carda, national medical director at 10X Health