Where to buy peptide yy

Peptide YY is released after eating, circulates in the blood and works by binding to receptors in the brain. Binding of peptide YY to brain receptors decreases appetite and makes people feel full after eating. Peptide YY also acts in the stomach and intestine to slow down the movement of food through the digestive tract. Peptide YY secretion is mainly stimulated by the presence of food in the digestive tract, particularly fat and protein.

The amount of peptide YY that is released into the blood depends on the amount of calories eaten, with higher calorie foods causing more peptide YY release than lower calorie foods. Peptide YY secretion can also be stimulated by digestive juices such as bile and another gastrointestinal hormone called cholecystokinin.

The highest levels of peptide YY are found in the second hour after eating. Peptide YY levels then gradually decrease. Low levels of peptide YY are seen during long periods without eating, for example overnight. High peptide YY concentrations are unusual.

They will cause a decrease in appetite and food intake. Low peptide YY concentrations are associated with an increase in appetite and food intake. Low peptide YY levels are seen in obesity and before the onset of type 2 diabetes and may contribute to weight gain in these conditions. However, low peptide YY concentrations are very unlikely to be the main cause of obesity as the levels decrease after weight gain has started. There has been some research into using peptide YY as a medication for obesity, aiming to decrease the appetite of people who are overweight.

This research is still ongoing. It is extremely rare to have a genetic inherited deficiency of peptide YY.

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