They act as antioxidants, support gut bacteria, and some studies suggest they may enhance GLP-1 production and inhibit DPP-4 (an enzyme which breaks down GLP-1) [6]
Back Dupr, J, Ross, SA, Watson, D, Brown, JC (1973) 'Stimulation of insulin secretion by gastric inhibitory polypeptide in man', Journal Clinical Endocrinology Metabolism , 37, 826-8
Sublingual Vitamin B12 is used because it is felt to have superior absorption over oral tablets that are absorbed in the GI tract
However, some studies could not find elevated plasma bile acid levels in the first days after bariatric surgery, when most of the metabolic benefits are seen [114, 115]
Both insurers attributed the situation largely to the popularity of expensive GLP-1s
ALCAR offers distinct advantages over standard L-carnitine supplements through its superior bioavailability and dual mechanism of action