Whey protein before meals could help improve blood glucose control in people with diabetes
– The results showed that over the whole 180 min post-meal period, glucose levels were reduced by 28% after whey protein pre-load compared with no whey protein. Insulin and C-peptide (a building block of insulin) responses were both significantly higher (by 105% and 43%, respectively) in the whey protein group. Notably, the early insulin response (meaning within the first 30 minutes following breakfast) was 96% higher after whey protein than with placebo. This is especially important since the loss of early insulin response is the most important deficiency in diabetic individuals and a major contributor to the post-meal rise in blood glucose. Additionally, both total GLP-1 (tGLP-1) and intact GLP-1 (iGLP-1) levels were significantly higher (by 141% and 298%, respectively) with whey protein pre-load.
* Published in Diabetologia Jul 2014
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