We've known for decades that the damage made by sugar on our health has been vastly underestimated compared with “bad fats” whose harmful effects, like cholesterol or saturated fat, have been excessively pointed out.
Whey contains lactose (a dairy carbohydrate) which has a naturally low glycemic index (45) compared to glucose (100). This means that lactose, as a carbohydrate (sugar), does not increase blood sugar levels as much as glucose (or bread and other sugar-added food). The consumption of whey actually induces (alone or in combination with a meal) insulin secretion, which will decrease blood circulating glucose, which is harmful in diabetes (Frid AH et al., 2005).
The function of the gastrointestinal tract plays a pivotal role in glucose homeostasis, particularly during the postprandial period (Mignone LE et al., 2015). Whey protein slows gastric emptying and stimulates the release of gut peptides, including incretins (metabolic hormones that stimulate a decrease in blood glucose levels). Also, appetite is suppressed with the consumption of whey due to its effects on the gut-brain axis and the hypothalamus. Other studies demonstrate that dairy whey proteins have a better effect on appetite control than other protein sources such as eggs, casein, or soy (Hall W et al., 2003) (Aderson G et al., 2004) (Uhe A et al., 1992) (Tahavorgar Aet al., 2014).
A review of the literature indicates that L-cysteine-rich whey protein improves glucose metabolism in diabetic animals and type-2 diabetic patients and Protelicious whey is particularly rich in sulfur-containing amino acids like cysteine and methionine (which can produce cysteine in the body) due to the cold filtration process. Similarly, in animal studies, improvement in glucose metabolism is observed after supplementation with cysteine or molecules containing a cysteine moiety (Jain SK, 2012). L-Cysteine is an essential precursor of Glutathione (GSH) biosynthesis. GSH is a major physiological antioxidant, and its depletion increases oxidative stress. Diabetes is associated with lower blood levels of cysteine and GSH. Animal and human studies report that cysteine supplementation improves GSH biosynthesis and is beneficial in lowering oxidative stress and insulin resistance (Kanikarla-Marie P et al., 2019). Protelicious is an excellent and natural way to increase cysteine and methionine consumption in the diet. All these properties of whey not only indicate that it is safe for diabetics but, on the contrary, suggests its potential in the management of type 2 diabetes.
Studies have consistently shown that diets low in protein trigger sugar cravings. Foods high in protein and fats promote a slow release of sugar into the bloodstream, keeping you feeling fuller for longer. So adding protein to your diet is the best way to minimise your sugar cravings significantly.
Dr Jean-Francois Lesgards, PhD. Researcher and scientific adviser in Biochemistry and Health, Inflammatory diseases and associated nutritional and environmental factors.
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