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08.10.2019

How using whey hydrolysate makes athletes lose body fat

Strength athletes using whey hydrolysate lose body fat, we wrote yesterday. How exactly is that possible? The answer may be in an animal study that American researchers at the University of Missouri published in 2014. According to that study, whey hydrolysate stimulates the release of epinephrine.

Study
The researchers divided rats into 3 groups after they had not eaten for 8 hours. One group received nothing [CTL], another group received whey concentrate [WPC] and another group received whey hydrolysate [WPH].

The researchers then analyzed the blood of the rats with metabolomics technology, which enable scientists to detect substances which they are not explicitly looking for.

Results
After ingestion, both whey concentrate and whey hydrolysate led to a substantial increase in the amount of free fatty acids in the blood of the test animals. This suggests that the fat cells release their contents into the blood, after which the muscles and other organs can burn them. However, the increase in the fatty acid concentration was greater in the rats that had received whey hydrolysate.

Click on the figure below for a larger version.

You can see above how whey hydrolysate caused that increase. Thirty minutes after the rats received the pre-split protein, the concentration of epinephrine in their blood increased. Epinephrine forces fat cells to release their contents into the bloodstream.

Conclusion
"To our knowledge, the latter finding is novel and may be attributable to bioactive peptides acting as an adrenal catecholamine secretagogue, as other peptides [Am J Physiol. 1995 Nov;269(5 Pt 1):E903-9.] have been shown to stimulate catecholamine release", the researchers write.

Source:
Appl Physiol Nutr Metab. 2014 Feb;39(2):158-6.

More:
Do you want to lose some fat? Replace whey concentrate with whey hydrolysate 07.10.2019
Dipeptides in whey hydrolysate are glucose boosters 31.01.2011

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Protein shake before exercise increases fat oxidation If you want to lose weight by exercising more, take proteins, rather than carbohydrates, and preferably slow-absorbing proteins, such as casein, just before your workout starts.	This is the effect of whey on bodybuilders in real life Men who train with weights and use whey, do not become stronger or more muscular due to their supplementation.	High-protein diet does not make your whey shake less anabolic If you are consume a high-protein diet, your body deals with the amino acids in those proteins less efficiently than if you consume few proteins. But this has no negative consequences for the anabolic stimulus of a whey protein shake.