Whey protein improves glycemia during an oral glucose tolerance test compared to vigorous-intensity aerobic exercise in young adult men

Both aerobic exercise and whey protein can improve glucose regulation. The purpose of this study was to investigate how a single bout of vigorous-intensity aerobic exercise and whey protein, independently, as well as when combined, influence glycemia during an oral glucose tolerance test in sedentar...

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Bibliographic Details
Published in:BMC sports science, medicine & rehabilitation medicine & rehabilitation, 2022-07, Vol.14 (1), p.147-11, Article 147
Main Authors: Gordon, Ryan A, Zumbro, Emily L, Castleberry, Todd J, Sokoloski, Matthew L, Brisebois, Matthew F, Irvine, Christopher J, Duplanty, Anthony A, Ben-Ezra, Vic
Format: Article
Language:English
Subjects:
Aerobics
Comparative analysis
Data collection
Dextrose
Diet
Exercise
Glucagon
Glucose
Glucose tolerance tests
Glycemia
Heart rate
Incretins
Influence
Insulin
Kinases
Milk proteins
Musculoskeletal system
Peptides
Physical fitness
Proteins
Teenagers
Whey
Youth
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Summary:Both aerobic exercise and whey protein can improve glucose regulation. The purpose of this study was to investigate how a single bout of vigorous-intensity aerobic exercise and whey protein, independently, as well as when combined, influence glycemia during an oral glucose tolerance test in sedentary, young men. Healthy males (n = 11) completed four randomized trials: no exercise/no whey protein (R); exercise (EX; walking at 70% VO for 60 min); 50 g of whey protein (W); and exercise combined with 50 g of whey protein (EXW). Each trial included a 75 g oral glucose tolerance test (OGTT) that was completed after an overnight fast. Blood samples were collected over a two-hour period during the OGTT. For EX and EXW, the exercise was performed the evening before the OGTT and the 50 g of whey protein was dissolved in 250 mL of water and was consumed as a preload 30 min prior to the OGTT. For R and EX, participants consumed 250 mL of water prior to the OGTT. Plasma samples were analyzed for glucose, insulin, C-peptide, glucagon, gastric inhibitory peptide (GIP) and glucagon like peptide 1 (GLP-1), and postprandial incremental area under the curve (iAUC) was calculated for each. Glucose iAUC was reduced during W (- 32.9 ± 22.3 mmol/L) compared to R (122.7 ± 29.8 mmol/L; p 
ISSN:2052-1847
2052-1847
DOI:10.1186/s13102-022-00540-z