No Difference between Spray Dried Milk and Native Whey Supplementation with Strength Training

Medicine and Science in Sports and Exercise
H HamarslandTruls Raastad

Abstract

A rapid digestibility and high leucine content are considered important for maximal stimulation of muscle protein synthesis. Consequently, with these properties, native whey may hold greater anabolic potential than milk, when supplemented in combination with strength training. Our aim was to compare the effects of supplementation with milk or native whey, during a 12-wk strength training period, on gains in muscle mass and strength in young adults. In this double-blinded, randomized, controlled study a total of 40 untrained young men and women received two daily servings of either milk or native whey containing 20 g of protein, during a 12-wk strength training intervention. Muscle strength, lean mass, thigh muscle cross-sectional area, m. vastus lateralis thickness and muscle fiber cross-sectional area were assessed before and after the training period. In addition, the acute phosphorylation of the anabolic kinases p70S6K, 4E-BP1 and eEF-2 in response to a standardized workout and supplementation was investigated before and after the 12-wk training period. Muscle mass and strength increased, by all measures applied (5%-16%, P < 0.001), with no differences between groups (P > 0.25). p70S6K phosphorylation increased (~1000%, P < ...Continue Reading

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Citations

Nov 13, 2019·Current Nutrition Reports·Martin HueckerJanese Laster
May 18, 2021·Current Research in Food Science·Saori NakamuraBon Kimura

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Methods Mentioned

BETA
biopsies
pull-down
X-ray
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Clinical Trials Mentioned

NCT03033953

Software Mentioned

OsiriX
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