Supplementing Breakfast with a Vitamin D and Leucine-Enriched Whey Protein Medical Nutrition Drink Enhances Postprandial Muscle Protein Synthesis and Muscle Mass in Healthy Older Men.
J Nutr. 2017 Dec;147(12):2262-2271. doi: 10.3945/jn.117.252510. Epub 2017 Aug 23.
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PMID: 28835387
Clinical Trial.