Effects of an omnivorous diet compared with a lactoovovegetarian diet on resistance-training-induced changes in body composition and skeletal muscl… – PubMed – NCBI — Am J Clin Nutr. 1999 Dec;70(6):1032-9. Clinical Trial; Comparative Study; Controlled Clinical Trial; Research Support, Non-U.S. Gov’t; Research Support, U.S. Gov’t, P.H.S. www.ncbi.nlm.nih.gov
When you are looking at Protein from Animal and Plant sources, you need to look at the quality. It takes about 10 x more plant by volume to provide the same amount of protein that you get from animal sources and your body has to work a lot harder and getting it out of the plants. Plus typically, plant protein is missing key components that you have to supplement because it is not complete and the quality is different. Typically, you need twice as much plant protein to equal the same quantity of meat.
After 12 weeks, the Meat-eater’s lean body mass gained about 2 pounds of muscle while the Vegetarians lost 1 pound of muscle… ugghhh!
This is why Vegan Athletes are prone to injuries compared to their meat-eating counterparts. 🙂 Not to mention the Oxylates in the vegetables which can have long-term ill impact on many people.