"Protein supplementation" refers to the act of consuming additional protein in the form of supplements or shakes to increase protein intake. Full definition
A 2012 study looked at the effect of protein supplementation on the muscle mass of both young people and older people (20). (healthtrends.com)
No, in this study researchers looked at the effect of N - 3 fatty acids (found in fish oil pills) taken with protein supplementation cancer patients. (fitness-baron.com)
Consequently, it is quite remarkable that dietary protein supplementation before sleep further increased the gains in muscle mass and strength during prolonged resistance - type exercise training in these young, healthy adults. (academic.oup.com)