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ALast reviewed

Protein: the dose that matters for muscle

Meta-analysis of 49 randomized trials with 1,863 participants.

Published Sources checked 1 sourceEverstack research teamHow we work

Human skeletal muscle, electron micrograph: myofibrils and sarcomere bands
Human skeletal muscle, electron micrograph: myofibrils and sarcomere bands. Image: Louisa Howard, Dartmouth Electron Microscope Facility, Public domain

Editorial section. Research summaries are not product claims and contain no product links or offers. A summary is never proof that any product works.

The question
How much protein supports muscle gains from resistance training?
Study design
Systematic review, meta-analysis and meta-regression (Br J Sports Med, 2018). [1]
What they found
Protein supplementation modestly increased strength and lean mass gains with training. Benefits plateaued around 1.6 g per kg of body weight per day of total protein. [1]
Limitations
Effects are smaller in untrained people and older adults. Food protein counts the same as powder.
What this does not mean
You do not need a shake if your meals already get you there.
Sources
  1. Morton RW et al. Br J Sports Med. 2018;52:376-384. doi.org/10.1136/bjsports-2017-097608

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