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How much protein do you actually need?

For most people training regularly, aim for 1.6 to 2.2g of protein per kg of body weight a day. If you are losing weight, stay closer to the higher end, which helps protect muscle. If you are maintaining, the lower end is fine.

Those numbers come from the research on protein and training: across 49 studies, extra protein stopped adding to muscle gains at about 1.6g per kg a day, and the top of the useful range was around 2.2g.[1] More than that is not harmful for healthy people, it just stops helping.

Body weightLower end (1.6g/kg)Higher end (2.2g/kg)
60kg96g/day132g/day
75kg120g/day165g/day
90kg144g/day198g/day
One caution: if you have kidney disease, or a doctor has told you to limit protein, follow their advice rather than this guide.

Easy high-protein foods

Practical tips

Common mistakes

Reference

  1. Morton RW et al. A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults. British Journal of Sports Medicine 2018;52:376-384. Read the study

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