Research
Energy balance
The adequate dietary protein intake for individuals over the age of 19 is approximately 0.8-0.9 g protein per kg of body weight per day.
Practitioners should recommend a protein intake of 0.8-0.9 g/kg for healthy adults.
StrongSupportsmedium confidence
Dietary guidelines from a variety of sources have settled on an adequate dietary protein intake for those over the age of 19 of ~0.8-0.9 g protein.kg body weight(-1).d(-1).
Why this rating
The claim is based on established dietary guidelines.
Source
A Critical Examination of Dietary Protein Requirements, Benefits, and Excesses in Athletes
Stuart M. Phillips et al. · International Journal of Sport Nutrition and Exercise Metabolism · 2007
DOI 10.1123/ijsnem.17.s1.s58
reviewCited 116×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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