The Claim
Moderate energy restriction, defined as a 500 kcal/day deficit sustained for 11 weeks, reduces postabsorptive and postprandial leucine turnover, synthesis, and breakdown by approximately 20–30% in overweight, postmenopausal women, without altering net leucine balance or oxidation.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
If overweight women who’ve gone through menopause eat 500 fewer calories a day for about 11 weeks, their bodies use and make less of a key protein building block called leucine—but they don’t lose more protein overall or burn more of it for energy.
See the scientific wording
Moderate energy restriction (500 kcal/day deficit for 11 weeks) reduces postabsorptive and postprandial leucine turnover, synthesis, and breakdown by approximately 20–30% in overweight, postmenopausal women, but does not alter net leucine balance or oxidation.
What the research says
1 studyThe study put overweight older women on a diet that cut 500 calories a day for 11 weeks and found their body used less of a key protein building block (leucine) for making and breaking down muscle, but didn’t change overall protein balance — just like the claim said.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.