Protein blends with exercise showed muscle gains, with other outcomes uncertain
A review of trials in healthy women reported gains in fat-free mass, muscle size and strength, but no statistically significant changes in fat-related measures or functional performance.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review reports favorable pooled results for fat-free mass, muscle size and strength when multi-ingredient protein supplements were combined with exercise. Fat mass, body-fat percentage, waist circumference and functional performance did not show statistically significant effects. Because the abstract does not describe the comparison conditions or supplement ingredients, the added value of the combined programs remains difficult to judge.
The abstract omits control conditions, supplement formulations and an overall intervention-duration range. It also provides limited detail for assessing the reported subgroup differences.
A combined program
The review asked about a combination of exercise and supplements containing multiple ingredients. Its abstract does not establish which ingredients contributed to the reported changes, or whether protein alone would have produced similar results.
Subgroups leave questions
Subgroup analyses linked larger gains with certain participant characteristics, intervention lengths and supplementation strategies. These patterns do not establish an optimal formula, dose or schedule, especially without the underlying comparisons and their uncertainty.
The original publication
Effects of multi-ingredient protein supplementation combined with exercise intervention on body composition and muscle fitness in healthy women: a systematic review with multilevel meta-analysis.
Zhou C, Qiu M, Zeng Z et al.
Front Nutr · 2025
- PubMed ID
- 41256928
- Record checked
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