Over-60s on a creatine + HMB stack got stronger in just six weeks, yet the muscle-mass numbers barely moved. This double-blind crossover trial of 30 active older adults found gains in leg, back and arm strength plus upper-body and core endurance. Regression analyses suggested the improvements were largely independent of muscle size, pointing toward a neuromuscular effect. Before you rush to buy, there are real caveats: a short six-week window, a small sample, and body composition measured by BIA. Here's what the study found, what it didn't, and how to read it.
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