How to Help Clients Lose Weight But Not Muscle Mass

Jun 12, 2025
 

The TLDR: 

  • This 6-week study examined if high protein intake could help 12 resistance-trained athletes on a 25% calorie deficit diet preserve muscle and physical performance.
  • Higher protein intake (up to ~2.2g/kg) offered no significant advantage over lower intakes (~1.2g/kg) for retaining fat-free mass, losing fat, or maintaining performance. All groups successfully reduced fat mass and increased upper body strength.
  •  The findings suggest that the standard ACSM protein recommendation of 1.2-1.7g/kg is sufficient for dieting athletes who are resistance training. The study also noted that the athletes' metabolisms slowed more than expected, irrespective of protein consumption.

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- Nutrition interventions for chronic diseases (e.g., obesity, diabetes, cardiovascular diseases)

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