4P Fitness Insights
Explore practical, science-backed insights on strength, mobility, nutrition, recovery, longevity, and today’s biggest fitness trends. Use the category filters or search bar below to quickly find the guidance, answers, and topics that matter most to you.
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GLP-1 Weight Loss Doesn’t Replace Strength Training
GLP-1 medications can support weight loss, but new research suggests people may move less after starting them. Learn why strength training, daily steps, protein, mobility, and recovery still matter for preserving muscle, supporting metabolism, and building a healthier body during weight loss.
The GLP-1 Muscle Crisis: How to Preserve Lean Mass While Losing Weight
GLP-1 medications can support weight loss, but losing muscle is a real concern. This Four Pillar Fitness Insights article explains how to protect lean mass with strength training, protein, nutrition, recovery, and better habits so weight loss supports long-term health, metabolism, and body composition instead of weakening the body.

