Live Well, Age Well

How Much Protein Do You Need to Build Muscle? Protein plays a central role in building and maintaining muscle. But how much protein is actually needed for muscle growth? The answer depends on factors like body weight, activity level, and training intensity. If you haven't calculated your protein needs yet, start with our Daily Protein Intake Guide. Recommended Protein Intake for Muscle Growth Research suggests the optimal range for muscle growth is: 1.6–2.2 grams of protein per kilogram of body weight For example: Body Weight Protein Target 150 lb 110–150 g 170 lb 123–169 g 190 lb 138–189 g Protein Quality Matters Muscle repair requires sufficient essential amino acids. Good protein sources include: eggs fish legumes tofu plant protein blends Convenient options like protein bars can help close gaps between meals. Protein Timing and Muscle Growth Muscle recovery is best supported when protein intake is spread throughout the day, especially around workouts. The Bottom Line For muscle growth, most research supports 1.6–2.2 g/kg of protein per day. If you want to estimate your personal protein needs, see our Daily Protein Intake Guide. Many people find they fall short of their daily protein goal. A clean plant-based protein bar can be a convenient way to close that gap between meals. Many people find they fall short of their daily protein goal. A clean plant-based protein bar can be a convenient way to close that gap between meals. Looking for more? Explore our nutrition guides: Daily Protein Intake · Protein Needs After 40 · How to Increase Protein Intake · Best Plant-Based Protein Sources · Protein Timing