Protein is the most important macronutrient for body composition. It builds muscle, preserves it during fat loss, and keeps you full. But how much do you actually need? And when should you eat it?
0.7-1 gram per pound of goal body weight.
That's it. No complicated formulas based on lean body mass or activity multipliers.
Use the lower end (0.7g) if you're maintaining or gaining slowly. Use the higher end (1g) if you're cutting or training hard.
Your body can only use so much protein at once for muscle building. Spread it across meals.
Aim for 30-40g protein per meal. This maximizes muscle protein synthesis (MPS)—the process of building muscle.
Total: 180g. Four eating occasions, each triggering MPS.
The "anabolic window" is mostly myth. You don't need protein within 30 minutes of training. But timing still matters for optimization.
Have some protein in your system. You don't want to train fasted if building muscle is the goal.
MPS stays elevated for 24-48 hours after training, but the first meal matters.
Casein or slow-digesting protein before bed may help overnight muscle recovery, but it's optional.
Note: Plant proteins are less bioavailable. Vegetarians/vegans should aim for the higher end (1g per lb) of protein targets.
Whole food is better, but powder has its place:
Don't let powder replace real food. Use it as a supplement, not a staple.
Your body needs protein throughout the day. Eating 80g at dinner doesn't maximize MPS as well as 30g at four meals.
Cereal, toast, and fruit don't cut it. Start with 30-40g protein to set the tone for the day.
Muscle recovery happens on rest days. Keep protein high every day, not just training days.
Beyond 1g per pound, there's diminishing returns. You won't build twice as much muscle eating 2g per pound vs 1g per pound.
| Goal | Target | Per Meal |
|---|---|---|
| Maintenance | 0.7g per lb | 30-40g |
| Muscle gain | 0.8-1g per lb | 30-40g |
| Fat loss | 1g per lb | 30-40g |
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