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Nutrition for Lean Gains - Complete Guide

Nutrition for Lean Gains

By Tyler Reavis December 5, 2024 10 min read

What Are Lean Gains?

Lean gains means building muscle while minimizing fat gain. It's the holy grail for aesthetics—you get bigger AND leaner simultaneously.

The strategy: eat in a very slight surplus, train hard, and prioritize protein. Here's exactly how to do it.

Calculating Your Calories

First, find your maintenance calories (the amount you eat to maintain current weight):

Maintenance = Body Weight × 14-16 (for sedentary to moderately active)

For example, a 180 lb person who trains 4-5x per week: 180 × 15 = 2,700 calories maintenance.

For lean gains, eat 200-300 calories above maintenance. This allows for muscle growth while keeping fat gain minimal.

Macronutrient Breakdown

Protein

This is non-negotiable. Eat 1g per pound of body weight (or 0.8g minimum).

Protein sources: Chicken, beef, fish, eggs, cottage cheese, protein powder, Greek yogurt.

Fats

Essential for hormone production. Aim for 0.35-0.45g per pound of body weight.

For a 180 lb person: 63-81g of fat per day.

Sources: Olive oil, avocados, nuts, fatty fish, eggs.

Carbs

Fill the remaining calories with carbs. They fuel your workouts and support recovery.

Sources: Rice, oats, potatoes, pasta, bread, fruits, vegetables.

Sample Macros for 180 lb Person

  • Calories: 2,900
  • Protein: 180g (720 calories)
  • Fat: 72g (648 calories)
  • Carbs: 400g (1,600 calories)

Meal Timing

While not as critical as total daily intake, meal timing can optimize performance and recovery.

Pre-Workout (1-2 hours before)

  • Moderate carbs + protein
  • Example: Oats with banana and protein powder

Post-Workout (0-2 hours after)

  • High glycemic carbs + protein
  • Example: Rice with chicken

Sample Day of Eating

Breakfast: 3 eggs + 1 cup oats + banana (560 cal, 35g protein)

Snack: Greek yogurt + granola + berries (250 cal, 25g protein)

Lunch: 8 oz chicken + 2 cups rice + broccoli (750 cal, 55g protein)

Pre-workout: Protein shake + rice cakes (300 cal, 35g protein)

Dinner: 8 oz salmon + sweet potato + asparagus (700 cal, 50g protein)

Total: ~2,900 calories, ~200g protein

Supplements for Lean Gains

These are optional but can help:

  • Protein Powder: Convenient way to hit protein targets
  • Creatine: Proven to improve strength and muscle gains
  • Multivitamin: Insurance for micronutrient gaps
  • Omega-3: Supports recovery and general health

Tracking Progress

Weigh yourself 3-4x per week and average it. You should gain 0.5-1 lb per week on lean gains.

If gaining too fast: reduce calories by 100-200.

If not gaining: increase calories by 100-200.

Ready to Start Building Lean Muscle?

Combine this nutrition plan with a solid training program for maximum results.

Browse Routines