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Gym Nutrition Basics 2024 — Foundational Guide (Archive)

Our foundational 2024 gym nutrition guide. Covers protein targets, pre/post-workout nutrition, and tracking tools. Recommends MyFitnessPal and Cronometer for macro tracking.

JC

James Cooper

Sports Nutritionist & Researcher · Updated June 9, 2024

Archive: This guide was originally published June 10, 2024. For our current guide, see Gym Nutrition for Beginners (current). Also: 2025 Update

Getting your nutrition right is the multiplier that determines whether your training produces results or just produces fatigue. This foundational guide covers the non-negotiable principles of gym nutrition that held true in 2024 and continue to hold true today.

Protein: The Foundation

In 2024, the research consensus on protein for resistance-trained individuals had settled at 1.6–2.2g per kilogram of body weight per day as the optimal range for muscle protein synthesis. The lower end is sufficient for most recreational lifters; the higher end is appropriate for advanced athletes in active build phases.

Protein timing matters less than total daily intake. Getting protein post-workout is beneficial, but the "anabolic window" is far wider than was once believed — within 2 hours is sufficient, and total protein for the day is the primary variable.

Pre-Workout Nutrition

The primary goal of pre-workout nutrition is to arrive at your training session fueled and without digestive discomfort. General protocol for a session 60–90 minutes after eating:

  • Carbohydrates — 30–60g of moderate GI carbs 60–90 minutes pre-workout
  • Protein — 20–30g of protein pre-workout (reduces muscle protein breakdown)
  • Fat — Minimal. Fat slows gastric emptying; large fat meals pre-workout cause GI distress during training.

Post-Workout Nutrition

The post-workout meal is the most important meal for muscle protein synthesis. Prioritize:

  • Protein — 30–40g of high-quality protein within 2 hours. Whey protein or equivalent leucine-rich source.
  • Carbohydrates — 1–1.5g/kg body weight for glycogen replenishment if training volume was high.

Tracking Your Nutrition in 2024

For tracking macros against your training goals in 2024, our recommendations were:

  • MyFitnessPal — Best all-around for gym-goers. Largest food database, excellent barcode scanning, strong integration with fitness wearables.
  • Cronometer — Best if you're tracking micronutrients alongside macros. All USDA-verified data, tracks 84 nutrients. Useful for athletes paying attention to iron, zinc, vitamin D, and other performance-relevant micronutrients.

Calorie Targets by Goal

Before tracking, you need a target. Our 2024 framework:

  • Fat loss (cut): TDEE minus 300–500 calories per day
  • Maintenance/recomposition: At TDEE
  • Muscle gain (bulk): TDEE plus 200–350 calories per day (lean bulk)