Kaizen FitnessKaizen Fitness

Guides

Training and nutrition guides

Clear, practical articles you can read in one sitting. Each guide focuses on real-world decisions you make in the gym or in the kitchen, with simple examples you can use immediately.

Featured ToolInteractive

One Rep Max Calculator

Estimate your 1RM without testing it. Input any weight and reps to calculate your max, then get a full percentage chart for planning your training.

Try the Calculator

Strength training

Guides covering programming, effort management, recovery, and tracking for effective strength training.

Nutrition and meal planning

Practical guides for eating to support your training goals without overcomplicating your diet.

Tools and calculators

Interactive calculators and explanations of common fitness calculations for your training.