Nutrition Guides
Evidence-based guides that explain the nutrition concepts behind our calculators. Whether you are learning the basics or dialling in advanced strategies, each guide gives you the research-backed knowledge to make better decisions about your diet.
Browse by Topic
Calories & Energy
Understand BMR, TDEE, calorie deficits and surpluses, energy expenditure from activity, and the fundamentals of body composition.
6 guides →Macro Distribution
Learn how protein, carbohydrates, and fats work, how much of each you need, and how to set a macro ratio that fits your goals.
6 guides →Goal-Based
Guides on weight loss, muscle gain, body recomposition, and goal-specific nutrition strategies.
6 guides →Advanced Strategy
In-depth guides on reverse dieting, carb cycling, refeed days, metabolic adaptation, and other expert protocols.
6 guides →Meal Planning & Execution
Guides on structuring meals, weekly planning, meal prep, portion sizes, and nutrient timing.
6 guides →Health & Special Diets
Guides on intermittent fasting, plant-based nutrition, diabetic nutrition, heart health, and pregnancy.
6 guides →