Fitness & Nutrition Guides

Evidence-based articles to help you understand TDEE, macros, BMI, and achieve your health goals with scientific precision.

All Articles

Activity18 min read

Activity Level Multipliers: Calculate Your True TDEE

Master activity factors from sedentary to athlete with step counting, MET values, and weekly exercise calculations.

Weight Loss20 min read

Caloric Deficit Calculator: Safe Weight Loss Guide

Calculate safe deficits, break plateaus, and prevent metabolic adaptation with evidence-based strategies.

Muscle Building14 min read

Lean Mass Calculator: Natural Muscle Building Limits

Discover your genetic potential with FFMI calculations, training protocols, and realistic muscle gain timelines.

Special Cases16 min read

TDEE for Pregnancy, Teens & Seniors

Special calorie calculations for pregnancy, breastfeeding, adolescent growth, and age-related metabolic changes.

Recovery13 min read

Reverse Dieting: Metabolic Recovery Guide

Restore metabolism after dieting with weekly increase protocols, hormone recovery timelines, and tracking tools.

Recomposition17 min read

Body Recomposition: Lose Fat & Build Muscle

Simultaneous fat loss and muscle gain strategies with calorie cycling, training periodization, and progress tracking.

Optimization11 min read

TDEE Accuracy: Tracking & Troubleshooting

Fine-tune your calorie calculations with error margins, adjustment protocols, and plateau troubleshooting.

Weight Loss22 min read

Breaking Weight Loss Plateaus: Complete Strategy Guide

Comprehensive protocols to break weight loss plateaus with metabolic adaptation strategies and refeed protocols.

Sports24 min read

TDEE for Athletes: Sports Performance Nutrition Guide

Sport-specific TDEE calculations, periodization nutrition, and performance optimization for competitive athletes.

Recovery23 min read

Metabolic Adaptation & Diet Breaks: Complete Recovery Guide

Science of metabolic adaptation, diet break protocols, and hormonal recovery strategies for long-term success.

Meal Planning21 min read

TDEE-Based Meal Planning: Complete Nutrition Guide

Transform your TDEE into practical meal plans with prep strategies, sample plans, and shopping guides.

Advanced20 min read

Calorie Cycling & Refeed Days: Strategic Fat Loss Guide

Advanced fat loss strategies with calorie cycling protocols, refeed timing, and metabolic optimization.

Calculators22 min read

BMR Calculator: Basal Metabolic Rate Complete Guide

Calculate your baseline calorie burn at rest with formulas, factors affecting BMR, and strategies to optimize metabolism.

Muscle Building24 min read

Bulking Calculator: Complete Muscle Building Guide

Strategic weight gain for maximum muscle growth with calorie surplus calculations, macro splits, and lean bulk protocols.

Fat Loss23 min read

Cutting Calculator: Complete Fat Loss Guide

Create effective cutting plans with deficit calculations, muscle preservation strategies, and body recomposition protocols.

Body Composition21 min read

Body Fat Percentage Calculator: Complete Measurement Guide

Accurately measure and track body composition with multiple methods, visual guides, and health standards by age and gender.

Macronutrients20 min read

Protein Intake Calculator: Complete Nutrition Guide

Optimize protein intake for your goals with calculations by weight, activity level, and special dietary considerations.

Hydration19 min read

Water Intake Calculator: Complete Hydration Guide

Calculate optimal daily water intake based on weight, activity, climate, and health factors with hydration strategies.