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EasyCalcs.in
Health & Fitness • 2026-07-24 • 20 min read (5+ Pages)

The Masterclass Guide to Human Metabolism: How Vikram Lost 14 kg of Fat Without Losing Muscle or Energy

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Act I • Real-Life Story

Vikram's Yo-Yo Diet Nightmare

At age 34, Vikram weighed 92 kg with a high body fat percentage, elevated blood sugar, and constant afternoon fatigue. Desperate for quick results, he started an extreme 800-calorie liquid crash diet. For 3 weeks, the scale dropped rapidly. But by week 4, his hair began thinning, his workout performance plummeted, and he felt constantly freezing. When he finally broke the diet, he binged and gained back 16 kg—ending up heavier than when he started.

Vikram’s mistake was fighting against human metabolic biology. Once he calculated his true Total Daily Energy Expenditure (TDEE) and maintained a moderate 400-calorie deficit with high protein intake, he melted 14 kg of pure abdominal fat in 6 months—while increasing his bench press strength!

Act II • Metabolic Science: The 4 Pillars of TDEE

Your body is not a static math equation; it is a dynamic biological adaptation machine. Your Total Daily Energy Expenditure (TDEE) consists of 4 distinct energy components:

1. Basal Metabolic Rate (BMR) — 60-70%

The baseline energy required to power your brain, heart, kidneys, liver, and cellular repair while sleeping motionless for 24 hours.

2. NEAT (Non-Exercise Activity) — 15-20%

Calories burned walking to the kitchen, standing at your desk, fidgeting, taking stairs, and daily movement.

3. TEF (Thermic Effect of Food) — 10%

Energy expanded digesting food. Protein requires 20-30% of its own calories just to digest, compared to 5% for carbs and 2% for fats!

4. EEE (Exercise Energy) — 5-10%

Calories burned during intentional gym workouts, running, or playing sports.

Calculate your personal numbers instantly:

Use our high-precision interactive tool for real-time results.

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Renjith Pillai

Senior Software Engineer & Network Specialist

Renjith Pillai is a senior software engineer and network technical specialist with over 12 years of experience in enterprise systems architecture and financial tools development. He founded EasyCalcs.in to provide high-precision, privacy-first technical tools and financial decision calculators for engineers, retail investors, and everyday users.