Research
Original nutrition research and data studies from Calvin. We analyze anonymized data from thousands of food logs to uncover actionable insights.
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From the Blog
How to Calculate Your TDEE (And Why It Actually Matters)
Your TDEE — total daily energy expenditure — is the most important number in your diet. Here's how to calculate it accurately, why most calculators get it wrong, and how to use it.
Macro Tracking for Beginners: Protein, Carbs, and Fats Made Simple
A simple, no-nonsense guide to macro tracking for beginners. Learn what protein, carbs, and fats actually do, how to set targets, and how to log them without losing your mind.
What Is a Calorie Deficit and How Big Should Yours Be?
A calorie deficit is required for fat loss—but how big should it be? Learn the science, the math, and how to set the right deficit for your goals and lifestyle.