Online speculation about whether a physique is natural is usually inaccurate because real proof requires blood work. True natural progress develops over years, with a Fat-Free Mass Index (FFMI) near 25 serving as a general natural limit. Individuals should focus on measuring their own personal progress rather than comparing themselves to others.
Can you tell who is natty?1. Most people guess wrong. Natty or not is a comment section sport. Nobody in there ran blood work.2. The real tell is the clock. Most natty gains take five plus years. Overnight size is the actual flag.3. FFMI around 25 is the ceiling. It is a rough guide, not a law. A few outliers go past it clean.4. Comparing costs you progress. You cannot see their sleep or their decade. You can only beat your own last photo.See your own FFMI before you guess theirs. 8:01. FFMI. Done. Your ffmi is Excellent. 23.0. Below Avg 0–18. Average 18–20. Above Avg 20–23. Excellent >23. What is FFMI? FFMI measures your lean (fat-free) mass relative to height, giving a more accurate picture of muscularity than BMI alone. Why does FFMI matter? FFMI helps you track muscular development independent of body fat changes. It's particularly useful during body recomposition when your weight may stay the same but your muscle-to-fat ratio is improving. Disclaimer: FFMi relies on body fat estimates which may vary. Use this as a directional indicator rather than a precise measurement. Values above 25 are extremely rare naturally. Source
Like the comics? The app does the tracking.
GainFrame turns progress photos into body fat estimates, muscle scores, and honest trend lines — the stuff these comics keep nagging you about. Free to start on iOS.
