Chicken Breast
Zero carbs and high protein; strongly supports satiety and lean mass.
FatTonic Facts
Chicken Breast · per serving 100g cooked
Excellent · strongly supports fat-burning
| Factor | Amount | Points |
|---|---|---|
| Start | 100.0 | |
| Glycemic load | 0 | 0.0 |
| Sugar (g) | 0 | 0.0 |
| Processing | whole | 0.0 |
| Fiber (g) | 0 | 0.0 |
| Protein (g) | 31 | +21.7 |
| Capped at 100 | raw 121.7 | = 100 |
| Glycemic index | not tested | |
| Carbs (g) | 0 | |
| Fat (g) | 4 |
Score model v1
Nutrients: USDA FoodData Central, record 171477 (Chicken, broilers or fryers, breast, meat only, cooked, roasted), public domain, checked 2 Oct 2026.
Glycemic index: not tested — too little carbohydrate to test (University of Sydney GI FAQ); the score assumes 0.
Per 100 g (USDA record; serving 100 g): carbs 0, sugar 0, fiber 0, protein 31, fat 3.6 g.
What this means for fat-burning
Why this score: protein 31 g set it, +21.7 points. Source: USDA FoodData Central, FDC 171477.
Its protein content supports satiety and helps preserve muscle while you lose fat.
See how your whole day scores — free Metabolic Score →This food and 199 more, scored on your phone.
Among the 200 rated foods
Chicken Breast scores 100, rated Excellent. It scores higher than 75% of the 200 rated foods.
Rated foods per band: Avoid 0–19: 11; Poor 20–39: 23; Moderate 40–59: 34; Good 60–79: 45; Excellent 80–100: 87.
Frequently asked questions
Does chicken breast spike insulin?
Glycemic load 0 for 100g cooked; FatTonic Score 100/100 — it strongly supports fat-burning.
Is chicken breast good for fat loss?
Excellent (100/100): chicken breast strongly supports fat-burning.
Better in protein
Chicken Breast ties for the best in protein on this index.