Orange
Whole oranges have fiber that juice removes, keeping the response gentle.
FatTonic Facts
Orange · per serving 1 medium (130g)
Excellent · strongly supports fat-burning
| Factor | Amount | Points |
|---|---|---|
| Start | 100.0 | |
| Glycemic load | 5 | −11.0 |
| Sugar (g) | 12 | −9.6 |
| Processing | whole | 0.0 |
| Fiber (g) | 3 | +4.8 |
| Protein (g) | 1 | +0.7 |
| Glycemic index | 43 | |
| Carbs (g) | 15 | |
| Fat (g) | 0 |
Score model v1
Nutrients: USDA FoodData Central, record 169097 (Oranges, raw, all commercial varieties), public domain, checked 2 Oct 2026.
Glycemic index: per-food source not yet recorded.
Per 100 g (USDA record; serving 130 g): carbs 11.8, sugar 9.4, fiber 2.4, protein 0.9, fat 0.1 g.
What this means for fat-burning
Why this score: glycemic load 5 set it, −11.0 points. Source: USDA FoodData Central, FDC 169097.
See how your whole day scores — free Metabolic Score →This food and 199 more, scored on your phone.
Among the 200 rated foods
Orange scores 85, rated Excellent. It scores higher than 63% 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 orange spike insulin?
Glycemic load 5 for 1 medium (130g); FatTonic Score 85/100 — it strongly supports fat-burning.
Is orange good for fat loss?
Excellent (85/100): orange strongly supports fat-burning.