Glazed Doughnut
Refined flour plus sugar plus frying: a classic high-glycemic, highly processed insulin spike.
FatTonic Facts
Glazed Doughnut · per serving 1 doughnut (60g)
Poor · works against fat-burning
| Factor | Amount | Points |
|---|---|---|
| Start | 100.0 | |
| Glycemic load | 21 | −46.2 |
| Sugar (g) | 14 | −11.2 |
| Processing | ultra-processed | −24.0 |
| Fiber (g) | 1 | +1.6 |
| Protein (g) | 3 | +2.1 |
| Glycemic index | no published test found | |
| Carbs (g) | 29 | |
| Fat (g) | 14 |
Score model v1
Nutrients: USDA FoodData Central, record 172758 (Doughnuts, yeast-leavened, glazed, enriched (includes honey buns)), public domain, checked 2 Oct 2026.
Glycemic index: no published test found. Searched 28 Oct 2026 in Atkinson et al., International Tables of Glycemic Index and Glycemic Load Values: 2008: the only doughnut is a Chinese deep-fried wheat dough (no. 13), not a glazed yeast doughnut. The score still uses 76, a value with no recorded source, until a test is found.
Per 100 g (USDA record; serving 60 g): carbs 47.9, sugar 22.8, fiber 2.1, protein 6.1, fat 22.7 g.
What this means for fat-burning
Why this score: glycemic load 21 set it, −46.2 points. Source: USDA FoodData Central, FDC 172758.
Being ultra-processed, it is also easy to overeat.
See how your whole day scores — free Metabolic Score →This food and 199 more, scored on your phone.
Among the 200 rated foods
Glazed Doughnut scores 22, rated Poor. It scores higher than 7% 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 glazed doughnut spike insulin?
Glycemic load 21 for 1 doughnut (60g); FatTonic Score 22/100 — it works against fat-burning.
Is glazed doughnut good for fat loss?
Poor (22/100): glazed doughnut works against fat-burning.