Flaxseed (Ground)
Nearly all of its carbohydrate is fiber, so the net carbohydrate is close to zero; grinding is what makes it digestible.
FatTonic Facts
Flaxseed (Ground) · per serving 2 tbsp (14g)
Excellent · strongly supports fat-burning
| Factor | Amount | Points |
|---|---|---|
| Start | 100.0 | |
| Glycemic load | 0 | 0.0 |
| Sugar (g) | 0 | 0.0 |
| Processing | minimal | −8.0 |
| Fiber (g) | 4 | +6.4 |
| Protein (g) | 3 | +2.1 |
| Glycemic index | not tested | |
| Carbs (g) | 4 | |
| Fat (g) | 6 |
Score model v1
Nutrients: USDA FoodData Central, record 169414 (Seeds, flaxseed), 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 14 g): carbs 28.9, sugar 1.6, fiber 27.3, protein 18.3, fat 42.2 g.
What this means for fat-burning
Why this score: processing (minimal) set it, −8.0 points. Source: USDA FoodData Central, FDC 169414.
The fiber slows digestion and blunts the insulin response.
See how your whole day scores — free Metabolic Score →This food and 199 more, scored on your phone.
Among the 200 rated foods
Flaxseed (Ground) 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 flaxseed (ground) spike insulin?
Glycemic load 0 for 2 tbsp (14g); FatTonic Score 100/100 — it strongly supports fat-burning.
Is flaxseed (ground) good for fat loss?
Excellent (100/100): flaxseed (ground) strongly supports fat-burning.
Better in nuts & seeds
Flaxseed (Ground) ties for the best in nuts & seeds on this index.