Flaxseed, per 100 g: 534 kcal, 18.3 g protein, 28.9 g carbohydrate, 27.3 g fibre, 42.2 g fat. Figures are the USDA reference values for “Seeds, flaxseed”.
At 100 g it reaches the EU threshold to be called a source of thiamine (b1), manganese, copper, magnesium. The table below gives the full composition, and every claim listed underneath is quoted from the EU register rather than written by us.
Source of protein14% of the energy in this food is proteinHigh fibre27.3 g fibre per 100 gLow sugars1.6 g sugars per 100 gVery low sodium30 mg sodium per 100 g
Nutritional value per 100 g
| Nutrient | Per 100 g | % NRV |
|---|---|---|
| Energy and macronutrients | ||
| Energy | 534 kcal | |
| Protein | 18.3 g | |
| Fat | 42.2 g | |
| of which saturates | 3.66 g | |
| of which monounsaturates | 7.53 g | |
| of which polyunsaturates | 28.7 g | |
| Carbohydrate | 28.9 g | |
| of which sugars | 1.55 g | |
| Fibre | 27.3 g | |
| Water | 6.96 g | |
| Cholesterol | 0 mg | |
| Minerals | ||
| Calcium | 255 mg | 31.9% |
| Iron | 5.73 mg | 40.9% |
| Magnesium | 392 mg | 105% |
| Phosphorus | 642 mg | 91.7% |
| Potassium | 813 mg | 40.7% |
| Sodium | 30 mg | |
| Zinc | 4.34 mg | 43.4% |
| Copper | 1.22 mg | 122% |
| Manganese | 2.48 mg | 124% |
| Selenium | 25.4 µg | 46.2% |
| Vitamins | ||
| Vitamin A | 0 µg | |
| Vitamin D | 0 µg | |
| Vitamin E | 0.31 mg | 2.58% |
| Vitamin K | 4.3 µg | 5.73% |
| Vitamin C | 0.6 mg | 0.75% |
| Thiamine (B1) | 1.64 mg | 149% |
| Riboflavin (B2) | 0.161 mg | 11.5% |
| Niacin (B3) | 3.08 mg | 19.3% |
| Pantothenic acid (B5) | 0.985 mg | 16.4% |
| Vitamin B6 | 0.473 mg | 33.8% |
| Folate | 87 µg | 43.5% |
| Vitamin B12 | 0 µg | |
% NRV is the nutrient reference value for an average adult, as set in Annex XIII of Regulation (EU) 1169/2011. A blank cell means no reference value is defined for that nutrient, not that it is unimportant.
What this food is a source of
This food reaches the legal threshold for the claims below. The wording is quoted exactly from the EU register of authorised health claims — we have not written or paraphrased any of it.
High in Thiamine (B1)149% NRV per 100 g
- Thiamine contributes to normal energy-yielding metabolism
- Thiamine contributes to the normal function of the heart
High in Manganese124% NRV per 100 g
- Manganese contributes to normal energy-yielding metabolism
- Manganese contributes to the maintenance of normal bones
High in Copper122% NRV per 100 g
- Copper contributes to normal energy-yielding metabolism
- Copper contributes to the protection of cells from oxidative stress
High in Magnesium105% NRV per 100 g
- Magnesium contributes to normal energy-yielding metabolism
- Magnesium contributes to normal muscle function
High in Phosphorus91.7% NRV per 100 g
- Phosphorus contributes to the maintenance of normal bones
- Phosphorus contributes to normal energy-yielding metabolism
High in Selenium46.2% NRV per 100 g
- Selenium contributes to the normal function of the immune system
- Selenium contributes to the protection of cells from oxidative stress
High in Folate43.5% NRV per 100 g
- Folate contributes to normal blood formation
- Folate has a role in the process of cell division
High in Zinc43.4% NRV per 100 g
- Zinc contributes to normal cognitive function
- Zinc contributes to the normal function of the immune system
High in Iron40.9% NRV per 100 g
- Iron contributes to normal formation of red blood cells and haemoglobin
- Iron contributes to the reduction of tiredness and fatigue
High in Potassium40.7% NRV per 100 g
- Potassium contributes to normal muscle function
- Potassium contributes to the maintenance of normal blood pressure
High in Vitamin B633.8% NRV per 100 g
- Vitamin B6 contributes to normal energy-yielding metabolism
- Vitamin B6 contributes to normal homocysteine metabolism
High in Calcium31.9% NRV per 100 g
- Calcium is needed for the maintenance of normal bones
- Calcium contributes to normal muscle function
Source of Niacin (B3)19.3% NRV per 100 g
- Niacin contributes to normal energy-yielding metabolism
- Niacin contributes to the maintenance of normal skin
Source of Pantothenic acid (B5)16.4% NRV per 100 g
- Pantothenic acid contributes to normal energy-yielding metabolism
- Pantothenic acid contributes to normal mental performance
Source of protein13.7% of energy from protein
- Protein contributes to a growth in muscle mass
- Protein contributes to the maintenance of muscle mass
Where these numbers come from. Composition data: USDA FoodData Central, SR Legacy release, entry Seeds, flaxseed (FDC ID 169414). Values are per 100 g of the food as described, and real foods vary with variety, season, soil, storage and cooking. Claim thresholds: Regulation (EC) 1924/2006. Claim wording: Regulation (EU) 432/2012.
This is reference information, not personal advice. Nutrient content is one small part of a diet, and no single food prevents or treats disease. If you are pregnant, managing a medical condition, or taking medication — particularly anticoagulants, thyroid medication or immunosuppressants, where diet can interact — ask your doctor or pharmacist before making changes.