Spirulina, per 100 g: 290 kcal, 57.5 g protein, 23.9 g carbohydrate, 3.6 g fibre, 7.7 g fat. Figures are the USDA reference values for “Seaweed, spirulina, dried”.
At 100 g it reaches the EU threshold to be called a source of copper, riboflavin (b2), thiamine (b1), iron. The table below gives the full composition, and every claim listed underneath is quoted from the EU register rather than written by us.
High protein79% of the energy in this food is proteinSource of fibre3.6 g fibre per 100 gLow sugars3.1 g sugars per 100 g
Nutritional value per 100 g
| Nutrient | Per 100 g | % NRV |
|---|---|---|
| Energy and macronutrients | ||
| Energy | 290 kcal | |
| Protein | 57.5 g | |
| Fat | 7.72 g | |
| of which saturates | 2.65 g | |
| of which monounsaturates | 0.675 g | |
| of which polyunsaturates | 2.08 g | |
| Carbohydrate | 23.9 g | |
| of which sugars | 3.1 g | |
| Fibre | 3.6 g | |
| Water | 4.68 g | |
| Cholesterol | 0 mg | |
| Minerals | ||
| Calcium | 120 mg | 15% |
| Iron | 28.5 mg | 204% |
| Magnesium | 195 mg | 52% |
| Phosphorus | 118 mg | 16.9% |
| Potassium | 1,363 mg | 68.2% |
| Sodium | 1,048 mg | |
| Zinc | 2 mg | 20% |
| Copper | 6.1 mg | 610% |
| Manganese | 1.9 mg | 95% |
| Selenium | 7.2 µg | 13.1% |
| Vitamins | ||
| Vitamin A | 29 µg | 3.62% |
| Vitamin D | 0 µg | |
| Vitamin E | 5 mg | 41.7% |
| Vitamin K | 25.5 µg | 34% |
| Vitamin C | 10.1 mg | 12.6% |
| Thiamine (B1) | 2.38 mg | 216% |
| Riboflavin (B2) | 3.67 mg | 262% |
| Niacin (B3) | 12.8 mg | 80.1% |
| Pantothenic acid (B5) | 3.48 mg | 58% |
| Vitamin B6 | 0.364 mg | 26% |
| Folate | 94 µg | 47% |
| 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 Copper610% NRV per 100 g
- Copper contributes to normal energy-yielding metabolism
- Copper contributes to the protection of cells from oxidative stress
High in Riboflavin (B2)262% NRV per 100 g
- Riboflavin contributes to normal energy-yielding metabolism
- Riboflavin contributes to the maintenance of normal skin
High in Thiamine (B1)216% NRV per 100 g
- Thiamine contributes to normal energy-yielding metabolism
- Thiamine contributes to the normal function of the heart
High in Iron204% 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 Manganese95% NRV per 100 g
- Manganese contributes to normal energy-yielding metabolism
- Manganese contributes to the maintenance of normal bones
High in Niacin (B3)80.1% NRV per 100 g
- Niacin contributes to normal energy-yielding metabolism
- Niacin contributes to the maintenance of normal skin
High in Potassium68.2% NRV per 100 g
- Potassium contributes to normal muscle function
- Potassium contributes to the maintenance of normal blood pressure
High in Pantothenic acid (B5)58% NRV per 100 g
- Pantothenic acid contributes to normal energy-yielding metabolism
- Pantothenic acid contributes to normal mental performance
High in Magnesium52% NRV per 100 g
- Magnesium contributes to normal energy-yielding metabolism
- Magnesium contributes to normal muscle function
High in Folate47% NRV per 100 g
- Folate contributes to normal blood formation
- Folate has a role in the process of cell division
High in Vitamin E41.7% NRV per 100 g
- Vitamin E contributes to the protection of cells from oxidative stress
High in Vitamin K34% NRV per 100 g
- Vitamin K contributes to normal blood clotting
- Vitamin K contributes to the maintenance of normal bones
Source of Vitamin B626% NRV per 100 g
- Vitamin B6 contributes to normal energy-yielding metabolism
- Vitamin B6 contributes to normal homocysteine metabolism
Source of Zinc20% NRV per 100 g
- Zinc contributes to normal cognitive function
- Zinc contributes to the normal function of the immune system
Source of Phosphorus16.9% NRV per 100 g
- Phosphorus contributes to the maintenance of normal bones
- Phosphorus contributes to normal energy-yielding metabolism
Source of Calcium15% NRV per 100 g
- Calcium is needed for the maintenance of normal bones
- Calcium contributes to normal muscle function
High protein79.3% 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 Seaweed, spirulina, dried (FDC ID 170495). 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.