Skip to main content
Menu

Home › Calories › Fruit & Vegetables › Spirulina (dried powder)

Spirulina (dried powder) Calories & Nutrition Facts

Spirulina (dried powder) contains 290 kcal per 100g, with 57.5g of protein, 23.9g of carbohydrates, and 7.7g of fat. It is high in protein. A vegan-friendly option.

  • Allergens: None of the major allergens
  • Dietary: Halal, Kosher, Vegan, Vegetarian
  • Key Micronutrients (per 100g): Iron 28.50mg, Calcium 120.0mg, Vitamin C 10.1mg
Food Calorie Calculator

UK nutrition data · FSA traffic lights · Reference Intakes

Type at least 2 characters to search from our UK foods database

Nutritional Overview

Spirulina (dried powder) is a natural whole food enjoyed worldwide as part of a balanced diet. Per 100g serving, it provides 290 kcal of energy, 57.5g of protein, 23.9g of carbohydrates, and 7.7g of fat.

It is a good source of protein, providing 57.5g per 100g (around 79% of its energy), approximately 115% of the UK Reference Nutrient Intake of 50g per day. Under UK/EU nutrition-claim rules, that meets the "high protein" threshold of at least 20% of energy from protein. Protein plays a key role in muscle repair, immune function, and keeping you feeling full for longer.

With only 3.1g of sugar per 100g, it meets the UK/EU "low sugar" nutrition-claim threshold. This makes it a suitable choice for those reducing their sugar intake as part of a balanced diet.

This food is a useful source of iron, providing 28.5mg per 100g. The UK recommended intake is 8.7mg for men and 14.8mg for women per day. Iron is essential for producing haemoglobin, which carries oxygen in the blood. Low iron intake is the most common nutritional deficiency in the UK.

With 120mg of calcium per 100g, it contributes meaningfully to daily calcium needs (the UK recommendation is 700mg for adults). Calcium is vital for maintaining strong bones and teeth, as well as supporting normal muscle and nerve function.

It contains 10.1mg of vitamin C per 100g. The UK recommended daily intake is 40mg. Vitamin C is an antioxidant that supports immune function, skin health, wound healing, and enhances the absorption of non-haeme iron from plant-based foods.

Spirulina (dried powder) is suitable for vegan, halal and kosher diets, making it a versatile choice for households with mixed dietary requirements. Spirulina (dried powder) comes in at 290 kcal per 100g. Our nutrition estimator adds it straight into your running daily total.

Frequently Asked Questions

How many calories are in Spirulina (dried powder)?

Spirulina (dried powder) contains 290 kcal per 100g, which is approximately 15% of the recommended daily intake of 2,000 kcal for an average adult.

Is Spirulina (dried powder) high in protein?

Yes, Spirulina (dried powder) provides 57.5g of protein per 100g (around 79% of its energy), meeting the UK/EU "high protein" nutrition-claim threshold of at least 20% of energy from protein. The UK Reference Nutrient Intake for protein is around 50g per day for adults. A 100g serving of Spirulina (dried powder) provides 115% of this.

Is Spirulina (dried powder) low in sugar?

Yes, Spirulina (dried powder) has only 3.1g of sugar per 100g, meeting the UK/EU "low sugar" nutrition-claim threshold.

Is Spirulina (dried powder) high in salt?

Spirulina (dried powder) contains 2.00g of salt per 100g, which the FSA classifies as high (above 1.5g per 100g). The recommended daily maximum for adults is 6g. A 100g serving provides 33% of this.

Is Spirulina (dried powder) suitable for vegans?

Yes, Spirulina (dried powder) is suitable for a vegan diet as it contains no animal-derived ingredients. It provides 290 kcal and 57.5g of protein per 100g.

Is Spirulina (dried powder) halal?

Yes, Spirulina (dried powder) is considered halal. However, preparation methods and cross-contamination may vary, so always verify with the specific brand or supplier.

Is Spirulina (dried powder) free from major allergens?

Spirulina (dried powder) does not contain any of the 14 major allergens recognised under UK food law. However, cross-contamination during manufacturing is always possible; always check the packaging for 'may contain' warnings.

Is Spirulina (dried powder) a good source of iron?

Spirulina (dried powder) contains 28.50mg of iron per 100g. The UK recommended daily intake is 8.7mg for men and 14.8mg for women. Iron is essential for red blood cell production and preventing anaemia.

Is Spirulina (dried powder) a good source of calcium?

Spirulina (dried powder) provides 120mg of calcium per 100g. The UK recommended daily intake is 700mg for adults. Calcium is vital for strong bones, teeth, and muscle function.

Is Spirulina (dried powder) rich in vitamin C?

Yes, Spirulina (dried powder) contains 10.1mg of vitamin C per 100g. The UK recommended daily intake is 40mg. Vitamin C supports immune function, skin health, and iron absorption.

Sources & References

  1. British Nutrition Foundation — UK nutrition science and education
  2. McCance & Widdowson's Composition of Foods — UK food composition tables
  3. USDA FoodData Central — US Department of Agriculture food composition database
  4. NHS Eat Well — UK National Health Service dietary guidance
  5. British Heart Foundation — heart-healthy eating advice and dietary guidance

Nutritional values are per 100g unless otherwise stated and are provided for general information only. Not a substitute for professional dietary or medical advice. If you have a health condition, allergy, or are pregnant, consult a qualified healthcare professional. Values may vary depending on brand, preparation method, and serving size.

Lower Calorie Alternatives

Real foods in the same category with meaningfully fewer calories than Spirulina (dried powder) (290 kcal per 100g). Tap one to compare them side by side.

Related Foods