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A small mound of vivid blue spirulina powder, finely ground with a soft, matte texture and a few tiny clumps.
●Low GI
⚡High Potassium
💪High Protein

Blue spirulina Calories

High-protein algae-derived powder rich in phycocyanin

CALORIES · 100 G

350kcal

GI

15low

POTASSIUM · 100 G

1360mg

FIBER · 100 G

4g

Quick answer

1 teaspoon (small) of Blue spirulina (3 g) has 11 calories. That works out to 350 calories per 100 g. It contains 0.7 g of carbs, 1.7 g of protein, 0.2 g of fat and 0.1 g of fiber. Its 0.1 mg of B2 covers 9% of the Daily Value. Its glycemic index is 15 (low), so it raises blood sugar slowly.

Blue spirulina Nutrition Facts

Selected: 1 teaspoon (small) · 3 g

11

KCAL / 3G

Carbs

0.7g

· 0% DV

Protein

1.7g

· 3% DV

Fat

0.2g

· 0% DV

Fiber

0.1g

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 25% · Protein 60% · Fat 15%

Blue spirulina nutrition facts table · 1 teaspoon (small) (3 g)

NutrientAmount% DV
Calories11 kcal
Total fat0.2 g0%
Saturated fat0.08 g0%
Trans fat0 g
Sodium31 mg1%
Total carbohydrate0.7 g0%
Fiber0.1 g0%
Protein1.7 g3%

Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.

Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.

Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.

Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.

Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.

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How Many Calories in 1 Small Teaspoon of Blue spirulina?

ServingAmountCalories
1 teaspoon (small)3 g11 kcal
1 teaspoon (extra small)2 g7 kcal
1 pack (mini)3 g11 kcal
1 serving (medium)5 g18 kcal
1 tablespoon (medium)7 g25 kcal
1 serving (large)10 g35 kcal
1 pack (small)10 g35 kcal
2 tablespoon (double)14 g49 kcal
100 g100 g350 kcal

Calculated from 350 calories per 100 g.

Frequently Asked Questions About Blue spirulina

What is Blue spirulina?

Blue spirulina is a blue powder made from phycocyanin, the pigment extracted from spirulina algae. Unlike green spirulina powder, it commonly contains the blue pigment-rich portion rather than the whole dried algae.

What are the benefits of Blue spirulina?

Blue spirulina provides phycocyanin, but it has not been shown to prevent or cure a particular disease. Its clearest everyday use is adding a vivid blue color to foods and drinks, rather than delivering a proven treatment effect.

How do you use Blue spirulina powder?

Stir Blue spirulina into smoothies, yogurt, oatmeal, or desserts. For fewer clumps, first mix the powder with a small splash of liquid to make a smooth paste, then blend or stir it into the rest of the recipe.

What is the difference between Blue spirulina and green spirulina?

Blue spirulina is usually a phycocyanin-rich extract from spirulina, while green spirulina is typically the whole dried algae. They differ in color, flavor, and the range of algae components they contain.

What does Blue spirulina taste like?

Blue spirulina usually has a mild, fairly neutral taste, with less of the seaweed-like flavor associated with green spirulina. The flavor can still come through in a lightly flavored drink, so start with a small amount.

How do you make a Blue spirulina smoothie?

Blend Blue spirulina with banana and yogurt or a milk of your choice for a simple smoothie. Pale-colored ingredients show off the blue more clearly, while acidic fruits can shift the color toward purple.

Does heat make Blue spirulina lose its color?

Yes, high heat can fade the blue color because phycocyanin is sensitive to heat. Add Blue spirulina after a drink or dish has cooled a little, and avoid boiling it if you want to keep its bright color.

Can you take Blue spirulina every day?

Blue spirulina can be used daily as a food ingredient when you follow the product’s serving guidance. Products vary in concentration, and there is no single established daily dose that applies to every Blue spirulina powder.

Is Blue spirulina safe during pregnancy?

Ask your obstetrician or dietitian before using Blue spirulina during pregnancy. Product purity and ingredients vary, and whether a concentrated algae-derived product is appropriate depends on your individual health and pregnancy.

How should you store Blue spirulina powder?

Keep Blue spirulina tightly sealed in a cool, dry place away from direct light. Moisture and sunlight can affect its color and quality, so use a dry spoon and close the package promptly after each use.

Blue spirulina Vitamins & Minerals

Vitamins

B2

0.11mg · 8% DV

B1

0.07mg · 6% DV

B12

0.08µg · 3% DV

B3

0.38mg · 2% DV

Minerals

Phosphorus

35mg · 5% DV

Iron

0.86mg · 5% DV

Manganese

0.06mg · 3% DV

Copper

0.02mg · 2% DV

Sodium

31mg · 1% DV

Potassium ⭐

41mg · 1% DV

Blue spirulina Glycemic Index

GLYCEMIC INDEX

15
Low
0 Low5570100

GLYCEMIC LOAD

0
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Blue spirulina

To burn the 11 calories in 1 teaspoon (small) (3 g):

🚶

3min

Walking (5 km/h)

🏃

1min

Running (8 km/h)

🚴

1min

Cycling

🏊

1min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Blue spirulina?

Blue spirulina is a vivid blue powder made from phycocyanin, the pigment extracted from blue-green spirulina algae. Unlike whole green spirulina, it is usually chosen for its colour and has a comparatively mild, unobtrusive taste. Stir it into smoothies, yoghurt, porridge or dessert mixtures; it is used around the world to give drinks and bowls a bright blue hue.

It is protein-rich by weight, but a typical serving is only about 3 g, so it contributes much less protein than the per-100-g figure might suggest. Pair it with banana, berries or yoghurt, and begin with a small amount if you want colour without changing the flavour much.

How Nutritious Is Blue spirulina?

Nutrient density

Very high

88/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

55/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Is Blue spirulina Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Blue spirulina Contain Allergens?

No known major allergens

Gluten free
Dairy free
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Blue spirulina Good For?

Vegan

✓ Suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

✓ Suitable

Low FODMAP

— Not suitable

Blue spirulina Fat Profile

SATURATED

0.08g

MONOUNSATURATED

0.02g

POLYUNSATURATED

0.07g

⚖️

Omega 6:3 ratio 2.5:1

Below the ideal 4:1 — a good omega balance.

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🌯

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Nutrition data compiled from USDA FoodData Central and scientific sources.