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Spirulina capsule Calories
High-protein algae supplement
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
2 piece (small) of Spirulina capsule (1 g) has 3 calories. That works out to 290 calories per 100 g. It contains 0.2 g of carbs, 0.6 g of protein, 0.1 g of fat and 0 g of fiber. Its 0.1 mg of Copper covers 7% of the Daily Value. Its glycemic index is 5 (low), so it raises blood sugar slowly.
Spirulina capsule Nutrition Facts
Selected: 2 piece (small) · 1 g
3
KCAL / 1G
Carbs
0.2g
· 0% DV
Protein
0.6g
· 1% DV
Fat
0.1g
· 0% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 20% · Protein 59% · Fat 21%
Spirulina capsule nutrition facts table · 2 piece (small) (1 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 3 kcal | |
| Total fat | 0.1 g | 0% |
| Saturated fat | 0.03 g | 0% |
| Trans fat | 0 g | |
| Sodium | 10 mg | 0% |
| Total carbohydrate | 0.2 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 0.6 g | 1% |
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 2 Small Pieces of Spirulina capsule?
| Serving | Amount | Calories |
|---|---|---|
| 2 piece (small) | 1 g | 3 kcal |
| 1 piece (mini) | 0.5 g | 1 kcal |
| 4 piece (medium) | 2 g | 6 kcal |
| 1 serving (medium) | 2 g | 6 kcal |
| 6 piece (large) | 3 g | 9 kcal |
| 1 teaspoon (whole) | 3 g | 9 kcal |
| 8 piece (extra large) | 4 g | 12 kcal |
| 1 tablespoon (whole) | 7 g | 20 kcal |
| 100 g | 100 g | 290 kcal |
Calculated from 290 calories per 100 g.
Frequently Asked Questions About Spirulina capsule
What are spirulina capsules used for?
Spirulina capsules are a convenient way to take dried spirulina, a blue-green microalga. They provide protein and other nutrients, but they are not a treatment for disease and have not been shown to deliver a guaranteed health benefit on their own.
How should you take a spirulina capsule?
Take a spirulina capsule according to the directions on its label, usually swallowing it with water. Products can differ in concentration and serving size, so do not assume instructions for one brand apply to another or exceed the stated serving.
Do spirulina capsules help with weight loss?
No, spirulina capsules are not a proven weight-loss aid. Taking them has not been shown to cause meaningful weight loss by itself, and capsules cannot replace the eating and activity habits that support weight management.
What are the side effects of spirulina capsules?
Spirulina capsules can cause digestive symptoms such as nausea, abdominal discomfort, or diarrhea in some people. Contamination is another concern with algae supplements, so choose products with credible quality testing rather than assuming every capsule is pure.
When is the best time to take a spirulina capsule?
There is no established best time to take a spirulina capsule. You can take it at a time that fits your routine; if it upsets your stomach, try taking it with food and follow any timing instructions on the product label.
Can you take spirulina capsules during pregnancy?
Ask your healthcare professional before using spirulina capsules during pregnancy. Safety information in pregnancy is limited, and supplements can vary in quality and contamination risk, so do not start one on your own.
Do spirulina capsules provide vitamin B12?
No, spirulina capsules are not a reliable source of active vitamin B12. They may contain B12-like compounds that the body cannot use as a dependable substitute, so do not rely on spirulina to meet your B12 needs.
Are spirulina capsules the same as chlorella capsules?
No, spirulina and chlorella are different microalgae with different compositions and cell structures. A spirulina capsule contains spirulina, while a chlorella capsule contains another alga; they should not be treated as interchangeable supplements.
Are spirulina capsules better than spirulina powder?
Neither form is automatically better; both provide spirulina, but they are used differently. Capsules can make the strong taste easier to avoid, while powder mixes into drinks or food; compare the ingredient list and serving instructions.
How can you choose a quality spirulina capsule?
Choose spirulina capsules from a traceable manufacturer that provides credible testing for contaminants, including heavy metals and microbes. Check that the label identifies the ingredients and serving directions clearly; an algae supplement should not be assumed safe just because it is natural.
Spirulina capsule Vitamins & Minerals
Vitamins
B2
0.04mg · 3% DV
B1
0.02mg · 2% DV
B3
0.13mg · 1% DV
B5
0.04mg · 1% DV
Minerals
Copper
0.06mg · 7% DV
Phosphorus
12mg · 2% DV
Iron
0.29mg · 2% DV
Manganese
0.02mg · 1% DV
Sodium
10mg · 0% DV
Potassium ⭐
14mg · 0% DV
Spirulina capsule Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Spirulina capsule
To burn the 3 calories in 2 piece (small) (1 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Spirulina capsule?
A Spirulina capsule contains dried spirulina, a blue-green microalga, in a convenient supplement form rather than as a prepared dish. Because the contents are enclosed, its earthy, sea-like flavour is less noticeable than it is in spirulina powder. People commonly swallow the capsule with water, at breakfast or another point in the day, following the directions on the product label; it is not a substitute for a meal. Spirulina is protein-rich by weight, but the amount in a small capsule serving is limited, so it is better viewed as a supplement than as a main protein source. Taking it with water keeps the routine simple alongside a varied diet.
How Nutritious Is Spirulina capsule?
Nutrient density
Very high
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
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 Spirulina capsule 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 Spirulina capsule Contain Allergens?
No known major allergens
Which Diets Is Spirulina capsule 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
Spirulina capsule Fat Profile
SATURATED
0.03g
MONOUNSATURATED
0.01g
POLYUNSATURATED
0.02g
Omega 6:3 ratio 1:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.