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Spirulina Tablet Calories
High protein, rich in vitamins and minerals, antioxidant
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
2 piece (medium) of Spirulina Tablet (2 g) has 6 calories. That works out to 290 calories per 100 g. It contains 0.5 g of carbs, 1.2 g of protein, 0.2 g of fat and 0.1 g of fiber. Its 0.1 mg of B2 covers 6% of the Daily Value. Its glycemic index is 30 (low), so it raises blood sugar slowly.
Spirulina Tablet Nutrition Facts
Selected: 2 piece (medium) · 2 g
6
KCAL / 2G
Carbs
0.5g
· 0% DV
Protein
1.2g
· 2% 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 23% · Protein 56% · Fat 21%
Spirulina Tablet nutrition facts table · 2 piece (medium) (2 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 6 kcal | |
| Total fat | 0.2 g | 0% |
| Saturated fat | 0.05 g | 0% |
| Trans fat | 0 g | |
| Sodium | 21 mg | 1% |
| Total carbohydrate | 0.5 g | 0% |
| Fiber | 0.1 g | 0% |
| Protein | 1.2 g | 2% |
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 Pieces of Spirulina Tablet?
| Serving | Amount | Calories |
|---|---|---|
| 2 piece (medium) | 2 g | 6 kcal |
| 1 piece (small) | 1 g | 3 kcal |
| 1 teaspoon (small) | 2 g | 6 kcal |
| 3 piece (large) | 3 g | 9 kcal |
| 5 piece (jumbo) | 5 g | 15 kcal |
| 1 tablespoon (medium) | 6 g | 17 kcal |
| 10 piece (extra large) | 10 g | 29 kcal |
| 1 pack (whole) | 50 g | 145 kcal |
| 100 g | 100 g | 290 kcal |
Calculated from 290 calories per 100 g.
Frequently Asked Questions About Spirulina Tablet
What are spirulina tablets used for?
Spirulina tablets are dietary supplements made from nutrient-rich spirulina. People use them to add spirulina to their diet, but they are not proven to prevent or treat disease.
How should you take spirulina tablets?
Swallow spirulina tablets with water and follow the directions on the product label. Tablet strength varies between brands, so the number of tablets used for one product may not suit another.
Do spirulina tablets help with weight loss?
No, spirulina tablets are not proven to cause weight loss on their own. They should not replace meals or established weight-management habits, and taking them does not guarantee a change in body weight.
What are the side effects of spirulina tablets?
Spirulina tablets can cause digestive symptoms such as nausea, stomach discomfort, or diarrhea in some people. Product quality matters too, since poorly controlled products may be contaminated.
How many spirulina tablets should you take a day?
A typical serving is two medium spirulina tablets, about 2 grams. Tablet sizes and concentrations vary, so use the serving directions for your own product rather than treating that amount as a universal dose.
Can you take spirulina tablets on an empty stomach?
Yes, spirulina tablets can be taken on an empty stomach. If they cause nausea or stomach discomfort, taking them with food may be easier; there is no established special benefit to taking them before eating.
Are spirulina tablets safe during pregnancy?
Safety during pregnancy has not been established well enough to recommend spirulina tablets routinely. Because product purity can vary, ask your prenatal healthcare professional before using them.
Do spirulina tablets provide vitamin B12?
Spirulina tablets are not a reliable source of vitamin B12. Much of the B12-like material in spirulina is not active B12 that the body can use, so do not rely on it to meet your B12 needs.
Are spirulina tablets better than spirulina powder?
Neither form is inherently better nutritionally when both contain the same spirulina in an equivalent amount. Tablets are convenient to carry and measure, while powder mixes into food or drinks but has a noticeable earthy, algae-like taste.
Spirulina Tablet Vitamins & Minerals
Vitamins
B2
0.07mg · 5% DV
B1
0.05mg · 4% DV
B12
0.05µg · 2% DV
B3
0.26mg · 2% DV
Minerals
Iron
0.57mg · 3% DV
Manganese
0.04mg · 2% DV
Copper
0.01mg · 1% DV
Magnesium
3.9mg · 1% DV
Sodium
21mg · 1% DV
Potassium ⭐
27mg · 1% DV
Spirulina Tablet Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Spirulina Tablet
To burn the 6 calories in 2 piece (medium) (2 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 Tablet?
Spirulina tablets are made by drying and pressing spirulina, a blue-green microorganism grown in water and often described as a microalga. They are sold as a concentrated supplement rather than eaten as a conventional dish. Spirulina has a naturally earthy, seaweed-like flavour, though the tablet form is usually swallowed with water. You can also crush it into a smoothie or stir it into yoghurt if you prefer not to take tablets whole.
Spirulina is notably high in protein and contains a range of vitamins and minerals, but the usual serving is small, so it is not a substantial protein portion by itself. Pair it with fruit in a smoothie to soften its flavour, and treat it as an addition to varied meals rather than a replacement for them.
How Nutritious Is Spirulina Tablet?
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 Tablet 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 Tablet Contain Allergens?
No known major allergens
Which Diets Is Spirulina Tablet 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 Tablet Fat Profile
SATURATED
0.05g
MONOUNSATURATED
0.01g
POLYUNSATURATED
0.04g
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.