Spirulina — Nutrition & Calories
Spirulina per 100g: 290 cal · 57g protein · 24g carbs · 8g fat · 4g fiber. Blue-green algae superfood with 57% protein by weight.
Spirulina contains 290 calories per 100g serving — 57g protein, 24g carbs, 8g fat, 4g fiber, 1048mg sodium. Per 100g: 290 calories. Vegan. Keto-friendly. Gluten-free. Blue-green algae superfood with 57% protein by weight.
Spirulina Macros (per 100g)
Spirulina Calories by Serving Size
| Serving | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 g (100g) | 290 cal | 57.0g | 24.0g | 8.0g |
| 100g | 290 cal | 57.0g | 24.0g | 8.0g |
| 200g | 580 cal | 114.0g | 48.0g | 16.0g |
| 1 cup (~240g) | 696 cal | 136.8g | 57.6g | 19.2g |
| 1 oz (28g) | 81 cal | 16.0g | 6.7g | 2.2g |
Burn Off Spirulina (290 calories) — Exercise Time
For a 154 lb (70 kg) person, time needed to burn 290 calories from Spirulina:
- Walking (3 mph)68 min
- Running (6 mph)24 min
- Cycling (moderate)32 min
- Swimming (moderate)39 min
Calculated from MET values per Compendium of Physical Activities 2024 (Ainsworth et al., updated from 2011).
Diet Compatibility
Frequently Asked Questions
How many calories are in Spirulina?
Spirulina contains 290 calories per 100g serving. That's 290 calories per 100g, or 696 calories per cup (~240g). Calorie content varies based on preparation method.
What's the protein content in Spirulina?
Spirulina has 57g of protein per 100g (57.0g protein per 100g). Excellent protein source.
Is Spirulina keto-friendly?
Yes, Spirulina is keto-friendly. With 24g carbs and 8g fat per 100g, it fits within standard keto macros (under 20-50g carbs/day). Net carbs: 20.0g.
Is Spirulina suitable for vegans?
Yes, Spirulina is vegan. It contains no animal products. Often used in plant-based diets for protein.
What are the macros for Spirulina?
Per 100g: 290 calories, 57g protein (79% cal), 24g carbs (33% cal), 8g fat (25% cal). Fiber: 4g. Sodium: 1048mg.
How much Spirulina should I eat to lose weight?
For weight loss, Spirulina fits a calorie deficit if portioned. A typical 500 cal/day deficit means Spirulina can comprise up to 172g as a snack, or paired with vegetables for a meal. Use our Calorie Deficit Calculator to determine your daily target.