Calories in Sriracha: Nutrition Facts & Serving Sizes
Per 1 tsp (7g)
Per 100g
Source: USDA FoodData Central, SR Legacy, March 2026.
A teaspoon of sriracha (6.5g) contains about 6 calories with 1.2g of carbs, making it one of the lowest-calorie hot sauces available. Per 100g, sriracha provides 93 calories with 19.2g of carbs, 1.9g of protein, and 0.9g of fat. The main concerns with sriracha are sodium (2,124mg per 100g) and sugar (15.1g per 100g), which is notably high for a hot sauce compared to simpler hot sauces like Tabasco. Sriracha contains 26.9mg of vitamin C per 100g from the red chili peppers and 129mcg of vitamin A per 100g. The 321mg of potassium per 100g contributes to daily electrolyte needs. Sriracha's combination of heat, tang, and slight sweetness makes it one of the most versatile condiments for adding flavor to eggs, proteins, rice bowls, and noodles with minimal calories per serving.
Nutrition Highlights
Calories by Serving Size
| Serving | Cal | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| 1 tsp (7g) | 6 | 0.1g | 1.2g | 0.1g | 0.1g |
| 100g | 93 | 1.9g | 19.2g | 0.9g | 2.2g |
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Full Nutrition Facts (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 93 | 5% |
| Protein | 1.9g | 4% |
| Total Fat | 0.9g | 1% |
| Total Carbohydrates | 19.2g | 7% |
| Dietary Fiber | 2.2g | 8% |
| Sugars | 15.1g | 30% |
| Sodium | 2124mg | 92% |
Vitamins & Minerals (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calcium | 18mg | 1% |
| Iron | 1.6mg | 9% |
| Potassium | 321mg | 7% |
| Vitamin A | 129mcg | 14% |
| Vitamin C | 26.9mg | 30% |
| Vitamin B6 | 0.5mg | 29% |
| Magnesium | 16mg | 4% |
| Phosphorus | 46mg | 4% |
| Zinc | 0.2mg | 2% |
| Selenium | 0.4mcg | 1% |
| Thiamin (B1) | 0.1mg | 8% |
| Riboflavin (B2) | 0.2mg | 15% |
| Niacin (B3) | 1.2mg | 8% |
% Daily Values based on a 2,000 calorie diet (FDA reference).
Health Benefits of Sriracha
Sriracha is made primarily from red chili peppers, which contain capsaicin, the compound responsible for heat. Capsaicin has been studied for several potential benefits: it may temporarily boost metabolism (thermogenic effect), reduce appetite, and have anti-inflammatory properties. While these effects are modest, they are real and make spicy foods like sriracha a smart addition to a diet focused on fat loss.
The 26.9mg of vitamin C per 100g comes from the chili peppers and contributes to daily vitamin C needs. Vitamin C supports immune function, collagen synthesis for joint health, and iron absorption. The vitamin A content (129mcg per 100g) from the red peppers supports immune function and vision.
Sriracha's heat level encourages slower eating, which can reduce total food intake at meals by giving your body more time to register fullness signals. The intense flavor means a small amount (1 tsp) adds significant taste enhancement to proteins, eggs, and rice bowls without adding meaningful calories. This makes meals more satisfying and easier to maintain on a calorie deficit.
The 321mg of potassium per 100g provides a small but meaningful electrolyte contribution for active people who need to replace what is lost through sweat.
Dietary Considerations
Sriracha is naturally gluten-free and vegan in most formulations. The sugar content (15.1g per 100g) means it is not ideal for strict keto if used in large amounts, but a teaspoon adds only about 1g of sugar. Sodium is the main concern at 138mg per teaspoon (2,124mg per 100g). For weight loss, sriracha is an excellent flavor tool at only 6 calories per teaspoon. People sensitive to spicy foods or with acid reflux should use caution.
Daily Intake (100g)
100g of sriracha provides 5% of a 2,000-calorie diet.
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Frequently Asked Questions
How many calories in sriracha?
One teaspoon of sriracha (6.5g) has about 6 calories. Per 100g, sriracha contains 93 calories. When used as a condiment in small amounts, sriracha is essentially calorie-free.
Is sriracha good for weight loss?
Sriracha can support weight loss in two ways: it adds bold flavor to diet foods (making them more enjoyable), and the capsaicin in chili peppers may modestly boost metabolism and reduce appetite. At only 6 calories per teaspoon, it adds minimal calories.
How much protein in sriracha?
Sriracha contains 1.9g of protein per 100g. A teaspoon provides only 0.1g of protein. Sriracha is not a protein source and is used purely as a flavoring condiment.
Is sriracha keto-friendly?
Sriracha is keto-compatible in small amounts. A teaspoon has only about 1.2g of carbs and 1g of sugar. If you use large amounts (like multiple tablespoons), the carbs and sugar add up more significantly at 19.2g carbs per 100g.
Is sriracha high in sodium?
Yes, sriracha is high in sodium at 2,124mg per 100g. A teaspoon has about 138mg of sodium, which is significant for a small serving. If you are managing sodium intake, use sriracha sparingly or opt for sodium-free hot sauces.
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