1 serving (85 grams) contains 99 calories, 22.0 grams of protein, 1.0 grams of fat, and 0.0 grams of carbohydrates.
Log this food in SnapCalorie
Nutrition Information
Calories |
275 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 2.8 g | 3% | |
| Saturated Fat | 0.8 g | 4% | |
| Polyunsaturated Fat | 0 g | ||
| Cholesterol | 83.3 mg | 27% | |
| Sodium | 686.1 mg | 29% | |
| Total Carbohydrates | 0 g | 0% | |
| Dietary Fiber | 0 g | 0% | |
| Sugars | 0 g | ||
| protein | 61.1 g | 122% | |
| Vitamin D | 0 mcg | 0% | |
| Calcium | 27.8 mg | 2% | |
| Iron | 3.6 mg | 20% | |
| Potassium | 527.8 mg | 11% | |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Food Attributes
Source of Calories
About Tuna can
Canned tuna is a processed seafood product made from tuna fish, often preserved in brine, oil, or water. Originating as a practical way to store tuna, it has become a staple across various cuisines globally, particularly in sandwiches, salads, and casseroles. Tuna is a lean protein source and contains an array of essential nutrients like omega-3 fatty acids, vitamin D, selenium, and B vitamins. A typical 3-ounce serving of canned tuna in water provides around 100 calories, 20 grams of protein, and low levels of fat, making it a convenient and nutritious protein choice.
Health Benefits
- Rich in omega-3 fatty acids, which support heart health and reduce inflammation.
- High-quality protein content (20g per 3-ounce serving) aids in muscle repair and maintenance.
- Good source of selenium, an antioxidant that supports immune function and protects against cell damage.
- Contains vitamin D, vital for bone health and maintaining a healthy immune system.
- Provides B vitamins (such as niacin and B12), which are crucial for energy metabolism and brain health.
Dietary Considerations
Selection and Storage
Store unopened canned tuna in a cool, dry place. Once opened, transfer to an airtight container and refrigerate, consuming within 2 days.
Common Questions About Tuna can Nutrition
Is canned tuna high in protein?
Yes, canned tuna is an excellent source of protein. A 3-ounce serving of tuna packed in water contains approximately 20-25 grams of protein, making it a highly protein-dense food for maintaining muscle health and supporting overall bodily functions.
Can I eat canned tuna on a keto diet?
Yes, canned tuna is a great option for a keto diet as it is low in carbs (less than 1 gram per serving) and high in protein. It pairs well with keto-friendly ingredients like avocado, olive oil, or leafy greens for a balanced meal.
What are the health benefits and concerns of eating canned tuna?
Canned tuna is rich in essential nutrients like omega-3 fatty acids, vitamin D, and selenium, which support heart health and brain function. However, due to potential mercury levels, it's recommended to limit consumption to 2-3 servings per week, especially for pregnant women and young children.
What is the recommended portion size for canned tuna?
A standard serving size of canned tuna is 3 ounces, roughly half a can. This portion provides a balance of nutrients without exceeding recommendations for mercury intake if consumed 2-3 times per week.
How does canned tuna compare to fresh tuna for nutrition and convenience?
Canned tuna is more convenient and affordable than fresh tuna while still providing excellent protein and omega-3 content. Fresh tuna is slightly higher in nutrients like vitamin D and may have a better texture, but canned tuna is pre-cooked and shelf-stable, making it a practical choice for quick meals.
Data Sources & Scientific References
Our nutrition data comes from trusted, authoritative sources to ensure accuracy and reliability. Below are specific scientific references and authoritative sources for this food item.
- Omega-3 Fatty Acids Fact SheetNIH Office of Dietary SupplementsThis fact sheet highlights omega-3 fatty acids found in tuna and their health benefits, including heart health and brain function.
- Tuna Consumption and Mercury Exposure in Adults: A ReviewEnvironmental Research JournalThis peer-reviewed study examines the relationship between tuna consumption, nutrient benefits, and potential mercury exposure risks.
Additional Authoritative Sources:
Daily value percentages based on FDA guidelines. Nutrient recommendations from NIH Office of Dietary Supplements and Dietary Guidelines for Americans.
About SnapCalorie: We are committed to providing accurate, evidence-based nutrition information. Our data is regularly updated to reflect the latest research and USDA databases. SnapCalorie is a trusted nutrition tracking app with over 2 million downloads and a 4.8/5 star rating.
