Canned Tuna
Serving size: 1 can drained (142g)
Allergens: fish
Why Eat Canned Tuna?
Canned tuna is one of the most affordable and accessible sources of omega-3s and vitamin B12 (104% DV per can). It provides lean, complete protein with virtually no prep required, making it a pantry staple for quick, nutritious meals.
Canned Tuna contains 2x more selenium per serving than Wild Salmon.
At a Glance
Nutrient Fingerprint
Canned Tuna's top nutrients as % Daily Value (capped at 100%)
Source: USDA FoodData Central · FDA Daily Values
How It Compares
Selenium (% DV) vs similar Proteins
Source: USDA FoodData Central · FDA Daily Values
Nutrient Absorption Tips
Vitamin C dramatically increases iron absorption
Pro tip: Squeeze lemon on your lentils or pair spinach with bell peppers
Learn moreVitamin D helps your body absorb calcium
Pro tip: Salmon + leafy greens covers both synergistically
Learn moreFatty fish covers both omega-3 and vitamin D
Pro tip: Wild salmon is a two-for-one powerhouse
Learn moreFolate and B12 work together for red blood cell formation
Pro tip: Lentils (folate) + eggs (B12) make a complete pair
Learn moreMagnesium is required to activate vitamin D
Pro tip: Pumpkin seeds + salmon = activation combo
Learn moreHigh fiber can reduce zinc absorption — balance intake
Pro tip: Space high-fiber and zinc-rich meals apart if possible
Learn moreVitamin K directs calcium into bones, not arteries
Pro tip: Kale covers both — or pair leafy greens with dairy
Learn moreZinc helps transport vitamin A from the liver
Pro tip: Sweet potato + pumpkin seeds covers both nutrients
Learn moreSelenium and vitamin E work together as antioxidants
Pro tip: Brazil nuts (selenium) + almonds (vitamin E) = antioxidant duo
Learn moreVitamins D and A balance each other for immune function
Pro tip: Salmon (D) + sweet potato (A) covers both fat-soluble vitamins
Learn moreSelenium is essential for thyroid hormone conversion alongside iodine
Pro tip: Seaweed (iodine) + Brazil nuts (selenium) = thyroid support
Learn moreCopper is essential for iron metabolism and red blood cell formation
Pro tip: Liver and shellfish provide both — or pair cashews with lentils
Learn morePhosphorus and calcium work together for bone mineralization
Pro tip: Dairy naturally provides both in ideal ratios
Learn moreHigh zinc intake can reduce copper absorption — balance both
Pro tip: Vary your protein sources between shellfish, nuts, and seeds
Learn moreB6, B12, and folate drive the methylation cycle for DNA repair and homocysteine clearance
Pro tip: Salmon covers B6 and B12 — add lentils for folate to complete the trio
Learn moreLeucine triggers muscle protein synthesis — pair with complete protein for full effect
Pro tip: Chicken breast or eggs provide both protein and leucine together
Learn moreFat-soluble lycopene absorbs dramatically better with dietary fat
Pro tip: Cook tomatoes with olive oil — heat + fat boosts lycopene availability 5x
Learn moreNutrient Profile
Showing all tracked nutrients in Canned Tuna per serving (1 can drained (142g)), grouped by category.
Some nutrients (iodine, omega-3 from plant sources) have limited USDA data and may not appear above even if present in this food.
How to Eat Canned Tuna
Storage & Selection Tips
How to Select
Light tuna (skipjack) has less mercury than white/albacore tuna. Choose varieties packed in water or olive oil. Check for 'pole-caught' or 'sustainably sourced' labels.
How to Store
Store cans in a cool, dry pantry. Once opened, transfer to a glass or plastic container and refrigerate.
Shelf Life
Unopened cans last 3-5 years. Opened tuna keeps 2-3 days refrigerated.
Practicality Ratings
How easy to prepare and use
How easy to find in stores
How many meal types it fits
Frequently Asked Questions
Canned Tuna Appears in These Nutrient Guides
Magnesium
10% DV per serving
Iron
11% DV per serving
Omega-3
11% DV per serving
Calcium
1% DV per serving
Zinc
12% DV per serving
Folate
2% DV per serving
Vitamin B12
130% DV per serving
Vitamin D
48% DV per serving
Choline
8% DV per serving
Potassium
6% DV per serving
Vitamin A
4% DV per serving
Vitamin K
52% DV per serving
Selenium
196% DV per serving
Vitamin E
8% DV per serving
Phosphorus
35% DV per serving
Copper
11% DV per serving
Thiamin (Vitamin B1)
8% DV per serving
Riboflavin (Vitamin B2)
15% DV per serving
Niacin (Vitamin B3)
113% DV per serving
Pantothenic Acid (Vitamin B5)
10% DV per serving
Vitamin B6
12% DV per serving
Protein
83% DV per serving
Sodium
26% DV per serving
Leucine
125% DV per serving
Isoleucine
136% DV per serving
Valine
115% DV per serving
Tryptophan
165% DV per serving
Lysine
181% DV per serving
Similar Foods (Proteins)
Compare Canned Tuna
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Canned Tuna Supports These Goals
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Try the Supplement Replacer ToolDisclaimer: Nutrient values are approximate and based on USDA FoodData Central. Actual values may vary by source, preparation method, and brand. Not medical advice.