Since oil and water don't mix, water-packed tuna won't leach any of its precious omega-3s. Canned in water and drained, 6 ounces of light meat tuna typically provide a little less than .5 gram of omega-3 fatty acids, while light tuna canned in oil and drained provides a little more than .3 grams of omega 3. read more
While tuna in general contains a large amount of omega-3 fatty acids, the types of fatty acid and the amounts it contains can vary from one canned tuna type to another. Canned tuna contains 0.17 to 0.24 grams of omega-3 fatty acids per 3-ounce serving, notes the American Heart Association. read more
Tuna canned in oil and drained contained almost a third less omega 3s: 100 grams of light meat tuna canned in oil and drained provided 0.202 grams of omega-3 fatty acids in the form of EPA (0.027g), DHA (0.101g), and ALA (0.074g). read more
Super-healthy canned Albacore Tuna. Safe, low mercury, dolphin-safe, high in omega-3's, caught in the USA albacore. read more