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Lots of variables here. Canned tuna in water (6.5 oz) has about 200 calories, in oil the calories go up to about 350 calories. If mixed with mayonnaise, could add 50 calories per TBSP unless it's made with the light variety. Seemed like a good protein source until several years ago, when the FDA issued health alerts warning pregnant women not to eat tuna more than once a month. This was bitterly contested by the tuna manufacturers, but was not refuted. The concern was about unhealthy Mercury levels found in tuna, even more so in the white albacore variety. It has been reported that the largest amounts of mercury ingested by the population comes from mercury in fish sources (esp large fish like tuna, swordfish) as well as air pollution from the 600 coal-fired power plants in the U.S. If you're eating the fish for fish oil, use the caps instead. If eating tuna for protein, try including more chicken (avoid red meat) or soy-based products.

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16y ago

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