How many cans of tuna can be safely consumed per week?

 The number of cans of tuna you can safely consume per week depends on several factors, including mercury content, type of tuna, and your overall diet and health.

Mercury Considerations:

Tuna can contain varying levels of mercury, which can be harmful if consumed in large amounts. The mercury content varies by type of tuna:

  • Albacore (white) tuna: Higher in mercury.
  • Light tuna (e.g., skipjack): Lower in mercury.


For Albacore (White) Tuna:

  • FDA Recommendation: Up to 6 ounces (approximately one standard can) per week for adults.

For Light Tuna:

  • FDA Recommendation: Up to 12 ounces (approximately two to three standard cans) per week for adults.

Other Nutritional Considerations:

While tuna is a good source of protein and omega-3 fatty acids, it should be part of a varied diet to ensure balanced nutrition and avoid excessive mercury intake.

Example Weekly Consumption:

  • 1 can of albacore tuna plus 1-2 cans of light tuna per week should generally be safe for most adults, keeping within the recommended mercury intake limits.

These guidelines are for healthy adults. Pregnant women, nursing mothers, young children, and individuals with certain health conditions may need to follow stricter guidelines. It’s always best to consult with a healthcare provider for personalized recommendations.