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Can I eat tuna while breastfeeding?

US breastfeeding food safety guidance. Educational only.

What Guidelines Say

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FDA advises limiting albacore tuna to 6 ounces weekly during breastfeeding due to mercury concerns.

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The FDA recommends that breastfeeding women consume 8 to 12 ounces of a variety of low-mercury fish per week. Albacore (white) tuna contains higher mercury levels compared to other fish, so its intake should be limited to 6 ounces (approximately 170 grams) per week. Excessive mercury exposure can affect the developing nervous system of infants. Therefore, while albacore tuna can be included in the diet, it should be consumed in moderation to minimize potential risks.

Avoid

Bigeye Tuna

Caution

Limit albacore tuna to 6 ounces per week.

Safe Options

Canned Light Tuna

Expert Pick

Salmon

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Updated: Jan 2026 Sources: FDA Issues Revised “Advice about Eating Fish for Women Who Are or Might Become Pregnant, Breastfeeding Mothers, and Young Children” | FDA +2

Safer Choices

Canned Light Tuna

  • Contains lower mercury levels than albacore
  • Can be consumed 2-3 times per week

Salmon

  • Rich in omega-3 fatty acids
  • Low in mercury
  • Safe for regular consumption

Shrimp

  • Low in mercury
  • Good source of protein
  • Can be included in the diet

Pollock

  • Low-mercury fish
  • Provides essential nutrients
  • Safe to eat regularly

Tilapia

  • Contains low levels of mercury
  • Good protein source
  • Suitable for frequent consumption

Risks & Limits

Bigeye Tuna

  • High in mercury
  • Should be avoided during breastfeeding

Shark, Swordfish, King Mackerel, Tilefish

  • High mercury levels
  • Should be avoided

Raw or Undercooked Fish

  • Increases risk of bacterial infections
  • Should be avoided

Key Points from Health Guidelines

Based on FDA, Mayo Clinic published guidance

  • 1
    Limit albacore tuna to 6 ounces per week.
  • 2
    Consume 8-12 ounces of low-mercury fish weekly.
  • 3
    Avoid high-mercury fish like bigeye tuna, shark, swordfish, king mackerel, and tilefish.
  • 4
    Choose a variety of fish to ensure nutrient intake.
  • 5
    Ensure all fish is cooked to an internal temperature of 145°F (63°C).
  • 6
    Check local advisories for mercury levels in locally caught fish.
  • 7
    Consult healthcare providers for personalized dietary advice.

Common Questions

Is it safe to eat tuna during the first trimester of pregnancy?
Yes, but it's important to limit albacore tuna to 6 ounces per week due to mercury content. Opt for low-mercury fish like canned light tuna, salmon, or shrimp for the remaining recommended fish intake.
How much tuna is safe to consume while breastfeeding?
Breastfeeding women can consume up to 6 ounces of albacore tuna per week. For other low-mercury fish, the recommendation is 8-12 ounces per week.
What are the risks of consuming too much tuna during breastfeeding?
Excessive tuna consumption can lead to high mercury exposure, which may affect the developing nervous system of infants. It's important to adhere to recommended limits to minimize this risk.
What are safer alternatives to albacore tuna during breastfeeding?
Safer alternatives include canned light tuna, salmon, shrimp, pollock, and tilapia, all of which are low in mercury and provide essential nutrients.
How should fish be prepared to ensure safety during breastfeeding?
Fish should be cooked to an internal temperature of 145°F (63°C) to kill harmful bacteria and parasites. Avoid raw or undercooked fish to reduce the risk of foodborne illnesses.

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