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Is Tuna Good For You?

Tuna's health benefits are many: it's packed with protein, omega-3’s, vitamin D, vitamin B-12 & essential minerals.

Yes, tuna is good for you. It’s a protein powerhouse and contains heart-healthy omega-3 fatty acids, selenium, and vitamin D. All this with just 1 gram of fat and 130 calories per can.

PROTEIN TO BUILD HEALTHY MUSCLES, SKIN, AND BONES

Protein plays a vital role in essential bodily functions. Amino acids, the building blocks of proteins, contribute to bone, cartilage, skin, and muscle development. Ensuring sufficient protein intake is crucial for overall health. Additionally, lean proteins such as albacore tuna provide longer-lasting satiety compared to carbohydrates and fats. This makes it helpful for a weight loss diet. One can of albacore tuna in water contains 29 grams of high-quality protein. And, it’s complete protein, which means it has all nine amino acids that your body can’t produce itself. 

OMEGA-3S TO SUPPORT A HEALTHY HEART 

Albacore tuna, compared to other animal proteins like chicken and beef, is lower in fat. However, it stands out as an excellent source of a specific type of fat: omega-3 fatty acids. A diet rich in omega-3s is linked to reduced inflammation levels, lower blood triglycerides, and an overall decreased risk of heart disease. Enjoying fish, including canned albacore tuna, provides an easy and delicious way to reap the health benefits of omega-3s. Each serving of canned albacore tuna contains approximately 0.2 grams of omega-3s, contributing to about 15-20% of the adequate intake for adults according to the National Institutes of Health (NIH).

VITAMIN D TO KEEP YOUR BONES AND IMMUNE SYSTEM STRONG  

Tuna is one of the few natural dietary sources of vitamin D. Adequate vitamin D is essential for bone health, immune function, and overall well-being. We can’t build or repair bones without calcium and we can’t absorb calcium without vitamin D. A 5-ounce can of tuna can contain up to 15% of the Daily Value for vitamin D

VITAMIN B-12 TO FUEL A HEALTHY METABOLISM AND RED BLOOD CELLS

Tuna is also rich in vitamin B-12, essential for vital functions like red blood cell and DNA production. A single can of albacore tuna provides slightly more than 2 micrograms of vitamin B-12, meeting the recommended daily amount for adults

ESSENTIAL MINERALS TO PREVENT DEFICIENCIES FOR BETTER OVERALL HEALTH

Tuna contains crucial minerals such as selenium, potassium, and iron, which are vital for various physiological functions. Iron, particularly important during pregnancy due to increased red blood cell production for the growing fetus, can be boosted through dietary sources like tuna, or through supplements to enhance overall well-being.

WHAT ABOUT MERCURY AND SODIUM?

Some fish, like swordfish, tuna, and tilefish, can be contaminated with mercury content. The FDA states that the mercury levels in fish pose minimal risk to most individuals. Nevertheless, the FDA recommends that children between 1-11 years old and pregnant or breastfeeding women limit their tuna intake to no more than one serving (4 ounces) per week.

Tuna fish has a naturally low sodium (salt) content, but additional sodium is often included during the canning process. A 3-ounce serving may contain up to 22% of the recommended daily intake. If you’re monitoring your sodium intake, check the label carefully. Low-sodium or sodium-free options are also available for canned tuna. 

TYPES OF TUNA

Most tuna that comes in a can or packet is sourced from skipjack, yellowfin, or albacore tuna. Light or chunk light tuna is typically skipjack and yellowfin tuna, but may also include tongol or bigeye tuna. Albacore, known for its light-colored flesh, firm texture, and mild flavor, is classified as white tuna, including solid white albacore and chunk white. Some individuals prefer albacore over light tuna varieties for dishes requiring a milder flavor and a firmer, more steak-like fish. Of all the types of tuna, the National Fisheries Institute reports that approximately 70% of canned and pouched tuna consumed by Americans is skipjack tuna (or a small amount of yellowfin), while about 30% is albacore.

COMPARING CANNED TUNA IN OLIVE OIL, TUNA IN WATER, AND FRESH TUNA

Now that we’ve compared types of fish, let’s look at the three main ways tuna is sold. As you can see below, all have favorable nutritional profiles and contain similar amounts of protein, vitamins, and minerals. 

(1 oz Portion) Canned Tuna in Oil (Low Sodium) Canned Tuna in Water (Low Sodium) Fresh Raw Tuna (Boneless)
Protein 8 grams 6 grams 7 grams
Omega-3s DHA: 29 mg
EPA: 8 mg
DHA: 56 mg
EPA: 8 mg
DHA: 25 mg
EPA: 3 mg
Vitamin B-12 0.6 µg 0.7 µg 0.6 µg
Vitamin D 1.9 µg 0.3 µg 0.5 µg
Iron 0.4 mg 0.5 mg 0.2 mg
Selenium 21.5 µg 19 µg 26 µg
Phosphorus 88 mg 39 mg 79 mg
Potassium 59 mg 50 mg 125 mg
Total Fat 2.3 grams 0.9 grams 0.14 grams
Saturated Fat 0.4 grams 0.2 grams 0.05 grams
Cholesterol 5 mg 10 mg 11 mg
Sodium 118 mg 70 mg 13 mg
Calories 56 24 31

Frequently Asked Questions


Is canned tuna good for you?

Yes. Canned tuna is one of the most nutritious and affordable sources of protein available. And it features vitamins D and B-12, and minerals such as potassium and iron. Canned tuna also includes omega-3 fatty acids which support a healthy heart.

Is it okay to eat tuna fish everyday?

Eating tuna fish 2-3 times a week is a great way to vary your diet and enjoy all of the goodness that seafood has to offer, including vitamins, minerals and omega-3 fatty acids. The FDA recommends that children between 1-11 years old and pregnant or breastfeeding women limit their tuna intake to no more than one serving (4 ounces) per week.

Is tuna healthy with mayonnaise?

While tuna is generally considered a nutritious choice, tuna salad preparations often include excessive amounts of mayonnaise, significantly increasing calorie and fat intake. A single cup of mayo contains a staggering 1440 calories, 160 grams of fat, and 24 grams of saturated fat, along with nearly half of the recommended daily sodium intake.

Sources:

https://ods.od.nih.gov/factsheets/Omega3FattyAcids-HealthProfessional

https://fdc.nal.usda.gov/fdc-app.html#/?query=tuna

https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional

https://www.fda.gov/food/consumers/questions-answers-fdaepa-advice-about-eating-fish-those-who-might-become-or-are-pregnant-or#II

https://www.fda.gov/food/consumers/advice-about-eating-fish

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