What Is Tomato Juice? A Complete Guide to Types, Nutrition, and Uses

You walk down the grocery aisle and see rows of red cans and bottles labeled “tomato juice.” Some say 100% juice. Others say “from concentrate.” A few are mixed with other vegetables. You grab one, take it home, pour a glass, and wonder: is this really just tomatoes? And is it healthy?

I get it. Tomato juice sits in a weird spot between a beverage and a cooking ingredient. It’s not as straightforward as orange juice, and it’s not as simple as water. But once you understand what it is — legally, nutritionally, and practically — you’ll know exactly which one to buy and how to use it.

Campbell's

Campbell's 100% Tomato Juice, 5.5 fl oz…

Six (6) 5.5 fl oz single-serve cans of Campbell's 100% Tomato Juice

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This article covers the legal definition of tomato juice, how it’s made, what’s inside that can nutrition-wise, and how to pick the right product for your kitchen. By the end, you’ll be able to read any label with confidence.

A solid starting point for anyone wanting a clean, no-fuss option is Campbell’s 100% Tomato Juice, 5.5 fl oz Can (6 Pack). It’s made from vine-ripened tomatoes picked at peak season, with no added sugar or artificial anything. Each little can packs 30 calories and a full dose of vitamin C, making it easy to toss in a lunch bag or use as a quick mixer.

What Exactly Is Tomato Juice?

Tomato juice is the liquid extracted from whole tomatoes. But the term gets trickier once you look at regulations. In the United States, the FDA has a standard of identity for tomato juice. To be called “tomato juice,” the product must be made from mature tomatoes and can’t have added sugar, artificial colors, or preservatives. Salt is optional — many brands add it for flavor.

There are three main forms you’ll find:

• 100% tomato juice from concentrate — The tomatoes are cooked down into a paste, water is added back later, and the result is pasteurized. Most canned tomato juice works this way.
• Not from concentrate (NFC) — The juice is extracted, then pasteurized and packaged without reducing it first. It tastes fresher but costs more.
• Blended vegetable juice — Think V8. These are tomato juice mixed with carrot, celery, beet, and other vegetable juices. The FDA allows the label to say “tomato juice” only if tomatoes make up the majority.

One common confusion: tomato juice vs. tomato sauce. Sauce is cooked longer and often has added seasonings. Juice is thinner, meant for drinking or light cooking. Tomato paste is even more concentrated — about four times thicker than juice.

Nutritional Profile and Health Considerations

A standard 8-ounce serving of plain, unsalted tomato juice contains roughly:

• 40–50 calories
• 2 grams of protein
• 10 grams of carbohydrates (mostly natural sugars)
• 2 grams of fiber
• Virtually no fat

Where it shines is vitamins. That same glass delivers about 30% of your daily vitamin A and nearly 200% of your vitamin C. You also get a decent hit of potassium (around 400 mg) and a compound called lycopene — a powerful antioxidant linked to heart health and lower cancer risk.

But here’s the catch: sodium. Many commercial brands load up salt. A single can from some brands can have 650 mg of sodium — almost half your daily limit. If you’re watching your blood pressure, look for “low sodium” or “no salt added” versions. Campbell’s 100% Tomato Juice in the 5.5 oz can contains just 140 mg of sodium per serving, which is reasonable.

Another thing: cooking destroys some vitamin C, so fresh homemade tomato juice will have more C than canned. But lycopene becomes more bioavailable when heated, so canned juice actually delivers more absorbable lycopene. It’s a trade-off.

How Tomato Juice Is Made — Commercial vs. Homemade

Commercial tomato juice starts with washing and sorting thousands of tomatoes. They’re crushed, heated to stop enzymes from breaking down color and flavor, then put through a “finisher” that separates seeds and skins from the liquid. That liquid is either concentrated into paste (for “from concentrate” juice) or pasteurized directly (NFC).

Homemade juice follows the same logic on a smaller scale. You blanch tomatoes to slip off the skins, then simmer the flesh, mash it, and strain out the seeds. A best juicer for tomato juice makes this step much faster. A slow juicer or masticating juicer preserves more nutrients and gives you a thicker, pulpier juice than a centrifugal model.

If you’re buying, the table below compares the three common options.

How to Choose and Use Tomato Juice

Start with the ingredient list. If you see “tomato juice from concentrate” as the first ingredient, that’s fine — just know it’s been cooked twice. If you see “water, tomato paste” on a label, that’s essentially the same thing. Avoid anything with added sugar, high-fructose corn syrup, or artificial flavors.

For drinking, a smooth, low-sodium option is best. Campbell’s single-serve cans are handy because they’re portion-controlled and don’t need refrigeration until opened. They work well for a mid-afternoon snack or a quick breakfast.

For cooking, tomato juice is a fantastic base for soups, stews, and sauces. It adds body without the thickness of crushed tomatoes. You can also make a quick marinade by mixing it with vinegar, garlic, and spices. And of course, it’s the heart of a perfect Bloody Mary — just add vodka, Worcestershire sauce, hot sauce, and a celery stalk.

If you want to drink it regularly, consider the best time to drink tomato juice is often in the morning or post-workout, because the potassium helps replenish electrolytes. But avoid drinking it right before bed if you’re sensitive to acid reflux.

Frequently Asked Questions

Is tomato juice the same as vegetable juice?

No. Vegetable juice usually contains a blend of tomatoes, carrots, celery, beets, spinach, and other vegetables. Tomato juice, by law, must be at least 80% tomato juice. If you want pure tomato flavor, look for “tomato juice” not “vegetable juice.”

Can tomato juice help with hydration?

Yes, because it’s about 95% water. But it also contains sodium and potassium, which help retain fluid and maintain electrolyte balance. That makes it a good recovery drink after sweating, though plain water is better for general thirst.

Is tomato juice good for heart health?

The lycopene and potassium are both heart-friendly. Studies suggest lycopene can lower LDL cholesterol and reduce blood pressure. Just keep an eye on sodium — too much salt cancels the benefits. A low-sodium brand is key.

How much sodium is in tomato juice?

It varies wildly. Some brands pack 600–700 mg per 8 ounces. Others, like Campbell’s 100% Tomato Juice, have about 140 mg per 5.5 ounce can. Check the label — if it’s over 300 mg per serving, that’s a lot for a drink.

Can I drink tomato juice every day?

You can, but balance it with other fruits and vegetables. Tomato juice is acidic, so drinking it every day might irritate your stomach if you’re prone to heartburn. Otherwise, one serving daily is fine, especially if you choose a low-sodium variety and don’t rely on it as your only source of produce.

What to Remember When Buying Tomato Juice

• Read the ingredient list — it should say “tomato juice from concentrate” or “tomato juice” and nothing else.
• Check sodium per serving. Under 200 mg is good. Over 400 mg is a red flag.
• Single-serve cans are great for portion control and portability; larger cans are cheaper per ounce.
• Homemade tastes fresher but needs immediate refrigeration. Canned is convenient and has a long shelf life.
• Use tomato juice as a soup base, marinade ingredient, or mixer — not just a drink.
• For maximum lycopene absorption, pair it with a little fat, like olive oil in a salad dressing or in a Bloody Mary.
• If you’re juicing tomatoes at home, a masticating juicer yields better flavor and more nutrients than a centrifugal one.