Is Cheese Healthy?

The honest answer: cheese is a real food, but it's capped. It's a genuine source of complete protein and calcium — and it's minimally processed, with most blocks running just four ingredients. But when we ran 13 popular cheeses through our 6-dimension Labelgrade, not one earned a B. The whole category landed between C and B-, and it's not because cheese is junk. It's because two of the six things we score — saturated fat and sodium — are baked into what cheese is. So the real answer to "is cheese healthy or bad for you?" is neither extreme: it's fine in moderation, watch the portion, watch the sodium and saturated fat. (General nutrition information, not medical advice.)

Why no cheese scored above a B-

Our Labelgrade methodology scores every food on the same six dimensions, and the grade is absolute — cheese is judged against all packaged foods, not graded on a curve against other cheeses. Here's how a typical cheese fares on each:

Protein density — usually an A. Most cheeses pack 6–8 g of complete protein per ounce; that's top-tier and genuinely good for you.
Added sugar — usually an A+. The cultures ferment away the milk sugar, so most cheese is 0 g sugar. Free points.
Ingredient quality — often a B/B+. A real block is four ingredients (milk, cultures, salt, enzymes). Processed and spreadable formats add stabilizers and score lower.
Fiber — always an F. Cheese has none, like every pure dairy or animal food. Structural, unavoidable.
Sodium — usually an F. Salt isn't an additive here; it's part of how cheese is made (it controls the cultures, pulls moisture, preserves). It still counts against the grade — typically 150–200 mg per ounce.
Saturated fat — usually a D. Cheese concentrates whole-milk fat, so an ounce of a full-fat block carries ~6 g of fat with about half of it saturated.

Add it up and the shape is the same every time: two near-automatic wins (protein, sugar), and two near-automatic losses (sodium, saturated fat) that no amount of protein can fully offset. That's the structural ceiling. The best cheese in our set tops out around a B-; the rest sit in the C range. The grade isn't punishing cheese for being bad — it's reflecting that a concentrated dairy food is a different thing on the shelf than a lean protein.

Every cheese we graded, best to worst

All 13 ranked by overall Labelgrade. Even the leader is a B-. See the full report card →

Kraft Singles American Cheese Slices (Twin Pack) — Labelgrade B- (71/100) · protein 1.8g · sodium 150mg · sat fat 1.5g (per serving)
Frigo Frigo, Cheese Heads, Light String Mozzarella Cheese — Labelgrade B- (70/100) · protein 7g · sodium 200mg · sat fat 1.5g (per serving)
Kraft Mozzarella String Cheese Snacks — Labelgrade C+ (69/100) · protein 6g · sodium 180mg · sat fat 2g (per serving)
Galbani Galbani, Mozzarella Cheese — Labelgrade C+ (68/100) · protein 8g · sodium 190mg · sat fat 3.5g (per serving)
Sargento String Cheese Snacks (Mozzarella) — Labelgrade C+ (66/100) · protein 6g · sodium 170mg · sat fat 3g (per serving)
Cabot Pepper Jack Cheese — Labelgrade C (64/100) · protein 7g · sodium 170mg · sat fat 6g (per serving)
Tillamook Extra Sharp Cheddar Cheese — Labelgrade C (64/100) · protein 7g · sodium 170mg · sat fat 6g (per serving)
Tillamook Sharp Cheddar Cheese — Labelgrade C (64/100) · protein 7g · sodium 170mg · sat fat 6g (per serving)
Babybel Original Semisoft Cheese (Mini) — Labelgrade C (62/100) · protein 5g · sodium 160mg · sat fat 4g (per serving)
Cabot Sharp Cheddar Cheese — Labelgrade C (62/100) · protein 7g · sodium 180mg · sat fat 6g (per serving)
Kraft Natural Pepper Jack Cheese — Labelgrade C (62/100) · protein 7g · sodium 190mg · sat fat 5g (per serving)
Philadelphia Original Cream Cheese — Labelgrade C (62/100) · protein 2g · sodium 105mg · sat fat 6g (per serving)
Boursin Garlic & Herb Cheese — Labelgrade C (60/100) · protein 2g · sodium 110mg · sat fat 4.5g (per serving)

The pattern in the numbers is the whole story: the cheeses at the top are the ones that cut the fat (the part-skim and light formats) while keeping the protein. The cheeses at the bottom — cream cheese and the full-fat spreads — carry the saturated fat and sodium without much protein to earn it back. Full-fat cheddar and pepper jack blocks land in the middle: great protein, but a hard D on saturated fat every time.

How to pick a less-compromised cheese

If you eat cheese (and most of us happily do), three moves shift you toward the least-penalized end of the scale without giving it up:

Go lower-fat where you can. Part-skim string cheese, light singles, and part-skim mozzarella trim the saturated fat that sinks the full-fat blocks while keeping nearly all the protein and calcium. This is the single biggest lever — it's exactly what separates the B- cheeses from the C cheeses in the list above.
Watch the sodium, especially on melts. A single ounce is moderate, but cheese is easy to over-pour — a generous pizza or bake stacks three or four ounces (and 600+ mg of sodium) fast. Portion it deliberately and the F-grade sodium stops mattering. If you're managing blood pressure, no-salt-added and lower-sodium formats are worth seeking out.
Treat it as a topping or a single-serving snack, not a base. A string cheese (~70–80 cal) or a measured ounce grated over a dish gives you the protein-and-calcium payoff in a portion that fits any plan. The problem is never the ounce — it's the un-measured handful.

And keep the win in view: even a C+ cheese is delivering complete protein and a meaningful slug of calcium that most protein foods (lean meat, eggs, powders) simply don't bring. Cheese isn't a health food, but it isn't the enemy either — it's a useful, satisfying protein source that rewards portion control.

The bottom line

Cheese is healthy enough — real protein, real calcium, minimal processing — but its Labelgrade is permanently capped by saturated fat and sodium, which is why no cheese we graded cracked a B. Eat it in moderation, lean toward the lower-fat and lower-sodium formats, and measure your portions. For the full ranked breakdown with each cheese's weakest dimension, see our cheese Report Card. To go deeper on the winners, read the best high-protein cheeses. Or filter every graded product by sodium, saturated fat, or protein to build your own shortlist.

Frequently Asked Questions

Is cheese healthy?

Mostly yes, in moderation. Cheese is a genuine source of complete protein and calcium — most everyday cheeses bring 6–8 g of protein and around 200 mg of calcium per ounce, which very few protein foods do at the same time. The catch is that it carries that nutrition inside concentrated dairy fat and salt. On our 6-dimension Labelgrade scale, cheese consistently aces protein and sugar but gets dragged down by saturated fat and sodium — which is why, when we graded 13 popular cheeses, not one cracked a B and the whole category landed in the C to B- range. "Healthy" here means "a real food that fits plenty of eating patterns, eaten in portions" — not a free-pour superfood.

Is cheese bad for you?

No — "bad for you" overstates it. Cheese is not junk: it is real, minimally processed food (most blocks are four ingredients: milk, cultures, salt, enzymes) with protein and calcium that earn high marks on our scale. What pulls its grade into the C/B- range is not some hidden toxin — it is simply that cheese is dense in saturated fat and sodium, two of the six things we score. The honest framing is "fine in moderation, watch the portion, watch the sodium and saturated fat," not "avoid." The shoppers who should be most deliberate are those already managing blood pressure or saturated-fat intake. This is general nutrition information, not medical advice.

Which cheese is the healthiest?

The least-compromised cheeses are the lower-fat, lower-sodium formats. In our graded set, part-skim string cheese (Frigo Light String) and a light American single (Kraft Singles) tied for the top at a B- (70/100) — they trim the saturated fat that sinks the full-fat blocks while keeping most of the protein. Part-skim and whole-milk mozzarella and the snack-portioned string cheeses follow close behind. The lowest scorers are the full-fat spreads and cream cheese (Boursin, Philadelphia), which carry the fat and sodium without much protein to balance it. See the full ranked list above.

Why is cheese high in sodium and saturated fat?

Both are structural to how cheese is made, not additives bolted on. Saturated fat comes from the milk itself — cheese concentrates whole-milk fat, so an ounce of a full-fat block carries roughly 6 g of total fat with about half of it saturated. Sodium comes from salt, which is part of the cheesemaking process: it draws out moisture, controls the cultures, and preserves the cheese, on top of seasoning it. That is why even a clean four-ingredient cheese scores an F on sodium and a D on saturated fat on our scale — the salt and dairy fat are doing real work, but they still count against the grade.

Is cheese OK for weight loss?

It can be, with portion control. Cheese is calorie-dense — roughly 90–110 calories per ounce — so the danger is not the cheese itself but how easily a "serving" becomes three or four ounces melted over a dish. Used deliberately, the protein and fat are genuinely satiating, which can help you eat less overall, and a single string cheese (about 70–80 calories) is a sane, portion-controlled snack. The leaner, lower-sodium formats (part-skim string cheese, light singles) give you the most protein-and-calcium per calorie. Treat cheese as a measured topping or a single-serving snack rather than a free-pour, and it fits a weight-loss plan fine.

How does the Labelgrade grade work for cheese?

Every product is scored on six dimensions — protein density, ingredient quality, added sugar, sodium, fiber, and saturated fat — which combine into a 0–100 score and a letter grade. Crucially, the grade is absolute: it compares cheese against all packaged foods, not just other cheeses. Cheese reliably earns an A on protein density and an A+ on sugar (fermentation eats the milk sugar), but an F on fiber (it has none, like all pure dairy), an F on sodium, and a D on saturated fat. Two of those six dimensions being near-automatic losses is exactly why no cheese in our set could climb past a B-. Every number is read off the product label and verified against USDA data.