Bowl of sour cream beside a baked potato with chives

Is Sour Cream Healthy? What the Evidence Says

ByCraig Brockie Last updated

The verdict: sour cream is fine in small amounts

Sour cream is a cultured dairy topping that is mostly fat. A 2-tablespoon dollop has about 48 calories and 2.4 grams of saturated fat, with very little protein, calcium or fiber, based on USDA FoodData Central. In the amounts most people use, it is neither a health food nor a problem.

Long-term studies have not linked moderate cream or sour cream intake to heart disease or stroke, and one large Swedish study tied higher cream intake to a lower risk of type 2 diabetes. The real issue is portion size: the saturated fat adds up quickly when a dollop turns into half a cup.

What is in sour cream

Under US federal rules, sour cream is pasteurized cream soured by lactic acid bacteria. It must contain at least 18 percent milkfat and reach a set level of acidity, and makers may add ingredients that improve texture or extend shelf life (21 CFR 131.160). So some tubs contain only cream and cultures, while others add gums or starches.

Per 2 tablespoons (24 g)Sour creamPlain nonfat Greek yogurt
Calories4814
Total fat4.7 g0.1 g
Saturated fat2.4 gUnder 0.1 g
Protein0.6 g2.4 g
Sugars (mostly lactose)0.8 g0.8 g
Calcium24 mg26 mg
Vitamin A30 mcg RAETrace

Figures are calculated from the USDA entries for cultured sour cream and plain nonfat Greek yogurt. Sour cream’s main nutritional extra is vitamin A from milk fat, about 3 percent of the Daily Value per serving. More on the swap: what Greek yogurt is.

What the research shows

Few studies look at sour cream alone. Most group it with cream or fermented dairy, so the evidence is indirect and mostly observational.

Heart disease and stroke

In the Malmö Diet and Cancer study, researchers followed 26,445 Swedish adults for about 12 years. Overall dairy intake had a borderline link with lower cardiovascular risk, but among single foods only fermented milk (yogurt and soured milk) showed a clear link, about 15 percent lower risk at the highest intake. Cream showed no significant link in either direction (Sonestedt et al., 2011).

A second Swedish cohort of 74,961 adults, followed for about 10 years, found that cream and crème fraîche, a close cousin of sour cream, were not associated with stroke risk (Larsson et al., 2012).

Type 2 diabetes

In 26,930 adults from the same Malmö cohort, followed for 14 years, people who ate the most regular-fat dairy had a 23 percent lower risk of type 2 diabetes than those who ate the least. The clearest links were for cream and high-fat fermented milk (Ericson et al., 2015). This kind of study shows an association, not cause and effect.

Inflammation after a meal

In a randomized crossover trial, 47 healthy adults ate four high-fat meals built around butter, cheese, whipped cream or sour cream, each with a similar fat content. After the fermented meals (cheese and sour cream), genes linked to inflammation in blood immune cells tended to be dialed down, while butter and whipped cream tended to push them up (Rundblad et al., 2020). These were single meals and short-term markers, and one author worked for a dairy company.

Fermented dairy as a group

A meta-analysis of 10 cohort studies with about 385,000 people linked fermented dairy with a 17 percent lower risk of cardiovascular disease, driven mainly by cheese and yogurt (Zhang et al., 2020). Sour cream was not analyzed separately, so these results do not transfer to it directly. Our guide to fermented foods for gut health covers the wider picture.

Caveats to keep in mind

  • Saturated fat adds up: the Dietary Guidelines for Americans, 2025-2030 say saturated fat should not exceed 10 percent of daily calories, or about 22 grams on a 2,000-calorie diet. Two tablespoons of sour cream use about 11 percent of that budget; half a cup uses about half.
  • The studies are observational: most come from Sweden, and cream eaters may differ from others in ways researchers cannot fully adjust for.
  • Live cultures are not guaranteed: the federal standard requires souring by bacteria but sets no count of live bacteria at the time of sale (21 CFR 131.160). The industry Live & Active Cultures seal requires at least 100 million cultures per gram at manufacture for yogurt and other cultured dairy (IDFA). Counts in fermented foods vary widely with processing and storage (Rezac et al., 2018).
  • Lactose is low per serving: two tablespoons have about 0.8 grams of lactose. The NIDDK says most people with lactose intolerance can have some lactose, and many can handle about 12 grams, roughly a cup of milk, with mild or no symptoms.

How to choose and use sour cream

Bowls of sour cream and Greek yogurt side by side
  1. Read the ingredient list. The shortest lists contain cream and cultures; longer ones add thickeners.
  2. Look for “live and active cultures” if microbes matter to you. Only a label claim tells you bacteria were meant to survive. Our page on probiotic foods explains what that does and does not mean.
  3. Measure once. Two level tablespoons is the standard serving.
  4. Try a half-and-half swap. Mixing sour cream with plain Greek yogurt keeps the tang, adds protein and cuts fat in dips.
  5. Pair it with fiber. Beans, lentils, vegetables and whole grains feed gut bacteria in a way sour cream cannot. See the best foods for gut health.
  6. Full-fat or light? The new Dietary Guidelines encourage full-fat dairy with no added sugars, within the same saturated fat limit (DGA 2025-2030). Reduced-fat versions cut calories but often add thickeners, so compare labels.

Does sour cream have probiotics?

It is made with lactic acid bacteria, but US rules set no live count at the time of sale, so only products labeled with live and active cultures can be expected to contain them (21 CFR 131.160). Live cultures alone do not make a food a proven probiotic.

Is Greek yogurt a healthier swap for sour cream?

For most goals, yes. Per USDA, 2 tablespoons of plain nonfat Greek yogurt have about 14 calories and 2.4 grams of protein, compared with 48 calories and 0.6 grams for sour cream (USDA FoodData Central).

Can I eat sour cream if I am lactose intolerant?

Often, in small amounts. Two tablespoons hold under 1 gram of lactose, and NIDDK says many people with lactose intolerance tolerate about 12 grams at a time (NIDDK).

How much sour cream is too much?

There is no set limit. Keep your total saturated fat under 10 percent of daily calories, about 22 grams on 2,000 calories, and remember that 2 tablespoons of sour cream supply about 2.4 grams.

Related topics

Sources

Craig Brockie is the founder of Ultimate Health Solutions, the company behind Ultimate Gut, and the author of Ultimate Health, The Ultimate Gut Health Guide and The Unlimited Probiotics Guide. After injuries and chronic health problems in his twenties that conventional care didn’t resolve, he began researching health on his own and has studied natural health for 30 years. He is not a medical professional, and his articles are general information, not medical advice.

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