Smart Balance Cooking Oil is a blend of canola oil, soybean oil, and olive oil, all of which are considered heart-healthy by major nutrition guidelines. As cooking oils go, it’s a reasonable choice. The blend provides mostly unsaturated fats, which are the type linked to better cholesterol levels and lower cardiovascular risk. But whether it’s meaningfully better than simply using one of those oils on its own is a fair question.
What’s Actually in the Blend
The ingredient list is short: canola oil, soybean oil, and olive oil. That’s it. No preservatives like TBHQ or BHA appear on the cooking oil label. (The Smart Balance butter spread is a different product with a longer ingredient list, which sometimes causes confusion.) The cooking oil blend is a straightforward mix of three plant-based oils with no artificial additives listed.
Canola oil is high in monounsaturated fat and has one of the lowest saturated fat contents of any common cooking oil, around 7%. Soybean oil contributes polyunsaturated fats, including omega-6 and a small amount of omega-3. Olive oil adds monounsaturated fat and naturally occurring antioxidants, though the amount present depends on how refined the olive oil is. In a blend like this, the olive oil is likely refined rather than extra virgin, which means fewer of those protective compounds survive processing.
How It Stacks Up for Heart Health
The American Heart Association’s 2026 dietary guidance specifically names soybean, canola, and olive oils as examples of nontropical plant oils that belong in a heart-healthy diet. The core recommendation is simple: use liquid plant oils in place of animal fats like butter and beef tallow, and in place of tropical oils like coconut and palm oil. All three oils in Smart Balance fit that guidance.
Replacing saturated fat with unsaturated fat is one of the most well-supported dietary strategies for improving cholesterol levels. Since the Smart Balance blend is dominated by unsaturated fats, using it instead of butter or coconut oil for cooking would shift your fat intake in the direction cardiologists recommend. In that sense, it earns its “heart-healthy” marketing.
Some Smart Balance products (particularly their spreads) are fortified with plant sterols, compounds that can reduce LDL cholesterol by blocking its absorption in the gut. The FDA supports claims that consuming at least 1.3 grams of plant sterols per day can reduce heart disease risk, while the National Cholesterol Education Program recommends 2 grams daily. However, the cooking oil blend itself is not a significant source of added plant sterols, so don’t count on it for that benefit.
Refined Oils and Inflammation Concerns
One common worry about blended vegetable oils is that the refining process strips away nutrients and may promote inflammation. This concern is especially directed at oils high in omega-6 fatty acids, like soybean oil. The reasoning goes that a high ratio of omega-6 to omega-3 in the diet could drive inflammatory processes in the body.
The clinical evidence is more nuanced than the concern suggests. A systematic review in Frontiers in Nutrition examined 11 studies on seed oils, including canola, and found that these oils can positively influence cholesterol levels and blood sugar control. The inflammation question remains harder to pin down. Most studies looking at moderate consumption of these oils in the context of a balanced diet have not found alarming increases in inflammatory markers. The issue tends to arise when refined oils dominate the diet and displace other fat sources, particularly omega-3-rich foods like fatty fish, walnuts, and flaxseed.
If your diet already includes good omega-3 sources, using Smart Balance oil for everyday cooking is unlikely to tip the inflammatory balance in a harmful direction. If your fat intake comes almost entirely from refined vegetable oils with very little omega-3, the blend won’t fix that imbalance on its own, even though it contains canola oil (which does provide some omega-3).
Smart Balance Oil vs. Single Oils
The practical question most people are really asking is whether this blend offers something they can’t get from a single bottle of oil. The honest answer: not much. You could achieve a similar or better nutritional profile by keeping a bottle of extra virgin olive oil for lower-heat cooking and dressings, and a bottle of canola oil for higher-heat cooking. Extra virgin olive oil, in particular, retains more of its beneficial plant compounds than the refined olive oil typically used in blends.
Where Smart Balance oil does offer convenience is in providing a single, all-purpose oil with a neutral flavor and a reasonable smoke point. If you want one bottle that works for sautéing, baking, and dressings without thinking about which oil to grab, the blend serves that purpose. The fat profile is solid, leaning heavily toward unsaturated fats with relatively low saturated fat content.
What to Keep in Perspective
No cooking oil is a health food in isolation. Oil is calorie-dense, at roughly 120 calories per tablespoon regardless of the source. The health benefits of choosing unsaturated over saturated fats are real, but they show up in the context of your overall diet, not from any single product. Smart Balance oil is a fine choice within that bigger picture. It contains three oils that nutrition authorities recommend, it avoids the tropical oils they caution against, and it keeps saturated fat low.
The biggest gains come not from choosing the perfect oil but from using liquid plant oils consistently instead of solid fats. If Smart Balance oil helps you do that because you like the taste or the convenience, it’s doing its job.