Keto Approved
Margarine
0.10g net carbs per 1 tbsp
Spread on a slice of low-carb toast or melted over steamed broccoli, it carries 0.1 g net carbs per tablespoon, so it slots into a keto day easily. The 11.3 g of fat does most of the heavy lifting here, which makes it handy when you want to bump up calories without touching your carb budget.
By MeKeto Editorial · Last updated July 2026
Nutrition Facts
Fits My Daily Budget?
Set your daily net carb limit to see how one serving fits.
One serving uses 1% of your 20g daily budget.
Plan the rest of your day
Good to Know
Stick versions tend to hold up better for frying than tub spreads, which often blend in water and air to stay soft. Read past the front label, since some "buttery" tubs sneak in skim milk or whey that nudge the carb count up a touch, and a few light or whipped formulas add fillers. Brands like Country Crock and I Can't Believe It's Not Butter sell plant-based sticks that keep the fat high and the carbs near nothing, which is exactly what you want here.
Is Margarine Keto? The Full Answer
Margarine contains 0.10g net carbs per 1 tbsp (0.10g total carbs minus 0.00g fiber). Spread on a slice of low-carb toast or melted over steamed broccoli, it carries 0.1 g net carbs per tablespoon, so it slots into a keto day easily. The 11.3 g of fat does most of the heavy lifting here, which makes it handy when you want to bump up calories without touching your carb budget.
On a standard ketogenic diet, most people target 20-25g net carbs per day. A single serving uses 1% of a 20g daily carb limit. That makes Margarine a reliable keto staple.
Measure Your Ketone Levels
A blood ketone meter reads beta-hydroxybutyrate from a finger prick, the marker that defines nutritional ketosis at 0.5 to 3.0 mmol/L. Urine strips measure acetoacetate instead, which drops off once you are fat-adapted. Keto-Mojo makes a blood meter.
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