Is Mayonnaise Keto?

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Mayonnaise sticker illustration
KETO VERDICTYES

Mayonnaise is excellent for keto: ~0.6g net carbs and ~80g fat per 100g. Opt for avocado- or olive-oil mayo (no sugar/starch) to keep ingredients clean for salads, dips, and lettuce-wrapped “sandwiches.”

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YOUR PORTION

How much are you having?

Scale the published reference values to your portion.

Per 100 g (as listed by source). Curated estimate; estimated values.

How this is calculated

total carbohydrate - fiber. Each published value is multiplied by your portion divided by the reference amount. No extra fiber, sugar alcohol or allulose deductions are applied here.

Grams and milliliters are not interchangeable. Household measures require a food-specific conversion; check your scale or product label.

0.6gnet carbs in your portion

Total carbs
0.8g
Fiber
0g
Protein
0.3g
Fat
80g
Calories
680
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Mayonnaise is excellent for keto: ~0.6g net carbs and ~80g fat per 100g. Opt for avocado- or olive-oil mayo (no sugar/starch) to keep ingredients clean for salads, dips, and lettuce-wrapped “sandwiches.”

  • Net carbs (100 g)0.6g
  • Protein (100 g)0.3g
  • Fat (100 g)80g
  • Keto verdictKeto-friendly

NUTRITION FACTS

Per 100 g (as listed by source)

Net Carbs
0.6g
Total Carbs
0.8g
Fiber
0g
Protein
0.3g
Fat
80g
Calories
680

Source: Curated estimate

Source fit: curated estimate; not an exact source match

Net-carb calculation: total carbohydrate - fiber

A USDA reference record exists, but the displayed basis or macros do not directly reproduce it, so KetoLens does not attribute these values to USDA. Check the current label for packaged products.

Nutrition record reviewed 2026-07-09. Maintained by KetoLens Team.

WHY IT'S KETO-FRIENDLY

  • Ultra-low net carbs (~0.6g/100g) won’t disrupt ketosis
  • High fat content supports keto macros and satiety
  • Versatile binder for tuna/egg/chicken salads and sauces
  • Fat helps absorb fat-soluble vitamins (A, D, E, K) from meals
  • Easy way to add calories on low appetite days
  • Choose sugar-free, high-oleic oils for a cleaner profile

PREPARATION SUGGESTIONS

BURGER TOPPING

Spread on keto burgers or lettuce wraps; add pickles and Yellow Mustard.

OPTIONAL BUYING OPTIONS

As an Amazon Associate I earn from qualifying purchases. KetoLens may earn a commission when you buy through Amazon links on this page. Affiliate links do not affect our keto verdicts.

These listings may describe a different variant or formulation from this food reference. Check the flavor, size, pack count, and current product label on Amazon. Photos show representative packaging.

Primal Kitchen Mayo with Avocado Oil, 12 fl oz (1 jar)

Primal Kitchen Mayo with Avocado Oil, 12 fl oz (1 jar)

Related buying option

Affiliate option. Check the current product label for serving size, total carbohydrate, fiber, sugar alcohols, allulose, ingredients, allergens, and formulation changes before buying.

Chosen Foods Classic Mayo (100% Avocado Oil-Based)

Chosen Foods Classic Mayo (100% Avocado Oil-Based)

Related buying option

Affiliate option. Check the current product label for serving size, total carbohydrate, fiber, sugar alcohols, allulose, ingredients, allergens, and formulation changes before buying.

Sir Kensington's Avocado Oil Mayonnaise, 12 oz listing

Related buying option

Manufacturer images show both egg-based and vegan packages. The exact formulation of this Amazon listing remains unverified. Check its current ingredient and allergen label before buying.

Source: Sir Kensington’s package images · Checked 2026-09-06

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