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How Many Calories in Mayonnaise, Reduced Fat, with Olive Oil?

✓ Nutrition data reviewed against USDA FoodData Central and Public Health England guidance by Jordan Morley, Editorial Reviewer. Last reviewed: 27 October 2026.

Fact-checked against original USDA source data by Jordan Morley, Editorial Reviewer. Not a registered dietitian — nutrition figures are sourced directly from USDA FoodData Central, not independently assessed medical advice.

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361
calories per 100g
54 calories per 1 tbsp (15g)
MORiSH high-protein snacks — try alongside
0.4gProtein
0.0gCarbs
40.0gFat
0.0gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)102 kcal0.1g
100g361 kcal0.4g
1 tbsp54 kcal0.1g
grams
361kcal
0.4gprotein
0.0gcarbs
40.0gfat
0.0gfibre

A mayonnaise, reduced fat, with olive oil contains 361 calories per 100g. A typical 1 tbsp (15g) provides about 54 calories. Mayonnaise, Reduced Fat, with Olive Oil is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Mayonnaise, Reduced Fat, with Olive Oil Nutrition Facts

NutrientPer 100gPer serving (15g)
Calories361 kcal54 kcal
Protein0.4g0.1g
Carbohydrates0.0g0.0g
of which Sugars0.0g0.0g
Fat40.0g6.0g
of which Saturates5.4g0.8g
Fibre0.0g0.0g
Sodium800.0mg120mg
Potassium31.0mg5mg
Calcium0.0mg0mg
Iron0.0mg0.0mg
Vitamin C0.0mg0.0mg
Vitamin A8.0µg1µg
Selenium2.3µg0µg
Riboflavin (B2)0.0mg0.0mg

% of Daily Value (per 100g)

Based on a standard 2,000-calorie reference diet — the same basis used on nutrition labels in the US and UK.

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Have a cat or dog? Check whether mayonnaise, reduced fat, with olive oil is safe for your dog or safe for your cat before sharing. Also check the full ingredient breakdown and food safety guide for pregnancy and storage advice. Use a meal prep container set to portion out mayonnaise, reduced fat, with olive oil for the week. Tracking supplements too? Check drug and supplement interactions before combining anything new.

Good to know

Check the actual serving size on packaging before comparing to the per-100g figures here — snack portions are often smaller (or larger) than 100g.

Does mayonnaise, reduced fat, with olive oil fit your diet?

Low-carb / keto

Mayonnaise, Reduced Fat, with Olive Oil contains 0.0g of carbohydrate per 100g, low enough to fit comfortably within most low-carb or ketogenic daily carb allowances — check the fat and protein split above against your specific macro targets.

Moderation note

Mayonnaise, Reduced Fat, with Olive Oil is relatively energy-dense (361 kcal/100g) with 5.4g of saturated fat per 100g — fine as part of a varied diet, worth weighing rather than eyeballing if you're watching saturated fat intake specifically.

Frequently Asked Questions

How many calories in mayonnaise, reduced fat, with olive oil per 100g?

Mayonnaise, Reduced Fat, with Olive Oil contains 361 calories per 100g, based on USDA reference data.

Is mayonnaise, reduced fat, with olive oil high in calories?

A 1 tbsp of mayonnaise, reduced fat, with olive oil (15g) has around 54 calories — roughly 3% of a 2,000-calorie daily intake.

Is mayonnaise, reduced fat, with olive oil good for weight loss?

Mayonnaise, Reduced Fat, with Olive Oil is fairly calorie-dense at 361 calories per 100g, so portion size matters when losing weight. A 1 tbsp provides about 54 calories.

How much protein is in mayonnaise, reduced fat, with olive oil?

Mayonnaise, Reduced Fat, with Olive Oil contains 0.4g of protein per 100g.

Is mayonnaise, reduced fat, with olive oil a good source of fibre?

Mayonnaise, Reduced Fat, with Olive Oil is relatively low in fibre at 0.0g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does mayonnaise, reduced fat, with olive oil compare to cereals ready-to-eat, post, grape-nuts cereal?

Mayonnaise, Reduced Fat, with Olive Oil has 361 calories per 100g, close to cereals ready-to-eat, post, grape-nuts cereal at 361 — 0 calories fewer per 100g. See the full macro breakdown above.

Is mayonnaise, reduced fat, with olive oil keto-friendly?

Mayonnaise, Reduced Fat, with Olive Oil contains 0.0g of carbohydrate per 100g, which fits comfortably within most ketogenic daily carb allowances — check it against your specific daily carb target.

How many servings of mayonnaise, reduced fat, with olive oil for 20g of protein?

With 0.4g of protein per 100g, you'd need roughly 5000g of mayonnaise, reduced fat, with olive oil to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to mayonnaise, reduced fat, with olive oil by calories per 100g:

FoodCaloriesProteinCarbsFat
Mayonnaise, Reduced Fat, with Olive Oil (this page)361 kcal0.4g0.0g40.0g
Cereals Ready-to-eat, Post, Grape-Nuts Cereal361 kcal11.2g80.5g1.8g
Cereals, Quaker, Hominy Grits, White, Regular361 kcal8.8g79.2g1.6g
Cereals, Quaker, Weight Control Instant Oatmeal, Maple and Brown Sugar361 kcal16.4g64.2g6.2g
Cereals, Quaker, Weight Control Instant Oatmeal, Banana Bread361 kcal16.5g64.4g6.2g
Cereals, Quaker, Instant Oatmeal, Weight Control361 kcal16.5g64.2g6.3g
Cereals, Kellogg'S Special K Nourish, Cranberry Almond, Dry361 kcal15.0g63.3g8.4g

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Nutrition data: USDA FoodData Central (public domain, CC0 1.0). Values are per 100g unless stated.