Calories in Mars Peanut Butter Cookie Bar Twix

Instrument — Food Profile
100g
Calories

550.00

kcal
Protein

10.00

g
Carbs

55.00

g
Fat

30.00

g
Fiber

5.00

g
Sugar

35.00

g

Curious about the nutritional profile of mars peanut butter cookie bar twix? Whether you are tracking your macros or just want to know how many calories it contain, you are in the right place. A standard 100g serving of mars peanut butter cookie bar twix provides 550.00 calories, 10.00g of protein, and 55.00g of carbs.

Serving Size Variations

Portion Size Calories Protein Carbs Fat
100g (Standard) 550.00 kcal 10.00g 55.00g 30.00g
1 oz (28g) 154 kcal 2.8g 15.4g 8.4g
1 COOKIE (20g) 110 kcal 2.0g 11.0g 6.0g

Vitamins & Minerals

Nutrient Amount
Iron 1.80 mg
Sodium 300.00 mg
📊 Data Source: USDA FoodData Central Database (FDC ID: 1912179)
🩺 Reviewed by Ashwini Yadav Last Updated: July 2026

Nutrition FAQs

How many calories is in mars peanut butter cookie bar twix?

100 grams of mars peanut butter cookie bar twix contains exactly 550.00 calories.

How many calories is in 1 1 cookie of mars peanut butter cookie bar twix?

A single 1 cookie (20g) of mars peanut butter cookie bar twix provides 110 calories.

Is mars peanut butter cookie bar twix keto-friendly?

No, mars peanut butter cookie bar twix has 55.00g of carbs per 100g, which may disrupt ketosis.

Is mars peanut butter cookie bar twix a good source of protein?

It contains 10.00g of protein per 100g, which is moderate.