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How Many Calories in Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars?

✓ 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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536
calories per 100g
289 calories per 1 package (54g)
9.2gProtein
54.1gCarbs
32.7gFat
3.1gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)152 kcal2.6g
100g536 kcal9.2g
1 package289 kcal5.0g
grams
536kcal
9.2gprotein
54.1gcarbs
32.7gfat
3.1gfibre

A candies, mars snackfood us, twix peanut butter cookie bars contains 536 calories per 100g. A typical 1 package (54g) provides about 289 calories. Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars Nutrition Facts

NutrientPer 100gPer serving (54g)
Calories536 kcal289 kcal
Protein9.2g5.0g
Carbohydrates54.1g29.2g
of which Sugars36.1g19.5g
Fat32.7g17.7g
of which Saturates15.8g8.5g
Fibre3.1g1.7g
Sodium226.0mg122mg
Potassium264.0mg143mg
Calcium75.0mg40mg
Iron1.3mg0.7mg
Vitamin C0.3mg0.2mg
Vitamin A20.0µg11µg
Selenium12.9µg7µg
Riboflavin (B2)0.1mg0.1mg

% 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 candies, mars snackfood us, twix peanut butter cookie bars 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 candies, mars snackfood us, twix peanut butter cookie bars 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 candies, mars snackfood us, twix peanut butter cookie bars fit your diet?

Moderation note

Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars is relatively energy-dense (536 kcal/100g) with 15.8g 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 candies, mars snackfood us, twix peanut butter cookie bars per 100g?

Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars contains 536 calories per 100g, based on USDA reference data.

Is candies, mars snackfood us, twix peanut butter cookie bars high in calories?

A 1 package of candies, mars snackfood us, twix peanut butter cookie bars (54g) has around 289 calories — roughly 14% of a 2,000-calorie daily intake.

Is candies, mars snackfood us, twix peanut butter cookie bars good for weight loss?

Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars is fairly calorie-dense at 536 calories per 100g, so portion size matters when losing weight. A 1 package provides about 289 calories.

How much protein is in candies, mars snackfood us, twix peanut butter cookie bars?

Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars contains 9.2g of protein per 100g.

Is candies, mars snackfood us, twix peanut butter cookie bars a good source of fibre?

Yes — candies, mars snackfood us, twix peanut butter cookie bars provides 3.1g of fibre per 100g, which is a meaningful contribution toward the commonly cited 28g daily reference intake.

How does candies, mars snackfood us, twix peanut butter cookie bars compare to candies, mars snackfood us, snickers munch bar?

Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars has 536 calories per 100g, close to candies, mars snackfood us, snickers munch bar at 536 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of candies, mars snackfood us, twix peanut butter cookie bars for 20g of protein?

With 9.2g of protein per 100g, you'd need roughly 217g of candies, mars snackfood us, twix peanut butter cookie bars to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to candies, mars snackfood us, twix peanut butter cookie bars by calories per 100g:

FoodCaloriesProteinCarbsFat
Candies, Mars Snackfood US, Twix Peanut Butter Cookie Bars (this page)536 kcal9.2g54.1g32.7g
Candies, Mars Snackfood US, Snickers Munch Bar536 kcal15.2g43.6g36.2g
Snacks, Potato Chips, Plain, Made with Partially Hydrogenated Soybean Oil, Salted536 kcal7.0g52.9g34.6g
Snacks, Potato Chips, Plain, Made with Partially Hydrogenated Soybean Oil, Unsalted536 kcal7.0g52.9g34.6g
Snacks, Potato Chips, Plain, Unsalted536 kcal7.0g52.9g34.6g
Granola Bar, Soft, Milk Chocolate Coated, Peanut Butter536 kcal9.6g54.1g31.2g
Margarine-like, Vegetable Oil Spread, 60% Fat, Stick, with Salt537 kcal0.1g0.7g60.4g

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