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  4. Mars Snackfood Us, Twix Peanut Butter Cookie Bars

Soft cookies are eaten fast and the brain barely registers them. A meta-analysis of 40 oral processing studies (Krop et al., Appetite 2018) found chewing reduces hunger and intake — soft baked goods skip that brake. This cookie has 547 kcal and 36.1 g sugar per 100 g.

About this food

How should I track Mars Snackfood Us, Twix Peanut Butter Cookie Bars?

Mars Snackfood Us, Twix Peanut Butter Cookie Bars is a good source of zinc. The trickiest part about tracking Mars Snackfood Us, Twix Peanut Butter Cookie Bars is that small portions pack a lot of calories, and most people estimate sweet portions poorly. Research (Almiron-Roig et al., Appetite 2013) found that calorie-dense foods are underestimated by 50–200% when portioned by eye. Weighing on a scale takes the guesswork out. And here is the mindset shift that helps: tracking sweets is not about guilt. It is about awareness. When you log a treat honestly, you can plan around it and still hit your targets for the day.

Macro Breakdown

Macro Split: 7% Protein, 40% Carbs, 53% FatFat53%
Protein7%9.2g
Carbs40%54.1g
Fat53%32.7g

Nutrition Facts

Per 100g. Percentages reflect Daily Value (DV).

Energy
  • Calories
    547kcal—
Macronutrients
  • Protein
    9.2g18%
  • Carbohydrates
    54.1g—
  • Fat
    32.7g—
  • Fiberathlete
    3.1g11%
  • Sugar
    36.1g—
  • Saturated Fat
    15.8g—
Minerals
  • Sodium
    226mg—
  • Calciumathlete
    75mg6%
  • Ironathlete
    1mg7%
Vitamins
  • Vitamin Dathlete
    0.0mcg0%

% Daily Value based on FDA 2,000 kcal reference diet. Strength trainees have different needs — see highlighted nutrients.

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Mars Snackfood Us, Twix Peanut Butter Cookie Bars — values for 100g

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Primary macros

Calories
547
kcal
Protein
9.2
g
Carbs
54.1
g
Fat
32.7
g

More nutrients

Fiber
3.1g
Sugar
36.1g
Sat. Fat
15.8g
Sodium
226mg
Calcium
75mg
Iron
1mg
Potassium
264mg
Magnesium
61mg
Zinc
2mg
Vitamin D
0.0mcg
Nutrient highlights
Good Source of ZincGood Source of MagnesiumGood Source of Fiber

Frequently Asked Questions

Mars Snackfood Us, Twix Peanut Butter Cookie Bars is a good source of zinc. The trickiest part about tracking Mars Snackfood Us, Twix Peanut Butter Cookie Bars is that small portions pack a lot of calories, and most people estimate sweet portions poorly. Research (Almiron-Roig et al., Appetite 2013) found that calorie-dense foods are underestimated by 50–200% when portioned by eye. Weighing on a scale takes the guesswork out. And here is the mindset shift that helps: tracking sweets is not about guilt. It is about awareness. When you log a treat honestly, you can plan around it and still hit your targets for the day.

Mars Snackfood Us, Twix Peanut Butter Cookie Bars contains 9.2g protein per 100g, which is lower in protein. A 100g serving provides 9.2g protein.

Notable nutrients in Mars Snackfood Us, Twix Peanut Butter Cookie Bars include Zinc, Magnesium and Fiber. Per 100g: 9.2g protein, 54.1g carbs, and 32.7g fat.

Mars Snackfood Us, Twix Peanut Butter Cookie Bars contains 547 kcal per 100g, making it more calorie-dense. For weight loss, control portion sizes and fit it within your daily calorie targets.

Mars Snackfood Us, Twix Peanut Butter Cookie Bars is not ideal for a keto diet. At 51.0g net carbs per 100g, a single serving could easily exceed the daily 20-50g net carb limit.

Mars Snackfood Us, Twix Peanut Butter Cookie Bars provides 547 kcal, 9.2g protein, 54.1g carbs, and 32.7g fat per 100g. Compare with other sweets & desserts foods in our database to find the best option for your nutritional goals.

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Sweets & Desserts

Mars Snackfood Us, Twix Peanut Butter Cookie Bars

Macros per 100g

547
Calories
Protein9.2g
Fat32.7g
Carbs54.1g
Article research basis
1,316Papers Analyzed
4,659Foods in Database
100%Peer-Reviewed Sources
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Reviewed by Calibr8

Peer-reviewed data · Last updated March 23, 2026

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