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How Many Calories in Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter?

✓ 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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463
calories per 100g
130 calories per 1 bar (28g)
5.9gProtein
64.7gCarbs
20.8gFat
2.6gFibre

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⚖ Kitchen Scales

Quick reference — common serving sizes

AmountCaloriesProtein
1 oz (28g)131 kcal1.7g
100g463 kcal5.9g
grams
463kcal
5.9gprotein
64.7gcarbs
20.8gfat
2.6gfibre

A snacks, m&m mars, kudos whole grain bars, peanut butter contains 463 calories per 100g. A typical 1 bar (28g) provides about 130 calories. Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter is high in calories. Accurate tracking starts with weighing portions — a digital kitchen scale removes all the guesswork.

Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter Nutrition Facts

NutrientPer 100gPer serving (28g)
Calories463 kcal130 kcal
Protein5.9g1.7g
Carbohydrates64.7g18.1g
of which Sugars44.3g12.4g
Fat20.8g5.8g
of which Saturates10.4g2.9g
Fibre2.6g0.7g
Sodium268.0mg75mg
Potassium0.0mg0mg
Calcium871.0mg244mg
Iron0.9mg0.3mg
Vitamin C0.3mg0.1mg
Vitamin A0.0µg0µg
Selenium0µg0µg
Riboflavin (B2)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 snacks, m&m mars, kudos whole grain bars, peanut butter 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 snacks, m&m mars, kudos whole grain bars, peanut butter 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 snacks, m&m mars, kudos whole grain bars, peanut butter fit your diet?

Moderation note

Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter is relatively energy-dense (463 kcal/100g) with 10.4g 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 snacks, m&m mars, kudos whole grain bars, peanut butter per 100g?

Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter contains 463 calories per 100g, based on USDA reference data.

Is snacks, m&m mars, kudos whole grain bars, peanut butter high in calories?

A 1 bar of snacks, m&m mars, kudos whole grain bars, peanut butter (28g) has around 130 calories — roughly 6% of a 2,000-calorie daily intake.

Is snacks, m&m mars, kudos whole grain bars, peanut butter good for weight loss?

Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter is fairly calorie-dense at 463 calories per 100g, so portion size matters when losing weight. A 1 bar provides about 130 calories.

How much protein is in snacks, m&m mars, kudos whole grain bars, peanut butter?

Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter contains 5.9g of protein per 100g.

Is snacks, m&m mars, kudos whole grain bars, peanut butter a good source of fibre?

Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter is relatively low in fibre at 2.6g per 100g, so pairing it with fibre-rich sides (vegetables, whole grains, legumes) can help balance a meal.

How does snacks, m&m mars, kudos whole grain bars, peanut butter compare to austin, peanut butter on toasty crackers, sandwich-type, reduced fat?

Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter has 463 calories per 100g, close to austin, peanut butter on toasty crackers, sandwich-type, reduced fat at 463 — 0 calories fewer per 100g. See the full macro breakdown above.

How many servings of snacks, m&m mars, kudos whole grain bars, peanut butter for 20g of protein?

With 5.9g of protein per 100g, you'd need roughly 339g of snacks, m&m mars, kudos whole grain bars, peanut butter to reach 20g of protein

Foods with a similar calorie count

Other snacks closest to snacks, m&m mars, kudos whole grain bars, peanut butter by calories per 100g:

FoodCaloriesProteinCarbsFat
Snacks, M&M Mars, Kudos Whole Grain Bars, Peanut Butter (this page)463 kcal5.9g64.7g20.8g
Austin, Peanut Butter On Toasty Crackers, Sandwich-type, Reduced Fat463 kcal9.5g67.2g18.0g
Snacks, M&M Mars, Combos Snacks Cheddar Cheese Pretzel463 kcal9.8g66.5g16.9g
Candies, Mars Snackfood US, Milky Way Caramels, Milk Chocolate Covered463 kcal4.3g68.5g19.2g
Candies, Mars Snackfood US, Pop'Ables Milky Way Brand Bite Size Candies463 kcal3.3g71.8g18.0g
Keebler, Traditions, Iced Oatmeal Cookies463 kcal5.4g71.0g18.0g
Mother'S, Iced Oatmeal Cookies463 kcal5.4g71.0g18.0g

More kit for snacks, m&m mars, kudos whole grain bars, peanut butter tracking

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