Cereal vs M&Ms (peanut)

Side-by-side macro comparison. Cereal vs M&Ms (peanut) per their standard serving sizes.

Cereal

per 1 cup (30g)

110 cal
2g Protein
24g Carbs
1g Fat
Full Cereal macros →
vs

M&Ms (peanut)

per small bag (49g)

250 cal
5g Protein
30g Carbs
13g Fat
Full M&Ms (peanut) macros →

Macro Comparison Table

Macro Cereal M&Ms (peanut) Difference
Calories 110 cal 250 cal -56% Cereal
Protein 2g 5g -60% Cereal
Carbs 24g 30g -20% Cereal
Fat 1g 13g -92% Cereal

Differences shown relative to Cereal. Positive = Cereal has more.

Quick Take

Cereal delivers 110 calories per serving with 2g protein, 24g carbs, and 1g fat. M&Ms (peanut) delivers 250 calories with 5g protein, 30g carbs, and 13g fat. The most meaningful difference: Cereal saves 140 calories per serving — meaningful over a week of meals. Both deliver similar protein density.

When to Pick Each

For Cutting / Weight Loss

When cutting on a tight calorie budget, Cereal gives you 140 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), M&Ms (peanut) delivers more grams of protein per calorie consumed.

For Bulking / Muscle Gain

For muscle gain, you want calories AND protein. M&Ms (peanut) brings 250 calories — useful when you're chasing a surplus and struggling to eat enough. M&Ms (peanut) delivers 5g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.

For Keto / Low-Carb

Cereal fits cleanly into keto with only 24g carbs. M&Ms (peanut) at 30g carbs uses significantly more of your daily 20-30g carb budget.

Frequently Asked

Which has more protein, Cereal or M&Ms (peanut)?

M&Ms (peanut) has more protein: 5g vs 2g per serving. That's a difference of 3g.

Which has fewer calories, Cereal or M&Ms (peanut)?

Cereal has 110 calories per serving vs 250 calories in M&Ms (peanut) — a difference of 140 calories.

Is Cereal or M&Ms (peanut) better for keto?

Cereal is the better keto choice at 24g carbs per serving vs 30g carbs in M&Ms (peanut).

Is Cereal or M&Ms (peanut) better for weight loss?

For weight loss, Cereal gives you more calorie flexibility (140 cal less per serving). For preserving muscle during a deficit, M&Ms (peanut) delivers more protein per calorie. Most people on cuts benefit from M&Ms (peanut).

Which Is Better for Your Goal?

🔥 Weight Loss

Cereal

Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.

💪 Muscle Gain

M&Ms (peanut)

Higher absolute protein per serving better supports muscle protein synthesis.

🥑 Low-Carb / Keto

Cereal

Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.

Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.

Find Your Personal Macros

The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:

→ Calculate My Macros (Free)

Related Comparisons

Other ways Cereal and M&Ms (peanut) stack up:

Full Cereal guideFull M&Ms (peanut) guideAll comparisons