Heavy Cream vs Light Mayonnaise
Side-by-side macro comparison. Heavy Cream vs Light Mayonnaise per their standard serving sizes.
Light Mayonnaise
per 1 tbsp (15g)
Macro Comparison Table
| Macro | Heavy Cream | Light Mayonnaise | Difference |
|---|---|---|---|
| Calories | 51 cal | 35 cal | +46% Heavy |
| Protein | 0.4g | 0g | 0% Heavy |
| Carbs | 0.4g | 1g | -60% Heavy |
| Fat | 5.4g | 3.5g | +54% Heavy |
Differences shown relative to Heavy Cream. Positive = Heavy Cream has more.
Quick Take
Heavy Cream delivers 51 calories per serving with 0.4g protein, 0.4g carbs, and 5.4g fat. Light Mayonnaise delivers 35 calories with 0g protein, 1g carbs, and 3.5g fat. The most meaningful difference: they're within 16 calories per serving, so calorie load is essentially equivalent. Both deliver similar protein density.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Light Mayonnaise gives you 16 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), Heavy Cream delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Heavy Cream brings 51 calories — useful when you're chasing a surplus and struggling to eat enough. Heavy Cream delivers 0.4g 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
Both Heavy Cream and Light Mayonnaise are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Heavy Cream or Light Mayonnaise?
Heavy Cream has more protein: 0.4g vs 0g per serving. That's a difference of 0.4g.
Which has fewer calories, Heavy Cream or Light Mayonnaise?
Light Mayonnaise has 35 calories per serving vs 51 calories in Heavy Cream — a difference of 16 calories.
Is Heavy Cream or Light Mayonnaise better for keto?
Heavy Cream is the better keto choice at 0.4g carbs per serving vs 1g carbs in Light Mayonnaise.
Is Heavy Cream or Light Mayonnaise better for weight loss?
For weight loss, Light Mayonnaise gives you more calorie flexibility (16 cal less per serving). For preserving muscle during a deficit, Heavy Cream delivers more protein per calorie. Most people on cuts benefit from Heavy Cream.
Which Is Better for Your Goal?
🔥 Weight Loss
Light Mayonnaise
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Heavy Cream
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Heavy Cream
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:
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Other ways Heavy Cream and Light Mayonnaise stack up:
Full Heavy Cream guide • Full Light Mayonnaise guide • All comparisons