Half and Half vs Light Mayonnaise
Side-by-side macro comparison. Half and Half vs Light Mayonnaise per their standard serving sizes.
Light Mayonnaise
per 1 tbsp (15g)
Macro Comparison Table
| Macro | Half and Half | Light Mayonnaise | Difference |
|---|---|---|---|
| Calories | 20 cal | 35 cal | -43% Half |
| Protein | 0.4g | 0g | 0% Half |
| Carbs | 0.6g | 1g | -40% Half |
| Fat | 1.7g | 3.5g | -51% Half |
Differences shown relative to Half and Half. Positive = Half and Half has more.
Quick Take
Half and Half delivers 20 calories per serving with 0.4g protein, 0.6g carbs, and 1.7g fat. Light Mayonnaise delivers 35 calories with 0g protein, 1g carbs, and 3.5g fat. The most meaningful difference: they're within 15 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, Half and Half gives you 15 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), Half and Half delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Light Mayonnaise brings 35 calories — useful when you're chasing a surplus and struggling to eat enough. Half and Half 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 Half and Half and Light Mayonnaise are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Half and Half or Light Mayonnaise?
Half and Half has more protein: 0.4g vs 0g per serving. That's a difference of 0.4g.
Which has fewer calories, Half and Half or Light Mayonnaise?
Half and Half has 20 calories per serving vs 35 calories in Light Mayonnaise — a difference of 15 calories.
Is Half and Half or Light Mayonnaise better for keto?
Half and Half is the better keto choice at 0.6g carbs per serving vs 1g carbs in Light Mayonnaise.
Is Half and Half or Light Mayonnaise better for weight loss?
For weight loss, Half and Half gives you more calorie flexibility (15 cal less per serving). For preserving muscle during a deficit, Half and Half delivers more protein per calorie. Most people on cuts benefit from Half and Half.
Which Is Better for Your Goal?
🔥 Weight Loss
Half and Half
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Half and Half
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Half and Half
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 Half and Half and Light Mayonnaise stack up:
Full Half and Half guide • Full Light Mayonnaise guide • All comparisons