USDA-derived comparison
Mayonnaise vs Pesto
Pesto leads for Vitamin E, Vitamin B2 and Phosphorus per 100g, while Mayonnaise holds its own elsewhere.
Who each is for: Choose pesto for vitamin E and vitamin B2.
Reviewed 20 July 2026. Generic food data per 100g; brands and preparation vary.
Mayonnaise
Typical serving: 1 tbsp (15g)
11/100
No clear per-100g leads, which is a result in itself.
Full Mayonnaise pagePesto
Typical serving: 1 tbsp (16g)
24/100
Side by side, per 100g
The stronger number is highlighted, honestly: higher wins for aim-for nutrients, lower wins for stay-under ones like saturated fat and sodium.
| Nutrient | Mayonnaise | Pesto |
|---|---|---|
| Calories | 680 kcal | 418 kcal |
| Protein | 1 g | 10 g |
| Carbs | 1 g | 10 g |
| Fat | 75 g | 38 g |
| Fiber | 0 g | 2 g |
| Sat fat | 12 g | 7 g |
| Sodium | 635 mg | 603 mg |
| Potassium | 20 mg | 560 mg |
| Calcium | 8 mg | 306 mg |
| Iron | 0.2 mg | 0.6 mg |
| Magnesium | 1 mg | 47 mg |
| Zinc | 0.2 mg | 1.3 mg |
| Vitamin C | 0 mg | 0 mg |
| Vitamin D | 0.2 µg | 0 µg |
| Vitamin B12 | 0.1 µg | 0 µg |
| Folate | 5 µg | 16 µg |
Servings differ: 1 tbsp of mayonnaise is about 15g, 1 tbsp of pesto about 16g. Scale accordingly before deciding anything on the 100g basis alone.
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