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McDonald's Mayonnaise Calories
High fat, low protein, fast food condiment
CALORIES
GI
POTASSIUM
FIBER
McDonald's Mayonnaise Nutrition Facts
Selected: 100 g
680
KCAL / 100G
Carbs
2g
· 1%
Protein
1g
· 1%
Fat
75g
· 98%
Fiber
0g
McDonald's Mayonnaise Vitamins & Minerals
Vitamins
Vitamin E
7mg · 47% DV
Vitamin K
50µg · 42% DV
B5
0.2mg · 4% DV
B12
0.1µg · 4% DV
Minerals
Sodium
650mg · 28% DV
Selenium
2µg · 4% DV
Iodine
3µg · 2% DV
Phosphorus
15mg · 2% DV
McDonald's Mayonnaise Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is McDonald's Mayonnaise Processed?
NOVA 4
Ultra-Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does McDonald's Mayonnaise Contain Allergens?
Contains these allergens:
Which Diets Is McDonald's Mayonnaise Good For?
Vegan
— Not suitable
Vegetarian
— Not suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
McDonald's Mayonnaise Fat Profile
SATURATED
7.5g
MONOUNSATURATED
22g
POLYUNSATURATED
18.5g
Omega 6:3 ratio 60:1
Above the ideal 4:1 (60:1).
Foods Similar to McDonald's Mayonnaise
McDonald's Mayonnaise — Frequently Asked Questions
How should McDonald’s mayonnaise be stored after opening, and how long does it keep?
It should be kept refrigerated after opening and the opening should stay clean. If it comes in a single-serve packet, it is best used right away rather than left at room temperature for long.
Can McDonald’s mayonnaise be frozen?
Freezing is usually not recommended because the emulsion can break, leading to separation and a watery texture after thawing. Chilled storage is better for quality.
Why can McDonald’s mayonnaise sometimes look split or separated?
Mayonnaise is an emulsion, so temperature changes, long holding times, or contamination from utensils can affect its texture. If it looks clearly separated, quality has likely declined and it may be better not to use it.
What foods pair best with McDonald’s mayonnaise for a more balanced meal?
Because it is very high in fat, it works better in small amounts alongside vegetables, grilled chicken, or a simple sandwich rather than as the main feature. Mixing it with yogurt, mustard, or lemon can also lighten the overall sauce.
Does heating or cooking McDonald’s mayonnaise change it?
Yes, high heat can make mayonnaise separate and lose its smooth texture. It is usually better added after cooking or used as a cold sauce.
Why does McDonald’s mayonnaise feel richer and heavier than ketchup?
The main reason is that mayonnaise is fat-based, which gives it a thicker, creamier mouthfeel. Even a small amount can therefore make food seem more indulgent.
Is a meal with mayonnaise a good choice before or right after a workout?
Before training, very fatty sauces can feel heavy and slow digestion for some people. After training, a meal centered more on protein and carbohydrate is often a more practical option.
Is eating McDonald’s mayonnaise at night bad?
There is nothing uniquely harmful about eating it at night; overall portion and meal pattern matter more. However, richer fatty foods may worsen reflux or indigestion in some people late in the evening.
Is it true that mayonnaise causes weight gain mainly because of sugar?
No, the bigger factor here is its very high fat content and how easy it is to overuse. Weight change depends on total energy intake, not one food alone.
Who should be careful with McDonald’s mayonnaise?
People with egg allergy should avoid it because it contains egg. Those who need to limit fatty foods or want to cut back on ultra-processed products may also want to use it sparingly.
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Nutrition data compiled from USDA FoodData Central and scientific sources.