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McDonald's Big Mac Calories
Iconic burger with two beef patties, special sauce, cheese, lettuce, pickles, onions, and sesame seed bun
CALORIES
GI
POTASSIUM
FIBER
McDonald's Big Mac Nutrition Facts
Selected: 100 g
257
KCAL / 100G
Carbs
20.1g
· 31%
Protein
12.4g
· 19%
Fat
14.7g
· 50%
Fiber
1.7g
McDonald's Big Mac Vitamins & Minerals
Vitamins
B12
1.1µg · 46% DV
B3
3.8mg · 24% DV
Vitamin K
18µg · 15% DV
B2
0.18mg · 14% DV
Minerals
Selenium
18µg · 33% DV
Phosphorus
170mg · 24% DV
Sodium
430mg · 19% DV
Zinc
2mg · 18% DV
McDonald's Big Mac Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is McDonald's Big Mac 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 Big Mac Contain Allergens?
Contains these allergens:
Which Diets Is McDonald's Big Mac Good For?
Vegan
— Not suitable
Vegetarian
— Not suitable
Gluten-Free
— Not suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
McDonald's Big Mac Fat Profile
SATURATED
5.1g
MONOUNSATURATED
5.6g
POLYUNSATURATED
1.8g
Omega 6:3 ratio 32:1
Above the ideal 4:1 (32:1).
Foods Similar to McDonald's Big Mac
McDonald's Big Mac — Frequently Asked Questions
What is the best way to reheat a McDonald's Big Mac?
For better texture, separate the burger first and warm the patties briefly in a pan or microwave, then heat the bun separately. Add the lettuce and pickles back afterward so they stay less wilted.
How long can a Big Mac sit out at room temperature?
A burger containing cooked meat and sauce should not be left at room temperature for more than two hours, and less time in hot conditions. Refrigerate leftovers as soon as possible.
Can you eat a Big Mac the next day?
Yes, if it was refrigerated promptly, it can generally be eaten the next day. Reheat the meat until thoroughly hot, and discard it if it smells off, feels slimy, or looks unusual.
Can a Big Mac be frozen?
It can be frozen, but lettuce, pickles, and sauce tend to become watery after thawing. Remove those ingredients and freeze the bun-and-patty portion in an airtight container for a better result.
What is a more balanced drink to have with a Big Mac?
Water, plain sparkling water, or an unsweetened drink are practical choices. Choosing one instead of a sugary beverage avoids adding extra sugar to the meal.
What should you have with a Big Mac to make the meal more balanced?
Choose a side salad, vegetables, or fruit instead of fries when possible. This adds more plant variety to the meal, while going easy on extra sauce can help keep it lighter.
Is a Big Mac better before or after a workout?
Right before exercise, a rich burger may feel heavy and cause stomach discomfort for some people. If eaten after training occasionally, pair it with water and make the rest of the day’s meals lighter and more produce-focused.
Does eating a Big Mac at night automatically cause weight gain?
No—weight change is driven more by overall eating patterns, portions, and activity than by the clock alone. However, a heavy meal close to bedtime can worsen reflux or indigestion in susceptible people.
Is a Big Mac always less healthy than a homemade burger?
Not necessarily; it depends on the homemade burger’s ingredients and portion size. Making one at home gives you more control over the amount of sauce, vegetables, and less-processed ingredients used.
Who should be especially careful with a Big Mac?
People with allergies to gluten, eggs, dairy, sesame, or mustard should check ingredients carefully and ask about possible cross-contact. Those prone to high blood pressure, reflux, or frequent indigestion may also benefit from limiting fast-food meals.
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Nutrition data compiled from USDA FoodData Central and scientific sources.