Big Mac
The most ordered fast-food sandwich: two beef patties, white bun and Big Mac sauce. The fat of the meat and sauce slows the breakdown of the bun, giving a moderate index (55), but its calories and fat are high.
Glycemic index
Glycemic load
Calories
Protein
💡 Smart Nutritional Guidance
Consumption advice
A meal dense in calories, processed fats and sodium; if you have it, skip the fries and the soft drink and have water instead, to keep the meal's load in check.
Best preparation methods
The smartest trick for dieters and people with diabetes is to remove the top or middle bun and eat the burger with a green salad, cutting the carbohydrate roughly in half.
Important Nutritional Note
For people with diabetes or insulin resistance, it is always recommended to consider the total glycemic load (GL) of the meal rather than relying on the glycemic index alone.
Nutrition facts
| Nutrient | Per 100 g | Per typical portion (215 g) |
|---|---|---|
| Calories | 257 kcal | 552.5 kcal |
| Protein | 11.9 g | 25.6 g |
| Carbohydrate | 21 g | 45.1 g |
| Available carbohydrate | 19.5 g | 41.9 g |
| Fat | 15.1 g | 32.5 g |
| Dietary fibre | 1.5 g | 3.2 g |
The typical portion is approximate, for comparison purposes.
Comparison & smarter alternatives
Among the foods in Fast food with a glycemic index (7), it ranks 5 (lowest first).
Smart alternatives from the same family:
Frequently asked questions
Is Big Mac good for weight loss?
It can fit a balanced plan with portion control: a 215 g portion gives 553 kcal, and what matters most is your total daily intake and the rest of the meal.
How does Big Mac affect blood sugar?
Its glycemic index is 55 (Low), a clinically reviewed estimate rather than a laboratory measurement. A typical 215 g portion has a glycemic load of 23.1 (High), so it is best to reduce or split the portion and combine it with protein and fibre.
What is the nutritional value of a typical portion of Big Mac?
A typical 215 g portion of Big Mac provides about 553 kcal, 25.6 g protein, 45.1 g carbohydrate, 32.5 g fat and 3.2 g fibre.
Reviewed by the WiBo Health medical team · Last reviewed 13 October 2026
Disclaimer: This guidance is for nutritional lifestyle orientation and does not constitute a diagnostic medical device under EU Regulation MDR 2017/745.