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McDonald's medium French fries Calories
Medium portion of deep-fried salted fast-food French fries
CALORIES
GI
POTASSIUM
FIBER
McDonald's medium French fries Nutrition Facts
Selected: 100 g
323
KCAL / 100G
Carbs
42.6g
· 53%
Protein
3.4g
· 4%
Fat
15.5g
· 43%
Fiber
4g
McDonald's medium French fries Vitamins & Minerals
Vitamins
B3
3.2mg · 20% DV
B6
0.3mg · 18% DV
B1
0.17mg · 14% DV
B5
0.45mg · 9% DV
Minerals
Potassium ⭐
520mg · 15% DV
Phosphorus
95mg · 14% DV
Sodium
240mg · 10% DV
Magnesium
32mg · 8% DV
McDonald's medium French fries Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
Is McDonald's medium French fries Processed?
NOVA 3
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 medium French fries Contain Allergens?
No known major allergens
Which Diets Is McDonald's medium French fries Good For?
Vegan
— Not suitable
Vegetarian
✓ 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 medium French fries Fat Profile
SATURATED
2.2g
MONOUNSATURATED
6.1g
POLYUNSATURATED
4g
Omega 6:3 ratio 76:1
Above the ideal 4:1 (76:1).
Foods Similar to McDonald's medium French fries
McDonald's medium French fries — Frequently Asked Questions
When is the best time to eat McDonald's medium French fries?
They are generally better treated as an occasional side with a meal rather than a meal on their own. Eating them immediately before exercise may feel heavy for some people because they are fried.
What can I pair with McDonald's French fries to make the meal more balanced?
Pairing fries with a protein-rich choice such as grilled chicken, fish, a burger patty, or a legume-based option can make the meal more satisfying. Adding a salad or vegetables can also provide more volume and variety.
How are McDonald's French fries different from homemade oven-baked potatoes?
Restaurant fries are typically deep-fried, so they are often richer in fat, salt, and crispness than oven-baked potatoes. At home, the amount of oil and salt can be adjusted more easily.
Do ketchup and mayonnaise make a difference with French fries?
Yes. Ketchup can add sugar and sodium, while mayonnaise is typically more fat-dense. Asking for sauce on the side makes it easier to use a smaller amount.
Can McDonald's French fries be reheated?
Yes, although they taste and feel best when eaten fresh. Reheating refrigerated fries in an oven or air fryer usually restores more crispness than a microwave.
How long can leftover McDonald's French fries be stored?
They should not be left at room temperature for an extended period. Refrigerate them promptly in a covered container and ideally eat them the next day; discard them if they develop an off smell, stickiness, or unusual discoloration.
Can leftover French fries be frozen?
Cooked fries can be frozen, but they often become soft and lose their original texture after thawing. Short refrigeration followed by oven or air-fryer reheating usually gives a better result.
Can eating French fries at night affect sleep?
Not everyone notices an effect, but salty and fried foods can trigger thirst, indigestion, or reflux in some people. A smaller serving is usually more comfortable if eaten close to bedtime.
Do French fries always contain trans fat?
No. Being fried does not automatically mean a food contains trans fat. However, fries are still best enjoyed occasionally rather than frequently in large portions.
Who should be more careful with McDonald's French fries?
People managing high blood pressure, kidney disease, reflux, or frequent indigestion may need to be more mindful of salty and fried foods. Anyone following a sodium-restricted or medically prescribed eating plan should follow guidance from their healthcare professional.
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Nutrition data compiled from USDA FoodData Central and scientific sources.