Burger King Mello Yello Price Nutrition and Allergen 2026

💲 Price & ⚡ Calories by Size

Size	Price	Calories
Value	$1.99	150 Cal
Small	$2.49	190 Cal
Medium	$2.79	290 Cal
Large	$2.99	370 Cal

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Burger King Mello Yello is a vibrant citrus-flavored soft drink that packs a tangy punch and a satisfying fizz. It’s part of the BK fountain drink selection and offers an energizing alternative to the usual cola options. Produced by Coca-Cola, Mello Yello is known for its bold lemon-lime flavor and high caffeine content, making it an excellent choice for anyone needing a midday boost.

Whether you’re pairing it with a Whopper, Chicken Fries, or a quick breakfast combo, Mello Yello delivers an electrifying taste with each sip.

Nutrition Facts

Here’s a detailed nutrition chart for all sizes of Burger King Mello Yello:

Nutrient	Value (Value)	Small	Medium	Large
Calories	150 Cal	190 Cal	290 Cal	370 Cal
Total Fat	0g	0g	0g	0g
Sodium	30mg	45mg	60mg	80mg
Total Carbs	41g	53g	77g	98g
Sugars	41g	53g	77g	98g
Protein	0g	0g	0g	0g
Caffeine	~51mg	~61mg	~67mg	~72mg

Mello Yello is one of the most caffeinated citrus sodas on the market.

Allergen Information

Burger King Mello Yello is free from the top 9 allergens:

Allergen	Contains
Milk	❌ No
Egg	❌ No
Wheat/Gluten	❌ No
Soy	❌ No
Peanuts	❌ No
Tree Nuts	❌ No
Fish	❌ No
Shellfish	❌ No
Sesame	❌ No

This drink is vegan-friendly, gluten-free, and dairy-free.

Ingredients

The Burger King Mello Yello typically contains:

Carbonated Water
High Fructose Corn Syrup
Natural Flavors
Citric Acid
Sodium Benzoate (Preservative)
Caffeine
Yellow #5 (Color)

Exact ingredients may vary slightly depending on regional bottling partners.

How to Order Mello Yello at Burger King

You can get Mello Yello from Burger King by:

In-Store – Select your size at the soda fountain or counter.
Drive-Thru – Say “Mello Yello with [size] drink.”
BK App – Under “Drinks” in the beverage selection.
Delivery Apps – Choose as your drink option in combo meals.

Can You Customize It?

Yes—though customization is limited, you can:

🧊 Choose light or no ice
🍹 Ask for half-and-half mix with Sprite or lemonade (if using freestyle fountains)
🥤 Choose a larger or smaller size to suit your needs
🌡️ Get a cold or extra chilled version with more ice

Note: You can’t adjust sugar levels in fountain-dispensed drinks unless using freestyle machines.

Best Menu Pairings with Burger King Mello Yello

Mello Yello pairs perfectly with a variety of BK meals and snacks:

Spicy Chicken Sandwich – Balances the heat with citrus zing
Whopper or Whopper Jr. – Cuts through grilled beef flavor
Mozzarella Sticks – Contrast between cheesy and fruity
French Fries or Onion Rings – Classic salty pairing
Cini Minis – Sweet and tart playfulness

Is Mello Yello Available All Day?

Yes! Mello Yello is available all day at Burger King—from open until close. It’s:

Part of the standard drink menu
Served with combo meals or à la carte
Offered in dine-in, drive-thru, and delivery orders

Is It Vegan and Vegetarian?

Yes, Mello Yello is both:

✅ Vegan – No animal-derived ingredients
✅ Vegetarian – Free from meat or dairy additives
❌ Note: Contains Yellow #5, which may not be acceptable for those avoiding artificial dyes

Caffeine Comparison Chart

Drink	Caffeine (Per 12 oz)
Mello Yello	~51mg
Coca-Cola Classic	~34mg
Pepsi	~38mg
Mountain Dew	~54mg
Diet Coke	~46mg

Mello Yello ranks high in the caffeinated citrus drink category, making it a great cola alternative with an energy kick.

FAQs – Burger King Mello Yello

1. What is Burger King’s Mello Yello?

It’s a citrus-flavored, highly caffeinated soft drink, served as part of BK’s fountain drink options.

2. How much caffeine is in a medium Mello Yello?

Roughly 67mg of caffeine, depending on fill and ice.

3. What sizes does it come in?

Value, Small, Medium, and Large, ranging from $1.99 to $2.99.

4. Is Mello Yello carbonated?

Yes, it’s a sparkling soda with carbonation.

5. Is it available all day?

Yes, it’s served all day at most BK locations.

6. Can I add it to any meal?

Yes—you can select Mello Yello as your drink option in combo meals.

7. Is it available through delivery?

Absolutely. It’s listed on Uber Eats, DoorDash, Grubhub, and more.

8. Does it contain gluten?

No. Mello Yello is gluten-free.

9. Is Mello Yello vegan?

Yes. There are no animal-derived ingredients in the beverage.

10. Is it available at all Burger King locations?

Almost all U.S. locations offer it, but availability may vary depending on region and fountain setup.

11. Can I mix Mello Yello with other drinks?

At freestyle soda machines—yes, mix it with lemonade or Sprite.

12. Is Mello Yello a Coke or Pepsi product?

It is a Coca-Cola product, just like Sprite and Coke.

13. Does it contain artificial coloring?

Yes—it contains Yellow #5.

14. How many calories in a large Mello Yello?

A Large Mello Yello contains 370 calories.

15. What makes Mello Yello different from other sodas?

It has a bolder citrus flavor and more caffeine than Sprite or regular lemon-lime sodas.

Final Thoughts

The Burger King Mello Yello is the perfect drink for those looking to add some citrus-fueled sparkle to their BK meal. With its high caffeine, bold flavor, and multiple size options, it stands out as a refreshing alternative to cola or root beer.

Whether you’re grabbing a Value combo or upgrading to a Large with your Whopper, Mello Yello brings a zesty lift to every bite.