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McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke, a dark cola over ice topped with vanilla cold foam

McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small) nutrition

Figures from McDonald’s US nutrition information , collected by Boone, checked 11 September 2026

Your order
Who is eating
150calories8% of the day
Where the calories come from
0%67%36%
ProteinCarbsFat
!Added sugar is the one to watch: 46% of her Daily Value in one drink.
CaloriesEnergy150 cal8%
Estimated need 2,000 calories (USDA)
Added sugarOver 10g a meal23g46%
Daily Value 50g; 10g a meal (DGA)
Saturated fatLow0.5g2%
Daily Value 20g
SodiumLow45mg2%
Limit 2,300mg (CDRR)
FibreTarget0g0%
Target 28g (14g per 1,000 calories)
ProteinTarget0g0%
Daily Value 50g

Reduced Sugar Vanilla Swirl with Diet Coke (Small), as published. High and Low follow FDA’s 20% and 5% Daily Value marks. Calorie split calculated by Boone. How

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What it means for you

The Reduced Sugar Vanilla Swirl with Diet Coke (Small) as published, seen four ways.

Adult

1 of 3 is 20% of the Daily Value or more in one drink, FDA’s mark for high.

8%of 2,000 calories (150 calories)
Low2%saturated fat: 0.5g of 20g DV
Low2%sodium: 45mg of 2,300mg DV
High46%added sugar: 23g of 50g DV

Added sugar is the biggest issue: 23g is 46% of the Daily Value in one drink.

Strawberry Banana Smoothie (Large)Lower added sugarStrawberry Banana Smoothie (Large) →0g added sugar (0% DV), 330 calories

Allergens

1 contain0 may contain8 not declared
MilkContains
EggsNot declared
FishNot declared
Crustacean shellfishNot declared
Tree nutsNot declared
PeanutsNot declared
WheatNot declared
SoybeansNot declared
SesameNot declared
The 9 major US allergens. As declared by McDonald’s USA. McDonald’s USA prepares food in shared kitchens, so no item can be guaranteed allergen free.
Total sugars23gPublished by McDonald’s USA
Added sugars23gPublished by McDonald’s USA. 5.8 teaspoons
  • 23g added sugar: cane sugar, corn syrup in the cold foam

Sugar naturally in milk, fruit and vegetables is not added sugar. Dietary Guidelines →

23g of added sugar against US guidance
Daily Value 50g a day46%
Age 11 and over 10g a meal230%
Age 10 and under none advisedOver

Nutrient density: what you get per 100 calories

For smaller portions: the most nutrition per calorie, against all 247 McDonald’s US items.

Calculated by BooneHow
More protein per calorie than 0% of the menu, but less fibre per calorie than the menu average (0.00g against 0.28g).
Protein0.00g per 100 calories
This item
0.00g
Menu average
2.67g
Best: 1% Low Fat Milk Jug
8.00g

More protein per calorie than 0% of the 247 items on the menu.

Fibre0.00g per 100 calories
This item
0.00g
Menu average
0.28g
Best: Strawberry Banana Smoothie (Medium)
1.25g

More fibre per calorie than 0% of the 247 items on the menu.

Vitamins and minerals

McDonald’s USA does not publish vitamins or minerals for this item, so Boone does not estimate them.

FDA ‘healthy’ test

Fails1 of 3 limits exceeded
as a drink

Would not meet FDA’s ‘healthy’ criteria for a drink: over the added sugars limit.

43 of 247 McDonald’s US items are within the limits for their category.

Judged as a drink: limits are 2%, 10% and 5% of the Daily Value (the fruit and vegetable limits) for added sugars, sodium and saturated fat. Boone applies them to the serving as sold; McDonald’s USA makes no ‘healthy’ claim.
The three limits2 of 3 met
Sodium limit 230mg45mg within
20% of the limit
Saturated fat limit 1g0.5g within
50% of the limit
Added sugars limit 1g23g over
2300% of the limit
Food groups at least 1 equivalentNot checked
Not needed: it already fails a limit.

FDA final rule, December 2024. Food makers must comply by 25 February 2028.

What is in it

28 ingredients across 3 parts; 15 are additives or processed (orange).

13 basic, 15 orange
Diet Coke10 ingredients, 4 orange
carbonated watercaramel colorphosphoric acidsodium saccharinpotassium benzoate (to protect taste)natural flavorscitric acidcaffeinepotassium citrateaspartame
Ice1 ingredient, 0 orange
ice
Cold foam17 ingredients, 11 orange
watercanola oilcane sugarcorn syrupnatural flavorssodium caseinate (a milk derivative)microcrystalline cellulosecellulose gumcarrageenansorbitan monostearatemono & diglyceridessaltdipotassium phosphatepolysorbate 60polysorbate 80and propylene glycolpropellants: nitrous oxide and nitrogen

How processed is it?

NOVA group 4
1 Unprocessed
2 Ingredients
3 Processed
4 Ultra-processed

Group 4 because of the additives or industrial ingredients listed above. How NOVA works →

Quick answers

How many calories are in a McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small)?+

150 calories as published. That is 8% of the 2,000-calorie Daily Value used on US food labels.

Is a McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small) suitable for children?+

For a child aged 4 to 8 it is 3% of the day’s 1,500mg sodium limit in one item. It has 23g of added sugar, and the Dietary Guidelines advise none for children aged 10 and under. A Frozen Hawaiian Punch (Small) has 20mg of sodium, 1% of that limit.

How much sugar is in a McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small)?+

23g of total sugars, of which 23g is added sugar as published. That is 5.8 teaspoons and 46% of the 50g Daily Value. The Dietary Guidelines advise no more than 10g of added sugar a meal from age 11.

How much protein is in a McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small)?+

0g, 0.0g per 100 calories. It ranks #223 of 237 items on the menu for protein. The 1% Low Fat Milk Jug gives the most protein for the calories, 8.0g per 100 calories.

Is a McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small) healthy by FDA’s definition?+

No. Judged as a drink, it is over FDA’s limit for added sugars. This is Boone’s reading of the FDA criteria; McDonald’s USA makes no ‘healthy’ claim.

Is a McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small) ultra-processed?+

Yes, NOVA group 4. The ingredient list includes emulsifiers, acidity regulators, preservatives and colours.

Which allergens are in a McDonald's US Reduced Sugar Vanilla Swirl with Diet Coke (Small)?+

Of the 9 major US allergens, it contains milk.

Where the figures come from

Source. McDonald’s US nutrition information , per item as sold.

Collected. Copied by Boone from McDonald’s USA’s published figures. Data checks are led by Murray Dare.

Calculated by Boone. Labelled where it appears.

References. FDA Daily Values; USDA estimated calorie needs; Dietary Guidelines for Americans, 2025 to 2030; sodium limits by age from the National Academies; FDA ‘healthy’ claim criteria.

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