1 cup (medium) of Starbucks Flat White (Lactose-Free Milk) (240 g) has 106 calories. That works out to 44 calories per 100 g. It contains 10.8 g of carbs, 6 g of protein, 3.4 g of fat and 0 g of fiber. Its 1 µg of B12 covers 40% of the Daily Value. Its glycemic index is 35 (low), so it raises blood sugar slowly.

What is Starbucks Flat White (Lactose-Free Milk)?

Starbucks Flat White with lactose-free milk combines espresso with steamed lactose-free milk. The flat white is associated with coffee culture in Australia and New Zealand, and is known for a fine, velvety layer of milk rather than a thick cap of foam. It is usually served hot, with the espresso flavour coming through more clearly than in a milkier latte. You can enjoy it as a café stop or alongside breakfast; a plain biscuit or a small pastry makes an easy pairing.

The milk gives the drink a creamy texture, while espresso remains its defining note. It provides 44 kcal per 100 g. For a lighter order, choose a smaller size and skip added syrup, keeping the balance of coffee and milk uncomplicated.

Starbucks Flat White (Lactose-Free Milk) Nutrition Facts

Selected: 100 g

KCAL / 100G

Carbs

4.5g

· 2% DV

Protein

2.5g

· 5% DV

Fat

1.4g

· 2% DV

Fiber

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 44% · Protein 25% · Fat 31%

Starbucks Flat White (Lactose-Free Milk) Vitamins & Minerals

Vitamins

B12

0.4µg · 17% DV

0.18mg · 14% DV

0.4mg · 8% DV

Biotin

2µg · 7% DV

Minerals

Phosphorus

75mg · 11% DV

Calcium

95mg · 10% DV

Iodine

12µg · 8% DV

Selenium

2µg · 4% DV

How Nutritious Is Starbucks Flat White (Lactose-Free Milk)?

Nutrient density

Medium

35/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Medium

39/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Starbucks Flat White (Lactose-Free Milk) Glycemic Index

GLYCEMIC INDEX

Low

0 Low5570100

GLYCEMIC LOAD

Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Starbucks Flat White (Lactose-Free Milk)

To burn the 44 calories in 100 g:

🚶

11min

Walking (5 km/h)

🏃

4min

Running (8 km/h)

🚴

6min

Cycling

🏊

5min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

Is Starbucks Flat White (Lactose-Free Milk) 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 Starbucks Flat White (Lactose-Free Milk) Contain Allergens?

Contains these allergens:

Gluten free

Dairy yes

Eggs free

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is Starbucks Flat White (Lactose-Free Milk) 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

Starbucks Flat White (Lactose-Free Milk) Fat Profile

SATURATED

0.9g

MONOUNSATURATED

0.3g

POLYUNSATURATED

0.05g

⚖️

Omega 6:3 ratio 3:1

Below the ideal 4:1 — a good omega balance.

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20 kcal

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Frequently Asked Questions About Starbucks Flat White (Lactose-Free Milk)

What is a Starbucks Flat White with lactose-free milk?

A Starbucks Flat White with lactose-free milk is an espresso drink topped with steamed lactose-free milk and a thin layer of microfoam. It has a creamy texture, while the espresso remains more prominent than it typically is in a latte.

Is a Starbucks Flat White with lactose-free milk dairy-free?

No. Lactose-free milk is still cow’s milk; its lactose has been broken down, but its milk proteins remain. The drink may suit some people who avoid lactose, but it is not suitable for someone with a milk allergy.

Does a Starbucks Flat White with lactose-free milk taste sweeter?

It can taste slightly sweeter than the version made with regular milk. Lactose-free milk has its lactose broken down into simpler sugars, which can make its sweetness more noticeable even when no flavored syrup has been added.

How much caffeine is in a Starbucks Flat White with lactose-free milk?

A Starbucks Flat White with lactose-free milk contains caffeine because it is made with espresso. The amount can vary with cup size and the local recipe, so check Starbucks’ current nutrition information for your country for an exact figure.

Does a Starbucks Flat White with lactose-free milk have added sugar?

Not necessarily. The drink gets naturally occurring sugars from its milk, but that does not mean sugar or syrup has been added. Flavored syrups and other customizations can add sugar, so the ingredients depend on how you order it.

What is the difference between a Starbucks Flat White with lactose-free milk and a latte?

A Flat White is generally made with a thinner layer of microfoam and has a more pronounced espresso character than a latte. Starbucks recipes and cup sizes differ by market, so the exact strength and milk-to-coffee ratio can vary.

Can you get a Starbucks Flat White with lactose-free milk iced?

Availability depends on the Starbucks menu in your country. The classic Flat White is a hot drink made with espresso and steamed milk; if an iced version is not listed, a barista may not be able to prepare it as a standard menu item.

Can you add syrup to a Starbucks Flat White with lactose-free milk?

Yes, you can usually customize it with a syrup offered at that Starbucks location. Syrup changes the flavor and adds sweetness; choosing lactose-free milk does not make the syrup sugar-free.

Can you order a decaf Starbucks Flat White with lactose-free milk?

Decaf may be available, but options vary by location and time of day. Ask whether the store can make the Flat White with decaffeinated espresso; decaf coffee is not necessarily completely caffeine-free.

Can you reheat a Starbucks Flat White with lactose-free milk?

You can reheat it, but it is best enjoyed freshly made. Heating can flatten the milk foam and change the coffee’s flavor. If you need to save it, refrigerate it promptly rather than leaving the milk-based drink at room temperature.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 25, 2026