By Muhammad Saif Ullah, founder & editorUpdated October 30, 2026Numbers from Starbucks and our tested calculator
Quick answer
- A Grande Iced Brown Sugar Oatmilk Shaken Espresso has 150 calories, 4.5 g fat, 15 g sugar, 2 g protein and 255 mg caffeine.
- By size: 100 (Tall), 150 (Grande) and 220 calories (Venti).
- Lighter version: 1 pump of brown sugar instead of 2 makes a Grande about 110 calories and 9 g sugar.
The Iced Brown Sugar Oatmilk Shaken Espresso is one of Starbucks’ best sellers, and it’s lighter than it tastes. The thing most people miss is the caffeine. Here are iced brown sugar oatmilk shaken espresso calories for every size, what’s in it, how strong it really is and how to order it lighter.
Brown Sugar Oatmilk Shaken Espresso calories by size
| Size | Calories | Sugar | Protein | Caffeine | Shots / pumps |
|---|---|---|---|---|---|
| Tall (12 oz) | 100 | 8 g | 1 g | 170 mg | 2 / 1 |
| Grande (16 oz) | 150 | 15 g | 2 g | 255 mg | 3 / 2 |
| Venti (24 oz) | 220 | 22 g | 3 g | 340 mg | 4 / 3 |
Starbucks-published U.S. values and recipe, checked October 30, 2026. Fat is 3.5, 4.5 and 6 g by size.
- Each size gets one more shot and one more pump of brown sugar than the one below it.
- Almost no saturated fat (0 to 0.5 g), because it’s made with oatmilk.
Venti Brown Sugar Oatmilk Shaken Espresso calories
- 220 calories, 39 g carbs, 22 g sugar and 3 g protein in a 24 oz Venti.
- 340 mg caffeine from 4 shots. That’s most of the 400 mg a day the FDA cites for healthy adults.
- Lighter Venti: 2 pumps of brown sugar instead of 3 brings it to about 180 calories and 16 g sugar.
How much caffeine is in a Brown Sugar Shaken Espresso?
- 255 mg in a Grande, from 3 shots of Blonde espresso at about 85 mg each.
- That’s a lot for a 150-calorie drink: more than a Grande latte (150 mg), a Grande Vanilla Sweet Cream Cold Brew (185 mg) or a Grande Iced Shaken Espresso (225 mg).
- Want less? Ask for 2 shots in a Grande: about 170 mg, with the same calories.
- Blonde isn’t weaker. It tastes lighter, but each shot has a bit more caffeine than Signature espresso. More in our Starbucks caffeine chart.
What’s in it: nutrition explained
Starbucks shakes Blonde espresso with brown sugar syrup and cinnamon, then tops it with oatmilk and ice. In a Grande:
- Brown sugar syrup (2 pumps): about 80 calories and 12 g sugar. Each pump is about 40 calories, double a pump of vanilla.
- Oatmilk (about 3 oz): about 65 calories and most of the fat.
- Espresso and cinnamon: about 5 calories.
- So most of the sugar is added. The AHA suggests no more than 25 g of added sugar a day for most women and 36 g for most men, so a Grande uses about half a woman’s day.
- Dairy-free as made: the standard recipe has no milk, but cold foams do, and Starbucks can’t rule out cross-contact.
Low-calorie Brown Sugar Oatmilk Shaken Espresso
It’s one of the most-asked-for low-cal swaps. From our calculator, Grande:
| Order | Calories | Sugar | Protein |
|---|---|---|---|
| Standard | 150 | 15 g | 2 g |
| 1 pump of brown sugar | 110 | 9 g | 2 g |
| No brown sugar (cinnamon only) | 70 | 3 g | 2 g |
| Almondmilk instead of oatmilk | 120 | 15 g | 2 g |
| Almondmilk + 1 pump | 80 | 9 g | 2 g |
| Nonfat milk instead of oatmilk | 130 | 17 g | 4 g |
Changed orders are our calculator’s estimates, starting from Starbucks’ published values.
- 1 pump is the best swap: it saves 40 calories and 6 g sugar and still tastes like brown sugar.
- Honest taste note: with no syrup it’s basically iced espresso with oatmilk and cinnamon. Some people love it, others find it bitter.
- Watching blood sugar? There’s no sugar-free brown sugar syrup. Fewer pumps, or 1 pump with almondmilk, keep it to about 9 g sugar.
- Easier in the app: pumps, shots and milk are all on the customize screen. Oatmilk is part of the drink, so switching milk doesn’t cost extra.
Adding cold foam
- Vanilla sweet cream cold foam: about 250 calories and 25 g sugar in a Grande.
- Brown sugar cold foam: about 260 calories (estimate).
- Protein cold foam: about 240 calories with about 15 g protein (estimate). It turns a low-protein drink into a decent one.
- Cost note: cold foam is an add-on and costs extra. See our cold foam calories guide.
BSOSE vs other shaken espressos
| Grande drink | Calories | Sugar | Protein | Caffeine |
|---|---|---|---|---|
| Iced Shaken Espresso (classic, 2% milk) | 100 | 14 g | 4 g | 225 mg |
| Iced Brown Sugar Oatmilk Shaken Espresso | 150 | 15 g | 2 g | 255 mg |
| Iced Hazelnut Oatmilk Shaken Espresso | 150 | 16 g | 2 g | 255 mg |
| Iced Pumpkin Cream Shaken Espresso | 310 | 37 g | 4 g | 255 mg |
| Iced Vanilla Protein Cream Shaken Espresso | 410 | 28 g | 19 g | 255 mg |
Starbucks-published U.S. values, checked October 30, 2026.
- The three oatmilk versions are nearly identical: pick by flavor, not calories.
- The classic Iced Shaken Espresso is the lightest and has the most protein, thanks to 2% milk.
- Want it hot? The Brown Sugar Oatmilk Cortado is 130 calories and 230 mg caffeine in its Short size.
Customize your shaken espresso
Change the size, pumps, milk or shots, or add cold foam, and watch calories, sugar and caffeine update.
FAQ
How many calories are in a Grande Iced Brown Sugar Oatmilk Shaken Espresso?
- 150 calories, with 15 g sugar, 2 g protein and 255 mg caffeine.
How many calories are in a Venti Brown Sugar Oatmilk Shaken Espresso?
- 220 calories, 22 g sugar and 340 mg caffeine from 4 shots.
How much caffeine is in a Brown Sugar Shaken Espresso?
- 170 mg in a Tall, 255 mg in a Grande and 340 mg in a Venti.
How much sugar is in an Iced Brown Sugar Oatmilk Shaken Espresso?
- 8 g in a Tall, 15 g in a Grande and 22 g in a Venti, mostly from the brown sugar syrup.
How do I order a low-calorie Brown Sugar Shaken Espresso?
- Ask for 1 pump of brown sugar: about 110 calories in a Grande.
- With almondmilk and 1 pump it’s about 80.
Is the Brown Sugar Oatmilk Shaken Espresso healthy?
- It’s low in calories and saturated fat, but it has almost no protein and a lot of caffeine.
- With 1 pump it’s a reasonable everyday drink if the caffeine suits you.
Is the Brown Sugar Oatmilk Shaken Espresso dairy-free?
- The standard recipe uses oatmilk and has no dairy.
- Cold foam add-ons contain milk, and cross-contact is possible.
Sources
- Iced Brown Sugar Oatmilk Shaken Espresso and other shaken espresso nutrition, ingredients and recipes: Starbucks’ U.S. menu, checked October 30, 2026, as used and tested in our calculator (methodology).
- Caffeine guidance: U.S. Food and Drug Administration. Added sugar guidance: American Heart Association.
- Related: syrup calories · caffeine chart · low-calorie Starbucks drinks · Starbucks Hot Chocolate calories · Starbucks nutrition chart.
Independent and unofficial. Not affiliated with Starbucks. For general information only, not medical advice.