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Starbucks · Burrito Bowl

Starbucks Protein Cold Brew with Cold Foam (~85 cal, 15g protein)

By Alec Zakhary

TL;DR

A grande Starbucks Cold Brew topped with plain Protein Cold Foam (no syrup) runs about 85 cal and 15g protein. The cold brew itself is 5 cal; the Protein Cold Foam adds ~80 cal and all the protein. Sugar-free, low-carb cutting drink.

Illustration for Starbucks Protein Cold Brew with Cold Foam (~85 cal, 15g protein)
Grande (16 fl oz) Cold Brew with plain Protein Cold Foam topping (no flavor syrups) (473 g)
85
cal
≈ 4% of 2000-cal daily reference
1 USDA verified3 Brand-claimed6 User-reported (10 sources — see below)
Macro Per serving Per 100g % DV
Protein 15.0 g 3.2 g 30%
Carbs 6.0 g 1.3 g 2%
Fat 4.0 g 0.8 g 5%
↳ Saturated fat 2.0 g — 10%
Fiber 0.0 g — —
Sugar 4.0 g — —
Sodium 95 mg — 4%

Daily-value percentages reference a 2,000-calorie diet (FDA 2020).

What customer reports show

Beyond the brand-claimed numbers, here's what aggregated customer reports and independent investigations turned up:

My take

Plain Protein Cold Foam on Cold Brew is the best protein-per-calorie order at Starbucks — 15g protein for ~85 cal, zero added sugar. Skip flavored variations to keep the sugar at zero.

Frequently asked questions

How many calories in a Starbucks Cold Brew with Protein Cold Foam?

About 85 calories for a grande Cold Brew with plain (no-flavor) Protein Cold Foam — 5 cal from the cold brew base plus ~80 cal from the foam. Macros: 15g protein, 4g fat, 6g carbs (4g sugar from the dairy base, no added sugar). Banana, vanilla, or salted caramel flavored versions add 50-100 more cal and 4-9g added sugar.

Is the Protein Cold Foam at Starbucks really 15g of protein?

Yes — Starbucks confirms the Protein Cold Foam adds 15g protein per grande, regardless of which base drink you put it on. On a Matcha Latte the bowl total can hit 26g protein because the matcha base also contains milk protein (~11g).

What's the lowest-sugar Starbucks Protein drink?

Plain Cold Brew + plain Protein Cold Foam — the no-flavor combo has only 4g sugar (from milk lactose, no added). Per CSPI's analysis, every flavored version (banana, vanilla, brown sugar, salted caramel, chocolate, matcha) adds 4-9g of added sugar minimum.

When did Starbucks launch the Protein Cold Foam?

September 29, 2025 — per Starbucks' own press release. It rolled out across US locations alongside the new Protein Lattes line. The plain (unflavored) option is sometimes not visible on the in-app menu — you may need to order it specifically as "Protein Cold Foam, no flavor."

How does this compare to a Starbucks Protein Latte?

A grande Protein Latte is around 200-280 cal with 25-30g protein (depending on milk choice and flavor). The Cold Brew + Protein Cold Foam is leaner: ~85 cal / 15g protein. If you want maximum protein, latte. If you want maximum protein-per-calorie ratio, cold brew + foam.

Sources

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