Calorie data · Beverages← All foods

How many calories in
protein shake (rtd)?

Protein Shake (RTD) is 65 calories per 100g. Calorie-dense liquid — tracks faster than people expect.

65
kcal · 100g
9g
Protein
5g
Carbs
1g
Fat
Servings

Common serving sizes.

Calories scale with portion. Here's how a typical protein shake (rtd) serving translates in your tracker:

Serving
Calories
Protein
3 oz (85g)
55 kcal
7.6g
4 oz (113g)
73 kcal
10.1g
1 cup (~150g)
98 kcal
13.6g
Track this food

Skip the lookup. Snap the plate.

Point your iPhone camera at protein shake (rtd) and SpotWell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.

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FAQ

Quick answers.

How many calories in protein shake (rtd)?

Protein Shake (RTD) has approximately 65 calories per 100g. A typical serving — 3 oz (85g) — comes in at 55 calories.

How much protein is in protein shake (rtd)?

9g of protein per 100g. That puts protein shake (rtd) at roughly 13.8g of protein per 100 calories — a useful lens when comparing to other beverages sources.

How do I log protein shake (rtd) accurately?

The simplest method: weigh it on a kitchen scale, then enter grams in your tracker. With SpotWell, you can skip the scale — point the camera at the plate and the AI estimates the portion in under a second. Adjust the value if it looks off.

Is protein shake (rtd) good for weight loss?

It depends on your overall calorie target. Protein Shake (RTD) is naturally low-calorie at 65 kcal per 100g, so it's easy to fit into a deficit.