Red Bull is 45 calories per 100g. Moderate; a 12-oz pour is around 160 calories.
Calories scale with portion. Here's how a typical red bull serving translates in your tracker:
Very low calorie — at 45 kcal per 100g, red bull adds volume to a meal without meaningfully denting a calorie deficit.
How red bull stacks up on calories and protein against foods people commonly compare it to:
Point your iPhone camera at red bull and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreRed Bull has approximately 45 calories per 100g. A typical serving — 3 oz (85g) — comes in at 38 calories.
0.4g of protein per 100g. That puts red bull at roughly 0.9g of protein per 100 calories — a useful lens when comparing to other beverages sources.
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.
It depends on your overall calorie target. Red Bull is naturally low-calorie at 45 kcal per 100g, so it's easy to fit into a deficit.