How many calories in
protein bar?
Protein Bar comes in at 375 calories per 100g. Reasonable density for a snack food. Strong protein contribution for the calorie load.
Common serving sizes.
Calories scale with portion. Here's how a typical protein bar serving translates in your tracker:
What 375 calories means.
Balanced — protein bar sits in a moderate range and fits weight loss, maintenance, or muscle gain when portioned to your daily target.
Skip the lookup. Snap the plate.
Point your iPhone camera at protein bar and Spotwell's on-device AI estimates the portion and macros in under a second — no manual entry, no barcode hunting.
Download on theApp StoreQuick answers.
How many calories in protein bar?
Protein Bar has approximately 375 calories per 100g. A typical serving — 3 oz (85g) — comes in at 319 calories.
How much protein is in protein bar?
30g of protein per 100g. That puts protein bar at roughly 8.0g of protein per 100 calories — a useful lens when comparing to other snacks sources.
How do I log protein bar 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 bar good for weight loss?
It depends on your overall calorie target. Protein Bar sits in a moderate calorie range. It can fit any goal — weight loss, maintenance, or muscle gain — when portioned to your daily target.