Barebells Protein Bar vs Grenade Protein Bar
Barebells vs Grenade — the UK's great protein bar debate. Two Grade-A bars separated by almost nothing on the label.

Barebells
Barebells Protein Bar
37g protein / 100g
Winner
Grenade
Grenade Protein Bar
36g protein / 100g
Representative products shown — the top efficiency scorer in each line. Tap a card for the full product page.
Our verdict
Grenade by a nose — but buy on flavour
This is the closest bar rivalry we've tested: Grenade scores 84/A vs Barebells' 82/A, with 21.6g vs 20.4g protein per bar (Grenade's bar is 5g bigger). Per 100g, Barebells actually leads on protein density (37g vs 36g).
everywhere else they're near-twins: ~2.5g sugar per 100g, 13g fat, Clean Scores of 95 vs 94. There is no nutritional argument that settles this — which is precisely the verdict.
Buy the flavour you prefer. Anyone telling you one of these is nutritionally superior hasn't read the labels.
Head to head
Per serving, from UK label data.
| Barebells Protein Bar | Grenade Protein Bar | |
|---|---|---|
| Protein | 20.4g | 21.6g ✓ |
| Calories | 198 ✓ | 206 |
| Sugar / 100g | 2.6g | 2.5g ✓ |
| Fat / 100g | 13.0g | 13.0g |
| Clean Score | 94 | 95 ✓ |
Who should buy which
Buy Barebells if…
You want the highest protein density per 100g and the smoother, chocolate-led flavour range. The connoisseur's pick.
Buy Grenade if…
You want the most protein per bar and the wildest flavour range — 15+ options including the Oreo collab. The maximalist's pick.
Frequently asked
Which has more protein, Barebells or Grenade?
Per bar: Grenade, 21.6g vs 20.4g (its bar is bigger at 60g vs 55g). Per 100g: Barebells, 37g vs 36g. Effectively identical.
Which is healthier?
Neither is health food — both are ~13g fat per 100g candy bars with protein. Grenade edges our efficiency score 84 to 82; both are Grade A.
Which tastes better?
Genuinely personal: Barebells for smooth chocolate flavours, Grenade for bold/layered ones. Buy a single of each before committing to a box.
Compare them yourself, live
Run Barebells Protein Bar against Grenade Protein Bar in our interactive compare tool — with your own product picks.
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