Two of the UK’s most popular protein bars go head-to-head.
Protein bars aren’t just snacks anymore — they’re mini meal replacements, recovery boosters, and sweet cravings crushers. Two of the most talked-about bars right now are Grenade Carb Killa and Huel Bars. Both offer high protein and low sugar, but they’re built for slightly different goals.
If you’re wondering which bar to keep in your gym bag, car, or desk drawer, this guide will help you decide.
Grenade Carb Killa Protein Bars
What It Is:
Grenade Carb Killa has become the UK’s best-selling protein bar by delivering the perfect mix of taste, texture, and macros. Each bar is triple-layered, crunchy yet soft, and keeps sugar and carbs extremely low.
Key Benefits:
20g protein per bar — supports muscle recovery and keeps you fuller for longer
Low sugar & low impact carbs — under 1.5g of sugar and high impact carbs
High fibre — supports digestion and satiety
Incredible flavours — Cookies & Cream, Birthday Cake, Fudge Brownie & more
Convenient — perfect on-the-go snack or post-workout refuel
Best For: Gym-goers and anyone on a low-carb or calorie-conscious diet who still wants a sweet, satisfying snack.
Huel Bars — High-Protein Vegan Snack
What It Is:
Huel Bars take a more holistic approach — not just protein, but also vitamins, minerals, and plant-based nutrition. With a rich vegan chocolate coating and smooth caramel layer, they’re built for health-focused snackers.
Key Benefits:
13g plant-based protein per bar — ideal for vegans & vegetarians
Less than 200 kcal — easy to fit into any diet
170+ essential vitamins & minerals — covers nutrition beyond protein
High fibre & low salt — supports digestion and healthy snacking
Vegan & indulgent — dessert-like taste without animal products
Best For: Health-conscious snackers and those following plant-based or vegan diets who want a balanced, nutrient-packed protein bar.
Grenade vs Huel: Quick Comparison
| Feature | Grenade Carb Killa | Huel Bars |
|---|---|---|
| Protein | 20g (whey blend) | 13g (plant-based) |
| Calories | ~220 kcal | <200 kcal |
| Sugar | <1.5g | Low (minimal sugar) |
| Fibre | High | High |
| Nutrients | Focus on protein & macros | Added vitamins & minerals |
| Taste & Texture | Triple-layer, dessert-like | Smooth caramel, vegan chocolate |
| Best For | Gym-goers, low-carb diets | Vegans, overall nutrition & health |
✅ Which One Should You Choose?
Choose Grenade Carb Killa if:
You want higher protein, ultra-low sugar, and a true dessert-like protein snack that supports muscle recovery and keeps carbs down.Choose Huel Bars if:
You want a plant-based, more nutrient-rich snack with extra vitamins and minerals while keeping calories under 200.
👉 Bottom line:
Grenade Carb Killa = gym & fitness focused
Huel Bars = plant-based nutrition & daily snacking
Where to Buy
At Muscle Products Store, we stock both Grenade Carb Killa and Huel Bars with:
100% authentic UK products
Fast delivery (next-day before 3pm)
👉 Grab your favourite below and fuel your day the smart way:
