Cheapest Energy Drinks in the UK
Prices updated 13 October 2026 · 405 products across 6 supermarkets
We compare energy drinks across all 7 major UK supermarkets — Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S — and rank by price per unit so you can see where energy drinks is genuinely cheapest. Prices update daily.
KX Sugar Free Energy Drink - Blue Spark 1L£1.10/litre£1.102
Kx Blue Spark Energy Drink 1L 1L£1.20/litre£1.203
Lucozade Energy Drink Orange Cans 12x330ml£1.44/litre£5.707
Lucozade Energy Drink Original Cans 12x330ml£1.44/litre£5.708
Lucozade Energy Drink Orange 8 x 380ml£1.51/litre£4.6013
Lucozade Energy Original 8 x 380ml£1.51/litre£4.6014
Lucozade Energy Orange 8 x 380ml£1.51/litre£4.6015
Lucozade Energy Orange Multipack 8x380ml£1.55/litre£4.7016
Lucozade Energy Original Multipack 8 x 380ml£1.55/litre£4.7017
Relentless Origin Energy Drink 4x500ml£1.65/litre£3.3021
Lucozade Energy Drink Original£1.67/litre£1.5022Cheapest Energy Drinks: FAQ
Where is the cheapest energy drinks in the UK?
Right now the best value energy drinks is KX Sugar Free Energy Drink - Blue Spark 1L at Tesco, £1.10 (£1.10/litre). SmartShelf ranks energy drinks by price per unit across 6 supermarkets, updated daily.
Which supermarket is cheapest for energy drinks?
We compare energy drinks across Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S. Today Tesco has the cheapest option, but the ranking updates every day as prices change.
How does SmartShelf compare energy drinks prices?
We list each product's price per unit (£/kg, £/litre or per item) so you compare like for like, and we show loyalty prices such as Clubcard and Nectar where available — free, with no sign-up.