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Cheapest Energy Drinks in the UK

Prices updated 13 October 2026 · 405 products across 6 supermarkets

The best-value energy drinks in the UK right now is KX Sugar Free Energy Drink - Blue Spark 1L at Tesco — £1.10/litre (£1.10).
405Products Compared
6Supermarkets
£1.10Lowest /Litre

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.

1KX Sugar Free Energy Drink - Blue Spark 1LKX Sugar Free Energy Drink - Blue Spark 1LTescoBest value£1.10/litre£1.102Kx Blue Spark Energy Drink 1L 1LKx Blue Spark Energy Drink 1L 1LTesco£1.20/litre£1.203Lucozade Energy Drink Orange Multipack 24 x 330mlLucozade Energy Drink Orange Multipack 24 x 330mlAsda£1.26/litre£9.974DARK THUNDER Zero Blast Energy Drink 4 pack 2 LDARK THUNDER Zero Blast Energy Drink 4 pack 2 LAldi£1.34/litre£2.695DARK THUNDER Zero Blast Energy Drink 2 LDARK THUNDER Zero Blast Energy Drink 2 LAldi£1.34/litre£2.696Lucozade Energy Drink Orange Cans 12x330mlLucozade Energy Drink Orange Cans 12x330mlSainsbury's£1.44/litre£5.707Lucozade Energy Drink Original Cans 12x330mlLucozade Energy Drink Original Cans 12x330mlSainsbury's£1.44/litre£5.708RED THUNDER Original Energy Drink 6 Pack 1.5 LRED THUNDER Original Energy Drink 6 Pack 1.5 LAldi£1.46/litre£2.199RED THUNDER Sugar Free Energy Drink 6 Pack 1.5 LRED THUNDER Sugar Free Energy Drink 6 Pack 1.5 LAldi£1.46/litre£2.1910Lucozade Energy Drink Orange 8 x 380ml MultipackLucozade Energy Drink Orange 8 x 380ml MultipackAsda£1.50/litre£4.5711Lucozade Energy Drink Original 8 x 380ml MultipackLucozade Energy Drink Original 8 x 380ml MultipackAsda£1.50/litre£4.5712Lucozade Energy Drink Orange 8 x 380mlLucozade Energy Drink Orange 8 x 380mlTesco£1.51/litre£4.6013Lucozade Energy Original 8 x 380mlLucozade Energy Original 8 x 380mlMorrisons£1.51/litre£4.6014Lucozade Energy Orange 8 x 380mlLucozade Energy Orange 8 x 380mlMorrisons£1.51/litre£4.6015Lucozade Energy Orange Multipack 8x380mlLucozade Energy Orange Multipack 8x380mlSainsbury's£1.55/litre£4.7016Lucozade Energy Original Multipack 8 x 380mlLucozade Energy Original Multipack 8 x 380mlSainsbury's£1.55/litre£4.7017Relentless Origin Energy Drink 4 x 500mlRelentless Origin Energy Drink 4 x 500mlAsda£1.64/litre£3.2818Frugo Energy Watermelon & Strawberry 330mlFrugo Energy Watermelon & Strawberry 330mlAsda£1.64/litre£0.5419Relentless Origin Energy Drink 4 x 500ml CansRelentless Origin Energy Drink 4 x 500ml CansAsda£1.64/litre£3.2820Relentless Origin Energy Drink 4x500mlRelentless Origin Energy Drink 4x500mlTesco£1.65/litre£3.3021Lucozade Energy Drink OriginalLucozade Energy Drink OriginalWaitrose£1.67/litre£1.5022Lucozade Energy Zero Sugar Drink Orange 900mlLucozade Energy Zero Sugar Drink Orange 900mlAsda£1.67/litre£1.5023Lucozade Energy Zero Sugar Drink Pink Lemonade 900mlLucozade Energy Zero Sugar Drink Pink Lemonade 900mlAsda£1.67/litre£1.5024Lucozade Energy Drink Orange 900mlLucozade Energy Drink Orange 900mlAsda£1.67/litre£1.50
See The Live Energy Drinks Comparison →

Cheapest 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.