Cheapest Energy Drinks in the UK

Prices updated 15 August 2026 · 319 products across 6 supermarkets

The best-value energy drinks in the UK right now is RED THUNDER Original Energy Drink 6 Pack 1.5 L at Aldi — £0.24/litre (£2.19).

319Products Compared

6Supermarkets

£0.24Lowest /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.

#	Product	Store	Price	Per Unit
1	RED THUNDER Original Energy Drink 6 Pack 1.5 L	Aldi	£2.19	£0.24/litre
2	RED THUNDER Sugar Free Energy Drink 6 Pack 1.5 L	Aldi	£2.19	£0.24/litre
3	DARK THUNDER Zero Blast Energy Drink 4 pack 2 L	Aldi	£2.69	£0.34/litre
4	KX Sugar Free Energy Drink - Blue Spark 1L	Tesco	£1.10	£1.10/litre
5	Kx Blue Spark Energy Drink 1L 1L	Tesco	£1.20	£1.20/litre
6	Lucozade Energy Drink Orange Multipack 24 x 330ml	Asda	£9.97	£1.26/litre
7	DARK THUNDER Zero Blast Energy Drink 2 L	Aldi	£2.69	£1.34/litre
8	Lucozade Energy Drink Orange Cans 12x330ml	Sainsbury's	£5.70	£1.44/litre
9	Lucozade Energy Drink Original Cans 12x330ml	Sainsbury's	£5.70	£1.44/litre
10	Lucozade Energy Drink Orange 8 x 380ml Multipack	Asda	£4.57	£1.50/litre
11	Lucozade Energy Drink Original 8 x 380ml Multipack	Asda	£4.57	£1.50/litre
12	Lucozade Energy Drink Orange 8 x 380ml	Tesco	£4.60	£1.51/litre
13	Lucozade Energy Original 8 x 380ml	Morrisons	£4.60	£1.51/litre
14	Lucozade Energy Orange 8 x 380ml	Morrisons	£4.60	£1.51/litre
15	Lucozade Energy Orange Multipack 8x380ml Nectar £4.00	Sainsbury's	£4.70	£1.55/litre
16	Lucozade Energy Original Multipack 8 x 380ml Nectar £4.00	Sainsbury's	£4.70	£1.55/litre
17	Relentless Origin Energy Drink 4 x 500ml	Asda	£3.28	£1.64/litre
18	Relentless Origin Energy Drink 4x500ml	Tesco	£3.30	£1.65/litre
19	Lucozade Energy Drink Original 900ml	Asda	£1.50	£1.67/litre
20	Lucozade Energy Zero Sugar Drink Orange 900ml	Asda	£1.50	£1.67/litre
21	Lucozade Energy Zero Sugar Drink Pink Lemonade 900ml	Asda	£1.50	£1.67/litre
22	Lucozade Energy Drink Orange 900ml	Asda	£1.50	£1.67/litre
23	Lucozade Energy Drink Wild Cherry 900ml	Asda	£1.50	£1.67/litre
24	Relentless Origin Energy Drink 4x500ml	Sainsbury's	£3.50	£1.75/litre

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 RED THUNDER Original Energy Drink 6 Pack 1.5 L at Aldi, £2.19 (£0.24/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 Aldi 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.