Relentless is an iconic energy drink brand that burst onto the scene in 2006, quickly gaining popularity among thrill-seekers and athletes. Launched by Coca-Cola Enterprises, it was designed to fuel those who push their limits. With bold flavours and a commitment to high energy, Relentless has become synonymous with the UK’s extreme sports culture. Relentless is marketed with the slogan “No Half Measures” and is targeted at those needing strong stimulation.