A NEWLY discovered super-tea-leaf is the secret ingredient behind a new arrival to the energy market.

Yusa is claimed to be the first energy tea that doesn’t use tea extract or added caffeine. Each can’s 100mg of caffeine per 250ml is derived from Guayusa, a leaf grown in the Amazon rainforest.

It’s available in cases of 12 at RRP £1.99 per 250ml can.