Chilli peppers contain capsaicin that speeds up your metabolism, and boosts blood flow giving your brain a flush of oxygenated blood - cue feelings of alertness and concentration.
According to The Happiness Diet
by authors Tyler Graham and Drew Ramsey, M.D., our brain's receptors release endorphins when approached by capsaicin. It's a simple happiness boost.
THE BEST ANTI-AGEING SUPERFOODS
WHAT IS THE BEST TIME TO WORKOUT?
MORE GYM ADVICE