How to make your own energy drink and save £100s in the process

According to experts, the international supplements market is a 485 billion dollar industry. It spans a wide spectrum from certified snake oil to genuinely health- or performance-enhancing products that can literally save lives.

Products like iron supplements for anaemics live at one end of the spectrum, and until I see evidence on the contrary, I’m putting these ‘salt water sachets’ and these placebo pills, the latter of which literally promises ‘no active ingredients’, at the other.