Howling at the Moon Publishing Ltd, Auckland, 2016. One inch tear at join of back cover with spine (mended with glue and book tape), old sticker at top right of front cover, otherwise good secondhand condition.

Salt. Sugar. Fats.We spend trillions on health globally, but what haven't you been told? Just how bad are our diets, and just how good are the natural products we reach for? A compelling investigation into 'bad' foods and natural supplements. Discover what the science really says.

Natural supplements: do they work? You know the drill: we live demanding urban lives, we don't see the sun, we eat highly processed foods because we are too busy to cook from scratch, and we know we are not as healthy as we could be. So we pop a pill.

The elixir of life in an oil-filled capsule. Or is it?

As bestselling author and investigative journalist Ian Wishart discovers, virtually everything we know about health is being turned on its head. New medical studies are bringing salt, fat and even dairy in from the cold - could the dominant health message of the past 50 years be wrong?