Everyone worries about their levels of health and fitness from time to time. Do I do enough exercise? Does my diet contain all the nutrients my body requires? Does my bum look big in my tight Lycra shorts!?

Many of us, including some of the Lovejuice team (you know who you are), stumble at the first hurdle, you know, the bit where you actually have to do something about it. Which is why Lovejuice is such a great idea - whenever you feel you've been abusing or neglecting yourself, have a smoothie - and show your body just how much you love it really. Now for the science bit.