Creatine in a scoopI’ll be honest: I’m a supplement sceptic. I’m not convinced by claims that taking vitamin C can help to cure a cold, for instance (nor is the NHS). But I am not beyond persuasion. I take vitamin D tablets, recommended by the NHS and recently linked to longevity, in part to help boost my iron supplementation as a lifelong anaemic.And two months ago, I started taking creatine – one of the most researched supplements going, which has been