Natural health: How to use magnesium to soothe sore muscles 

Plus advice for getting the best night's sleep 

One of the best supplements you can use for preventing muscle soreness is magnesium, but you will need to apply it topically

I started running four months ago. I've picked up the pace in recent weeks but find my leg muscles feel sore soon after despite stretching exercises. Is there a natural treatment or supplement you could recommend?