hello all,im cycling around 75 miles a week on my mtb after work and im trying to get back in to shape after leting myself slide,im looking for advice on whats best to eat really as i just cant seem to lose my belly,i dont drink or smoke and im pretty fit,also whats best to eat before and during a ride,at the moment i drink a dunns river nurishment before and eat nutrigrain bars while riding,but really i dont no if this is helping or hindering me,,,,cheers for any advice