. Shake all ingredients with ice and strain into a glass. Orange juice supplies 34 per cent of your RDA of vitamin C, as well as folic acid, which helps build red blood cells. Using soda water and less juice drops calorie count from 250 to 198 (and adds

. Supplementation recommendations unrelated to exercise – such as folic acid for women who are pregnant or trying to conceive – should still be followed. The use of single-nutrient supplements is not recommended and you should seek the advice of a sports

overheating. Don’t wear tight-fitting clothes.Eat well Be sure you’re getting enough iron, calcium, folic acid and other essential nutrients.Go easy Running to the point of exhaustion doesn’t do you or your baby any good.