It can also be a need for iron. Try having some spinich ot something else. If you are on induction make sure to do a clean induction with no shakes, bars or sweets. Doing this will help to overcome the sweet addictions and cravings.

Later in OWL when you must have a treat, look at all the recipes on here that use unsweetened baking chocolate. That way you can have a small chocolate fix without the guilt of sugar, or the pain of sugar alcohols.