I have been on vyvanse (lisdexamfetamine) for the last 6 years. i want stop taking it, but am terrified of the weight gain.any recommendations on vitamins that will help?

Diet and exercise: The problem with ALL amphetamine compounds is that there will be some metabolic changes upon stopping the medication...in particular some weight gain may happen. My suggestion to you is make sure your eating a healthy low fat low carb diet and begin working out and going to the gym if your not already.

Stimulants: Whenever you stop a stimulant there is always a risk of weight gain. However, if you understand this and make adjustments to your diet and exercise you can avoid the weight gain. Look at the calories you are eating now and try to cut back by 300-500 calories a day. Look at your exercise and try to increase that by walking 30 minutes extra a day. Taking a multivvitamin is a good idea.