Nutrition & Supplements Questions & Answers Home -> The Library -> Nutrition & Supplements Questions & Answers Welcome to Questions & Answers where you will find out what everybody else wanted to know. This Index is divided into seven main categories. In each category you will find the questions people have asked and the answers they have received. Click here for Advanced Questions. Muscle Building Fat Loss Exercise Technique Nutrition and Supplements Programs Miscellaneous Cardiovascular Training 1. In your beginner tip of the week on the 4 hour window of opportunity you mention eating simple carbs and protein. What are common examples of these food types that people might have in their homes normally and are good for them? Click Here 2. I recently started bodybuilding. I want to use creatine but I am not sure it is healthy. I know creatine is not a steroid so I don't think it is dangerous. What do you think? Click Here 3. How long does caffeine and ephedrine stay in your system after taking something like Xenadrine or other ephedrine-based fat-loss product? Click Here 4. I want to know what should I eat. I am a vegeterian and I don't like non-vegetarian foods. I am thin and I want to gain weight through exercise. Can you help? Click Here     Note: this information does not constitute medical advice and should not be taken as such. Consult your physician before starting an exercise program.