It is common to see anabolic steroids, creatine, and other anabolic steroids sold with claims of being "immune boosting", "building muscle fast", or "enhancing the immune system". If you are taking these substances as intended, it's important to understand these claims before you use any products. If the claim is that the supplement will improve the immune system, then there are likely many other products you could take to help. Many supplements for muscle building use the same claims, even if their claims are not. Some of these claims could be false. The following are some products that are used to help the body to build muscles, and are being sold as such. Alcohol - Beer, wine, and spirits are the best sources of alcohol for muscle building. Many studies have shown alcohol to have a positive effect on the body's natural ability to produce muscle protein. However, alcohol does not seem to have any of the benefits of the other three types of alcohol, so it is best to avoid drinking alcohol. Some of the studies have found that regular alcohol use has a negative impact on weight gain. However, this study does not address the question of whether alcohol use is harmful or beneficial to weight gain.