Before you purchase a supplement, you should check out the side effects before you decide to buy them. Most supplements have many different side effects, including, but not limited to, weight gain, depression, and death. I don't recommend all of the side effects listed here, but I am trying to be as specific as possible. A few other factors that you should consider before buying supplements are price, effectiveness, side effects, and how long it is for you to take the supplements. For example, some people think that drinking a glass of water once or twice a day is effective at weight loss. I am not a doctor, but from my research, this seems to be a common myth. The water is there for your body to cleanse and purify itself. The problem is that if you take too much water at once, it can actually increase the weight you gain because water has a low water solubility. Many supplements are only good for short periods of time. Some are even designed to have short shelf lives. One of the side effects that I have seen in my medical practice is that people are buying so many supplements that they lose track of the ones they already have.