Question anything you hear about herbal fiberblend products. Many advertisements are more focused on selling products than helping customers. Question anything you see when you get this information. Consider speaking with your physician before starting any supplementation.
Unless you are sure the vendor is reputable, do not buy vitamins online. There are numerous companies that induce vitamins that contain extremely little of the mandatory nutrients and additives. Understanding your seller will help you avoid this issue. Do sufficient research before leaving anything as important as your health to an unknown organization.
If you are using more than 500mg of calcium daily divide it into two doses.