For example, copper is added to the precious metal silver to make a more durable alloy for use in coins, housewares and jewelry. Coin silver, which was used for making silver coins in the past, contains 90% silver and 10% copper, by mass.
Metformin ER (Fortamet) Metformin ER (Fortamet) is an expensive drug used to treat type II diabetes. It helps control blood sugar in combination with diet and exercise. This drug is slightly less popular than comparable drugs. It is available in brand and generic versions.
Metformin can be sold under the names Glucophage or Glucophage XR. You may also see this drug labeled as Fortamet, Riomet or Glumetza. This medication is commonly used alongside other medications such as insulin to treat type II diabetes.