I think K is the most common. Looks like stainless steel and machines about the same. These two are the only copper/nickel alloys that are called Monel. There are a lot of other copper/nickel alloys. Monel has more nickel than copper. When the copper content gets higher the color changes toward copper. Probably at least 400 alloys of copper with nickel, aluminum, zinc, tin, magnesium with various names but there are only two that are called Monel as far as I know. 04-28-2008, 03:46 PM #20.
Metformin may cause some side effects, including stomach symptoms such as diarrhea, bloating, stomach pain, gas, indigestion, constipation, and heartburn. Metformin may give you an unpleasant taste in your mouth. Metformin may also cause headaches, make your skin flush, cause changes to your fingernails, and cause muscle pain.
Metformin Side Effects: Prolonged Use Lead To Severe Side Effects. Metformin is a frontline diabetic drug prescribed by doctors to improve insulin resistance in the body. It is one of the most popular medicine for type-2 diabetes patients worldwide. However, according to a new research study, prolonged use of metformin can be a cause of side effects such as depression, loss of appetite, reduced mental ability to think clearly, fatigue and breathlessness.