Are Force Factor side effects dangerous?

Force Factor side effects include nausea, vomiting, stupor, decreased testosterone and allergic reaction. Force Factor is intended to increase strength and endurance, but does have potential side effects, according to Supplement-geek.com.

The amino acid arginine is one of the main ingredients in Force Factor. It may improve athletic performance but is known to cause side effects such as stomach cramps and nausea. Arginine is also linked to decreased testosterone and potential allergic reaction. Another ingredient, magnesium stearate, is a type of fatty acid used for lubrication. It is also known to cause vomiting. Force Factor includes calcium phosphate to increase bone strength, but this may also cause stupor, according to Supplement-geek.com.