Are citramin (engelhard arzneimittel) tablets used for colds?

Citramin: Citramins contains all the essential minerals bound to citric acid, in a formula that includes copper and iron. Besides providing a well-absorbed chelate, citric acid has potential health benefits of its own. As an important kreb's cycle intermediate (also called the citric acid cycle and important for energy production), citric acid is essential for metabolism in all living organisms.