How to spell OLYOGEN correctly?

We think the word olyogen is a misspelling. It could be just an incorrect spelling of the words which are suggested below. Review the list and pick the word which you think is the most suitable.

• glycogen Glycogen is primarily stored in the liver and muscles as a readily available source of energy.
• oxygen Oxygen is essential for all living organisms to breathe and survive.

Excatally

• exact
• exacted
• exactingly
• exactly
• exacts
• executable
• exotically
• extol
• inexactly
• oxtail