Are High Ammonia Levels Making Your Brain Tired? Are high ammonia levels making your brain tired? Excess ammonia, or hyperammonemia, can be the cause of neurological and metabolic disorders. Why do these levels rise and what can you do about it? What Is Ammonia? Ammonia is a colorless gas with a characteristic pungent odor. It … Read moreAre High Ammonia Levels Making Your Brain Tired?