Co-Enzyme Q10 Deficiency
Symptoms: Encephalomyopathy, mental retardation, exercise intolerance, ragged-red fibers, and recurrent myoglobin in the urine
Cause: Probably autosomal recessive
Treatment: Administration of Co-enzyme Q10
Links: https://rarediseases.info.nih.gov/diseases/10423/coenzyme-q10-deficiency