Grade: C (Unclear or Conflicting Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Ginkgo	Altitude (mountain) sickness
Vitamin E	Altitude sickness
Grade: D (Fair Negative Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Arginine	Altitude sickness
Traditional or Theoretical Uses which Lack Sufficient Evidence
Therapy	Specific therapeutic Use(s)
Alpha-lipoic acid	Altitude (mountain) sickness
Reishi mushroom	Altitude sickness (treatment or prevention)
Rhodiola	Altitude (mountain) sickness
Selenium	Altitude sickness