Garcinia cambogia has potential as a weight-loss aid, but has significant associated risks.
Green coffee extract appears to be safe and somewhat effective in increasing the efficacy of regular weight-loss methods.
The perennial plant has been used to treat depression, muscle weakness and muscle fatigue.
Numerous trials support the efficacy of lutein supplementation in the reduction or prevention of AMD, as well as other age-related conditions such as cataracts.
Clostridium botulinum is used as a treatment for conditions ranging from strabismus to muscle spasms to hyperhidrosis.