Source

• Grapefruit seed extract comes from the peelings of the inner rind and seeds of grapefruits. It is also known as "citrus seed extract."
  
  

External Use

• Grapefruit seed extract is available in powdered form, and it is occasionally used as a disinfectant for patients before surgery.
  
  

Capsule Use

• In capsule form, grapefruit seed extract supposedly treats chronic infections. It is often used for various diseases including strep throat and influenza A2.
  
  

Risks of Grapefruit Seed Extract

• While some companies claim the capsule's effectiveness, others note it is only effective because it contains toxic chemical additives.
  
  

Taking Grapefruit Seed Extract Capsules

• It is not recommended to take more than 1,500 mg in one day. Exercise caution when considering adding grapefruit seed extract to a regular diet.