How Garlic interacts with saquinavir

Interaction type: Interactions

Interaction rating: Study Supported

A study in healthy human volunteers has indicated that garlic supplements can decrease the blood levels of saquinavir, which may change the effects of this medication and possibly the dose needed for treatment. Inform your healthcare professional if using these two products. (1)


  1. View Abstract: Piscitelli SC, Burstein AH, Welden N, Gallicano KD, Falloon J.The Effect of Garlic Supplements on the Pharmacokinetics of Saquinavir. Clinical Infectious Diseases. 15 Jan 2002;34. Published online 5 Dec 2001. Accessed at: