ACE inhibitors may primarily work by increasing nitric oxide synthesis to lower blood pressure.

“one of the drugs that they give people now when they're given Avastin or ACE inhibitors which are normally needs to lower the blood pressure one of the primary effects of ACE inhibitors is the increased nitric oxide synthesis that's how that's how I believe that's actually how they work it's not supposed to be either work but it is houses I guess what they've never found”