If 10 mg of Ramipril with 250 mg or resveratrol cause dizziness can the Ramipril be reduced?

My husband has been taking Ramipril (10 mg) for about 1 year. We would like to see if taking resveratrol will help his cholesterol. He does not have heart problems. But has had 1 TIA. We would like to see if after 5 months when he is to get another blood test and checkup whether the resveratrol is having a positive effect. He has been extremely tired in the evening for at least 6 to 8 months. He has been taking the resveratrol  for 1 month and is now sometimes dizzy and fuzzy headed.   Do you think it is a good idea to ask his dr if we can reduce the Ramipril at least until his next checkup and blood test? A typical  BP for him is 119/78. He takes Zetia(10 mg) and Plavix(75mg).