All in is an amazing Stimulant free product..I'd say it's the best non stim preworkout that I have ever seen...and would be ideal for you so as not to raise BP, etc..

With that being said, I personally like to add ECA to it, but in your shoes that would not be an option

In regards to Preworkout including stims, I personally recommend Angel Dust from Blackstone Labs as the strongest on the market, and Craze from Driven Sports as #2 on the market. These blow away Jack3d, 1MR, Stim Elite, Nitraflex, c4 or any other potent preworkout with stims.