Test base and Tren base recipes? both suspension and oil help please?

I was interested making one of these and was wondering which would be easier and better? I know the suspension is absorbed faster but heard it might be painful, how much slower absorbing or acting is using oil instead?
I was just about to order syringe filters and solvents but realized a lot of recipes are old or complicated. Im not looking to make it a high concentration, just a simply recipe. What filters should I use? Am I allowed to ask where you guys buy your solvents, I haven't done this in a few years. Appreciate the help. Planing on using this just on work out days as a pre work out or right before sex lol.

Advice on filters and solvents please?

damn bro, hope you figured it out, as it looks like your thread got lost in the shuffle lol my 2 cents is always go with oil base, as its painless, and hits just the same in terms of how fast it gets to you,