Biggin likes Axio's Suspension. I suggest 50-100mgs/ed, some like to run it 30-45 mins before training, I prefer to run it ed for 8-10 weeks personally. It can and will get expensive, but well worth it. Suspension is the absolute best Test to run Imo!! It will jam up a 23g fosho, never had issues pulling and injecting with a 22g though.