Gets into the body much faster and hits harder . I think it’s one the best pre workouts for leg days . You have almost a primal feeling . Also gives you the hardest pecker for after the gym I’m
Talking wall hole puncher hard .
Pharmacodynamics of suspension and oil are different, but not in the way you might think.
With suspension, there is rapid absorption of the injected water carrier, but the testosterone is not actually dissolved in it. So the testosterone particles are basically miniaturized implants that absorb over time, but still faster than a short ester like proprionate or acetate. They also will physically irritate the muscle fibers, causing inflammation/PIP. I've injected both test and winstrol suspension subQ also - inflammation still occurs, but it's just soreness and less severe, with no issues walking, working out, etc.
With oil/base, the testosterone is actually dissolved in the oil carrier. For a given volume, oil may take longer to absorb compared with water (based to some degree on viscosity). But the testosterone itself enters the system with it - and this typically faster than from suspension. An exception would be a high volume injection resulting in a reservoir, but that is more an issue with thicker esterified steroids; generally one wouldn't inject more than 50-100mg TNE so only 0.5-1cc - that diffuses amidst the muscle fibers and get absorbed quite fast.
Infection risk is also worth considering. I avoid doing any larger volume IM water-based injections... most true infections (as opposed to an inflammatory mass ie 'sterile infections' or phlegmons) come from these. L-carnitine is a common offender as injected volumes are typically fairly high, so I inject that subQ rather than IM - 0.5cc/300mg at a time, leaves a bump for a few hours but painless and then dissipates. Infection risk from subQ injection approaches zero unless your technique is filthy - and if it does happen it's easy to treat/I&D yourself. Intramuscular infections not so much, they generally require ER or urgent care visit, ultrasound-guided drainage sometimes with a pigtail left in, and oral or possibly IV antibiotics.