OUCH!!!!!Guys have broken 30s in their penis for trimix before.
I would just get 27s for IM test so it doesn’t take 2min to load.
Needle is unlikely to break though but it is possible. I wouldn’t use a 30 for test. Guys have broken 30s in their penis for trimix before.
I load my 1ml syringe with a 20G, and inject with a 30G X 1". Been doing that for almost a year with zero problems into the quads. I'm a low SHBG guy, so I'm only pushing .10ml every day. It takes me about 20 seconds to push in .10, but I'm not pushing crazy hard, because I don't want my thumb to slip off the plunger.
I'm pretty careful not to slip, so I just push it in slow and steady. The only experance I've ever had damaging 30G needles is pushing them into the rubber on the bottle. I never broke one, but twice I've bent Easy Touch insulan 30G X 1/2" going into the bottle for HCG. I still used them with no problems.
I go subQ with 30g 5/16", it is fine with grapeseed oil as a carrier, I suspect cottonseed would do better with 29-27g. And I have used 30g 1/2" shallow IM just fine as well. If you are steady and paying attention, I see no reason why you would break off the needle. If you are a nervous wreck, drunk, have serious tremor or whatever, I could see the possibility.
I would not try 30g at 1" though. Didn't even know they exist!
If you have a hefty fat layer 1" could be warranted. If not 1/2" can work for shallow IM in many locations.
He is not using an insulin syringe with a fixed needle as 27-31 gauge insulin syringes do not come in a needle length longer than 1/2 inch (12.7 mm) simply because they are meant for injecting insulin and a needle length any longer would never be needed!
If anything he would be using a syringe needle tip attachment 30 gauge 1 inch.
Predict estradiol, DHT, and free testosterone levels based on total testosterone
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A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.
Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.
The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.
Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.
DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038