I would not use anything higher than 0.12 cc or 1.2 iu
I am down to using 2.5 iu. That's 2 and a half little tics on the syringe and it lasts for hours and I have to work hard to get it down with 4 Benadryl, ice and squats. I would like to get it down to around 1-2 hours so I can go to sleep and not worry about it.
I will try 1.5 next.
I had a similar experience. When I first started trimix (11 years ago at age 62) 3 ticks on an insulin syringe (0.03 ml) kept me hard for several hours. Now (age 73) it takes 8 ticks (0.08 ml) to get the same effect.
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Obviously, several hours is more time than needed, but the longer time has advantages. At those doses, my erection is ready to use sooner, important with a spur of the moment decision. At a lower dose I may need 20 to 30 minutes to get a usable erection.
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The longer-lasting erection is also good if my wife doesn't come to bed as soon as I expect her to, which sometimes happens. Even if she takes an hour more longer I expect, I'm still good to go.
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Another good thing about the higher longer-lasting dose is that is that my erection feels much more rigid. I love that feeling. It really turns me on makes the climax much more intense. I also like staying hard after sex. It feels good and I find it very satisfying and relaxing to fall asleep while still hard.
Predict estradiol, DHT, and free testosterone levels based on total testosterone
This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.
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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