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I came across this paper and found it a great reminder of how refined the dopamine system actually is. Below is a concise, plain-English summary you can skim. Big picture The paper asks not just how much dopamine (DA) is released, but where, when, and how precisely it acts in the brain. Old...

Hey guys, I’ve noticed a lot of people say they feel great when they change their protocol — new ester, new dose, new timing — but after things stabilize, they start feeling kind of “meh.” That made me wonder: does anyone here intentionally vary their dose a bit, based on how they feel? Like...

I’ve been running daily 20 mg Testosterone Propionate (IM) along with 150 IU HCG (IM) every day. At first, I was getting a lot of energy — even a bit of anxiety sometimes — but lately that energy seems to have faded. I’m not sure if there’s some kind of downregulation happening or if something...

I came across a YouTube video where someone claimed that daily Tadalafil (maybe 5 mg) caused a big reduction in estrogen levels in a study. Is that actually true? Has anyone seen the data or experienced this themselves?

I’m planning to do some blood test today to check how high my testosterone peaks with daily 20 mg Test Propionate (IM) and daily 150 IU HCG (IM). (After this I will probably switch to testosterone cream). I’ve read in some places that the peak occurs around 4–5 hours post injection, but ChatGPT...

Hey, quick question: Does anyone have one or two metered dispensers for testosterone cream — empty ones — maybe in different sizes? I’d be happy to pay for shipping. You just can’t buy a single one here in Germany — they only sell big packs, and they’re crazy expensive (like 100–150 bucks for...

Hey, does anyone have a simple recipe for making scrotal testosterone cream? I’ve got testosterone base on hand and want to turn it into a cream, ideally something not too crazy, with easy-to-get ingredients and not too many steps. Maybe someone here has already done that and can recommend...

I've seen that some people measure their rate of aging using tools like genetic or epigenetic clocks (e.g., DNA methylation age). I'm wondering how different testosterone dosages, from standard TRT levels up to supraphysiological doses, might affect the speed of aging as measured by these...

Are here people who use smart rings to track the effects of trt on sleep, hrv etc...? Or does anybody know if there groups, forums etc? Got oura ring and I am eager now to improve my sleep. Also courious what other things such a ring would be helpful for. I (m37, 25mg t prop, 150 IU hcg) tried...

I (m, 37) take 20mg testosterone proprionate IM and 150 IU Hcg IM. I sometimes noticed under certain circumstances e.g. while travelling, that when I missed some sleep then the next day I didnt sleep really much more. And I just can go on and still look the same and dont feel too much tired or...

Currently I (37m) am taking 20mg testosterone propionate and 150 IU hcg per day. doing that since a couple of months. I asked the doc if he can check my carotis intima and so on to see if there is soft plaque etc.... He said I need to go to cardiologist. Question is now how to find a good...

Hey everyone, I heard taurine can be used for managing side effects, but I'm not exactly sure how it works or what it helps with. Can someone shed some light on this? I think I read somewhere that @Nelson Vergel takes pretty large amounts of taurine—maybe he can chime in and share his...

Hi, Since Maximus TRT+ (oral native Testosterone with enclomiphene) isn't available here, I created my own version using micronized native testosterone powder dissolved in 30g of olive oil, combined with enclomiphene. I've conducted two separate experiments: Baseline / Context: Healthy male...