Why is 200 mg/wk the "upper limit" for TRT?

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I keep seeing people post that 200 mg/wk of test propionate is the upper range for TRT and that anything more than that constitutes AAS levels, with the implication that if you go higher you are abusing the protocol. Why is that, exactly? I'm a pretty big guy (235, just under 6'), and I feel much better on 300 mg/wk -- which I only discovered after realizing I'd been under-dosing myself for 10 weeks, and had a bonus supply of T. One extra shot last week and my libido shot up, my lifts shot up, and I felt pretty great in general.

Don't get me wrong. I'm happy with my current protocol [200 mg/wk test cyp (1/2 Mon, 1/2 Fri), 1 mg. Anastrozole (.5 Mon/.5 Fri) and 1000 iu. HCG (500 Mon/500 Fri)] and all my numbers are good, but why exactly are higher doses problematic? It doesn't seem like the potential side effects on a slightly higher dose would be that difficult to deal with.

[Edit: I also add a few pumps of Androgel a couple days a week to the protocol, though it doesn't seem to do much -- maybe a little libido boost].



 
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Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

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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Understanding Your Hormones

Estradiol (E2)

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.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

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

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