Testosterone half life table

Vince

Super Moderator
attachment.php
 
Interesting.........
It seems like most TRT docs prescribe Cypionate almost exclusively.
However, I understand that a lot of users outside of TRT protocols will buy enanthate to cycle on...........

According to the table above, it doesn't look like there's much difference between the 2 so why is cypionate
prescribed the most??
Just curious...
Thanks for the table!
 
Interesting.........
It seems like most TRT docs prescribe Cypionate almost exclusively.
However, I understand that a lot of users outside of TRT protocols will buy enanthate to cycle on...........

According to the table above, it doesn't look like there's much difference between the 2 so why is cypionate
prescribed the most??
Just curious...
Thanks for the table!

Not true, hard core bodybuilders usually prefer propionate and inject every other day, guaranteeing less fluctuation in levels and less aromatization. The rest usually stack cypionate with deca durabolin or trenbalone, and add proviron or cabergolin to keep prolactin levels down. Enanthate is used less than the other two, and usually has more pip.
 
Very interesting, if you inject test cyp twice a week or more it seem like your peak wouldn't be much higher than your trough then.
 
Last edited by a moderator:
Very interesting, if you inject test cyp twice a week or more it seem like your peak wouldn't be much higher than your trough then.

The point of multiple, smaller doses is to eliminate the high-flying peak and the low-riding trough. I went to small, daily doses in order to achieve as close to steady-state levels as is possible. Random checking indicates that my total testosterone stays between 935 and 960 day in/day out.
 
I would think injecting both T and HCG every 3 1/2 day. You would some spikes. Which for me would probably be a good thing, since I've never had a problem with estrogen. I usually have my best workouts after my injection day or maybe it's a placebo effect.
 
Not true, hard core bodybuilders usually prefer propionate and inject every other day, guaranteeing less fluctuation in levels and less aromatization. The rest usually stack cypionate with deca durabolin or trenbalone, and add proviron or cabergolin to keep prolactin levels down. Enanthate is used less than the other two, and usually has more pip.
what is pip ?
 

hCG Mixing Calculator

HCG Mixing Protocol Calculator

TRT Hormone Predictor Widget

TRT Hormone Predictor

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.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

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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