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Switching from injections to Kyzatrex - residual T and labs timing?

As the title states, I am switching from 12mg T cypionate subq daily injections to Kyzatrex oral testosterone (I plan on detailing my journey in another thread when I have labs to share). I stopped my injections today and will not start taking Kyzatrex for a week. I have some questions about how...
- Vman
- Thread
- Nov 1, 2024
- kyzatrex labs oral testosterone testosterone cypionate
- Replies: 1
- Forum: Testosterone Basics & Questions
V
Anastrozole timing of doses and labs

Is there a standard dosing protocol for anastrozole? I've seen ED, EOD, twice a week, once a week and even once every two weeks. How long does anastrozole stay in your system? Is there a point at which your E2 troughs relative to when you take a dose? Is there a certain time relative to dosing...
- Vman
- Thread
- Dec 16, 2020
- anastrozole labs time
- Replies: 2
- Forum: Testosterone Basics & Questions
V
Peak & trough timing on daily subq injections?

I'm on daily subcutaneous testosterone cypionate injections and my doctor always has me do my labs in a 4-5 hour window post injection. I know T levels are pretty stable on daily injections but does anyone know the timing of the peak and trough for daily subq cypionate injections? I just want...
- Vman
- Thread
- Oct 6, 2019
- bloodwork cypionate daily injections labs peak testosterone timing trough
- Replies: 18
- Forum: Testosterone Basics & Questions

TRT Hormone Predictor Widget

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