peak

W
Peak for daily injections?

I might be having some trouble getting things dialed in on daily injections, and I very much want to find out what my peak is. Does anyone have any idea about how long after injection to get labs done for peak? I think I remember reading somewhere a long time ago that five hours would be peak...
- wemmington
- Thread
- Jan 20, 2023
- daily inections labs peak trough
- Replies: 1
- Forum: Testosterone Basics & Questions
S
When To Test For Peak Or Trough

How many hours after I inject cypionate would I test the highest? How many hours before the injection would I test the lowest? Is it as simple as just before the next injection? I am on an EOD schedule.
- Strengthandlibido
- Thread
- Dec 20, 2021
- cypionate peak trough when to inject
- Replies: 8
- Forum: Testosterone Basics & Questions
S
Test cream trough?

Has anyone here on the creams tested their trough levels? If so, what are your peak levels for comparison?
- StepbyStep
- Thread
- Jul 12, 2020
- cream peak trough
- Replies: 3
- 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
J
Peak and trough

Hello I have a question for those of you who may have a answer. I have been using .4 ml q 3.5 days and my trough was 1125 last lab. I have been using .36 ml Q 3.5 days to bring it down a little. I realize that the difference between Peak and trough will not be as wide due to injecting Q 3.5...
- Jerry1
- Thread
- Oct 20, 2018
- peak trough
- Replies: 2
- 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