Best time to draw blood

Working with Defy to fine tune my TRT as we are still off a bit as far as fatigue is concerned. They just sent me another blood order which I will do locally at Quest Diagnostics.

My question is, when is the best time during my cycle to get the blood drawn to give the most accurate and usable results?

I inject Testosterone Monday morning first thing and then again on Thursday evening (every 3.5 days). I inject HCG Sunday evening and Thursday morning and I take Anastrozole as soon as I take my testerone injection.

Just want to be able to give the most accurate results possible to help fine tune this.

Thanks for the thoughts
 
I would skip your HCG on Sunday evening, have labs Monday morning before you inject and remember to fast. I would also tell the doctor/RN the procedure you followed.
 
I would skip your HCG on Sunday evening, have labs Monday morning before you inject and remember to fast. I would also tell the doctor/RN the procedure you followed.

Vince a question: Why fast for labs unless you are getting lipids, glucose or metabolic panel? WebMd has list of blood test to fast for and they don't mention hormones.

Also, why not test late in PM before your injection if testing hormones when your T levels are really at a trough? I am a morning person and have a lot more energy than later in the afternoon. Understand that T levels peak in the am then slowly decline during the day so - why not have labs drawn at 2:00 pm rather than at 7:00 am?

Just asking!
 
Vince a question: Why fast for labs unless you are getting lipids, glucose or metabolic panel? WebMd has list of blood test to fast for and they don't mention hormones.

Also, why not test late in PM before your injection if testing hormones when your T levels are really at a trough? I am a morning person and have a lot more energy than later in the afternoon. Understand that T levels peak in the am then slowly decline during the day so - why not have labs drawn at 2:00 pm rather than at 7:00 am?

Just asking!

Endogenous testosterone levels peak in the morning and decline during the day. An individual on a TRT protocol is producing no natural testosterone, the only testosterone in one's system is that which has been injected/absorbed/implanted - there is no natural production. The "morning peak" does not apply to a TRT patient.
 

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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

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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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