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  1. D

    Sliding scale

    has anyone ever injected testosterone based on a sliding scale? diabetics will often inject insulin on a sliding scale based upon their daily blood glucose values, and their diet/exercise each day. what about injecting testosterone on a sliding scale based upon symptoms? after 5 years on the...
  2. D

    What happens to all the oil we inject?

    Blobs of fat are not meant to be in the bloodstream, and can be harmful when they are. For example, fat embolization syndrome is a well-known sequela of orthopedic injuries. Someone breaks their femur, and little pieces of the marrow enter the bloodstream, showering the lungs with numerous...
  3. D

    SUBQ vs IM physiology

    Having found that I have a lowish SHBG (22; normal range 16.5-55.9), and having what I believe to be related clincal symptoms, I've decided to follow the advice of some members of this forum, and increase the frequency of my injections from 2x/wk to daily injections. What I'm now trying to...
  4. D

    Testosterone preservative toxicity?

    I've been having some strange side effects for the past few months: waking up short of breath, brain fog, head pressure, even a couple episodes of nystagmus. I trace these symptoms back to the same time I happened to switch from cypionate to enanthate. I assumed these were essentially...
  5. D

    New problem

    Sleep issues On trt 5 yrs. Initially poorly managed on too much T (200 mg IM qweek) and too much AI (1 mg 2x/wk) with very little labwork. Past couple years have been essentially managing myself, 100 mg IM qweek, no AI, and 250iu HCG 3x/wk. Most recent labs total T=850, and free T=29 (upper...
  6. D

    Will FSH Help Low SHBG Patients?

    I came across a recent journal article claiming that FSH stimulates production of SHBG by the liver. I cannot post the link to the article (since I'm new to this forum), but you can find it by Googling: Pubmed 28260206 I had always wondered why it is that everyone is so keen on...
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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