DixieWrecked said: Was just doing some research on progesterone. Has anyone had it tested and corrected a deficiency? Anyone noticed an improvement in symptoms from this? Read more >>
madman said: 28:50-32:38 (29:20-30:05) We are working with different organizations on developing reference intervals that are based on certified assays. So we did already that successfully ... Read more >>
Apache said: Looking at the list of test bundles available which one should I get for trt and or hrt to see if that is what I need or should be prescribed? Read more >>
TLawyer said: Does anyone know of any studies or other authority on how many miles one can run each week (or each workout) without negatively impacting (and hopefully increasing) T levels? I ... Read more >>
ivkonst2017 said: Hello. Since Im on TRT(started end of 2019) I've always used the same brand of HCG(commercial, not compounded) and used the same bacteriostatic water from a person selling gear ... Read more >>
DragonBits said: This is about two somewhat different but related subjects. Basically, perceptions Vs reality. First, estrogen and body fat. Low testosterone often causes weight gain and lower ... Read more >>
Primarybot said: Click here to view on the web Highlighted posts A few questions on hormones and erectile dysfunction April 15, 2021 * 12 posts * 167 views Testosterone Basics & Questions Will ... Read more >>
Jed Dorsey said: Just curious you didn't mention hematocrit numbers how are they for you? I know mine are at high normal just at 100mg/wk if I try to add more it would definitely tip the scale ... Read more >>
AccuteD said: You add Ibutamoren as Enclophimene can lower Igf-1. I reduced my 12.5 mg Enclophimene to EOD, and still maintained extremely high Testosterone. Total T - 912 Free T - 17.4 Estradiol ... Read more >>
gerardo said: I think it happened to me because I have low SHBG 13. As soon as I started my TRT I started with EOD cypionate and then ED. I tried several times but the hematocrit got out of ... Read more >>
geezerjude said: Question? Is thyroid armor available online at Reliable RX? Cytomel? What name does Thyroid Armor go by on reliablerx? Thanks. Read more >>
madman said: Most definitely. Tmax approx. 40 min Nasal administration of T (4.5% testosterone nasal gel, Natesto) allows for rapid absorption through the nasal mucosa such that serum T levels ... Read more >>
TLawyer said: I have been playing around a bit with difference dosages and frequency of enclomiphene to see where I can the minimum dose and get a decent result on testosterone levels while ... Read more >>
gerardo said: Good morning everybody. After reading several posts I would like to take this discussion. To keep the HPG axis less suppressed with TRT does anyone have experience or use low doses ... Read more >>
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.
