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  1. M

    Time for anastrazole?

    Just a quick correction to what was posted above. The approximate elimination half-life of T. Cypionate injected via IM is around 8 days. There is no such thing as "whole life" in pharmacokinetics. Once you reach the second half life you take half of the first. When you reach the third half...
  2. M

    Tamoxifen dosage

    Tamoxifen is a SERM. It acts as an estrogen antagonist in breast tissue. It will not lower estradiol levels. To lower estradiol levels you would need an aromatase inhibitor like anastrozole.
  3. M

    Biceps injection

    Ventrogluteal is the 4th site. It is on the outside of the hip.
  4. M

    Biceps injection

    The 4 approved IM injection sites are chosen because you are less likely to injure vessels, arteries, nerves, etc. if you stay in those areas. I wouldn't venture outside of those areas, e.g. biceps, unless you have a good understanding of human anatomy.
  5. M

    I hit a vein while injecting testosterone

    1. Other than a possible bruise, you should be fine as long as you were in the lateral (outside) part of the thigh, which it sounds as though you were. 2. Injecting your own blood into yourself should not cause any issues.
  6. M

    Dr. Says T Is Too High

    Is the Free T really all that matters? If I take my Total T up to the end of the scale won't my Total T be off the charts?
  7. M

    Dr. Says T Is Too High

    I just would think that my libido would be tanked if the problem was high estradiol. On the contrary, I feel like I am 15 years old again in that arena. Although from what I have read subq injection of T cause T levels to max after 24 hours. This test was 2.5 days after. So I suppose my...
  8. M

    Dr. Says T Is Too High

    Do you think I should supplement with some melatonin tonight and try to get back on rhythm and see how I feel after that?
  9. M

    Dr. Says T Is Too High

    Hi Nelson, TSH was checked but not T3 and T4. TSH (HIGH SENSITIVITY) Range 0.340-5.600 1.180 I do notice that I wake up usually once during the night but go back to sleep. I usually stay up late to have "me time." So it is possible that I am just not sleeping enough. I just feel crappy...
  10. M

    Dr. Says T Is Too High

    I'm tired most of the time. I shake when I lift weights anymore. I always feel hungry and weak no matter how much I eat. I have been checking blood glucose regularly and it is fine as I was thinking it might be hypoglycemia. No history of diabetes. I am 30 years old. One good thing, my...
  11. M

    Dr. Says T Is Too High

    Labs drawn 2.5 days after T injection and 1 day before next: Testosterone, Serum 649 ng/dL 348 - 1197 02 Free Testosterone(Direct) 24.6 pg/mL 8.7 - 25.1 03 Estradiol, Sensitive 36.5 High pg/mL 8.0 - 35.0 Current Protocol: 46 mg Testosterone...
  12. M

    Testosterone vial

    I wouldn't think it would hurt it but you will probably get air bubbles in the oil if you shake it. Air in the oil means inaccurate dosing as the air takes up space that the oil would be in otherwise.
  13. M

    product loss when pulling syringe from the vial

    Hi Vince, After injecting the bacteriostatic water into the vial when mixing hCG and peptides, make sure to remove the same amount of air as water that you put in. So lets say after injecting 5mL of BAC water into the vial, pull the needle up above the liquid and suck out 5mL of air. This...
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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