Recent content by sifter

  1. S

    Pregnenolone CRUSHED my libido

    I generally try to take as few supplements a day as possible- when I titrated to the above schedule, it got my numbers back into range so I did not try to optimize any further-
  2. S

    Pregnenolone CRUSHED my libido

    The above advice is pretty good- I have used assays that accurately measured Pregnenalone and Progesterone. When I found my levels were just about out of range low, I supplemented with oral Preg to bring them back in line. I titrated the dose to 10mg of preg 3x a week and that was plenty to...
  3. S

    Sildenafil / Apomorphine HCl combination

    Recently have noticed a number of practitioners and compounding pharmacies (including Empower) start to offer a combination of sildenifil and apomorphine in a tablet for E.D. Curious to know in anyone in our group has had experience or success with these?
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    Iron Supplementation Protocol to Raise Ferritin FAST While on TRT: The Vorck Protocol

    FDV70- Very interesting thread- Have you seen any use this protocol for cases of chronic low ferritin which was not induced by donations- those just trying to boost ferritin while keeping Hematocrit and Hemoblobin in check?
  5. S

    Solution to infamous high HCT low ferritin dilemma

    Just a heads-up to those guys who have tested very low on their Ferritin- My functional doc discovered I had low ferritin (11) a number of years ago, and I was having minor gut issues at the time. She was looking for the root cause since the low ferritin in an adult male was unusual. The...
  6. S

    Pregnenolone kills libido

    Have you had your Pregnenolone or Progesterone tested? I have used the Genova 24-hr Total Hormones (urine) to stay on top of- But I will tell you that although without supplementation both my Preg and Prog levels were way below range. When I supplemented with 30mg/day Pregnenolone, in me it...
  7. S

    Drawing Test Cyp into the needle / issues

    Yes I also do like tersec- I use a 17 ga to draw and back-fill about a few dozen of my 31ga pins at the same time. I can do a couple of dozen in about 10 min. Works pretty well (always careful and sanitary) and never had a problem...
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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