primobolan

  1. L

    Primobolan/Tren HRT No Test

    The other day I came across a YouTube video of this guy who, as an experiment, ran primobolan with no test and he was running .15mg of estradiol valerate EOD to make sure he was getting enough estrogen. I am trying to find it again, but have not been able to. Does anybody know what I am talking...
  2. S

    Why don’t compounding pharmacies and TRT clinics make primobolan(metenolone)?

    It’s my understanding that metenolone is still a “legal” drug in the US in the sense that it could be prescribed for certain medical conditions but it just isn't and it is just not made by any mainstream drug manufacturers, but it is an approved FDA medication. Assuming that’s true, I’m curious...
  3. Q

    Experience With Primobolan?

    Hi Nelson - Do you have any experience with Primobolan Depot? I was wondering if this is a good substitute for Deca. My research shows that it is a bit weaker than Deca, but safer overall and the gains are clean and sustainable. I'm on TRT 175mg/week and I am wishing to rehab my joints and...
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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