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  1. JWSimpkins

    Zinc and high estradiol

    50 mg of zinc daily is good, just make sure you also take 2-3 mg of copper along with it. Anymore than 100 mg of zinc per day for extended periods can negatively impact immunity.
  2. JWSimpkins

    Can Niacin Fight Heart Disease?

    Keith, do you use regular or slow release Niacin?
  3. JWSimpkins

    How to be a man with charisma

    My personal take on how to be charismatic is this: When attempting to "charm" someone, always keep in mind that it's not important what they think of you, but rather what they think of themselves when they're with you.
  4. JWSimpkins

    The Science Behind Posture and How It Affects Your Brain

    The way we stand, sit, and walk, actually has more longer reaching implications on our mood and happiness than we thought. The latest studies reveal it. http://lifehacker.com/the-science-behind-posture-and-how-it-affects-your-brai-1463291618
  5. JWSimpkins

    Daily Aspirin

    Aspirin as a possible anti-estrogen? http://www.ncbi.nlm.nih.gov/pubmed/15161893
  6. JWSimpkins

    IOC to act after new testing methods reveal hundreds of positive results

    Drug use in sports has been going on since recorded history. It will not ever stop, especially with the amount of money involved today. Prohibition has never worked and it never will. Legalizing and regulation are the keys to athlete safety and performance enhancement...
  7. JWSimpkins

    Zinc and high estradiol

    That's a pretty wide margin of error, no?
  8. JWSimpkins

    The future of lab testing?

    WOW, we are living in interesting times!
  9. JWSimpkins

    Daily Aspirin

    Ray Peat PhD on the myriad of health benefits of daily aspirin use: http://raypeat.com/articles/aging/aspirin-brain-cancer.shtml
  10. JWSimpkins

    Daily Aspirin

    Nelson, are you saying that it is no longer believed that aspirin contributes to internal bleeding?
  11. JWSimpkins

    Daily Aspirin

    Gene, have you tried taking 500mcg of vitamin K2 along with it?
  12. JWSimpkins

    The future of lab testing?

    Nelson, how long do you think it will be before this becomes a reality?
  13. JWSimpkins

    The future of lab testing?

    A number of startups are selling portable diagnostic laboratories that require just a drop of the patient's blood, made possible by advances in the field of microfluidics. But perhaps lab tests can be made faster, easier and more accurate with a turn-of-the-last century technology: automation...
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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