Recent content by HeatherM

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    Melatonin: functional significance for optimal cellular physiology - Prof. Russel Reiter (14/11/19)

    There is conflicting info on the internet, e.g. "Melatonin inhibits the enzymes involved in the synthesis of estrogen, thus leads to lower levels of estrogens. It is thus considered to be a selective estrogen enzyme modulator. In a study on 3,699 post-menopausal women, the results show that...
  2. H

    Melatonin: functional significance for optimal cellular physiology - Prof. Russel Reiter (14/11/19)

    In a 2022 interview Dr R said he was 87 and took 80 mg. 3 doses;- 45 mins before bedtime, then 15 mins before, and final dose at bedtime. Start taking it after 40 years at 10 mg.
  3. H

    Melatonin: functional significance for optimal cellular physiology - Prof. Russel Reiter (14/11/19)

    It depends on your age. Start at age 40 and increase as you get older. In an interview with Mercola, he said at the age of 87 he's up to 80 mg.
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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