vitamin a

  1. G

    Eye opening info on iron

    Super Human Radio by Super Human Radio on Apple Podcasts Here’s the FB version with video
  2. Gianluca Bonetti

    Vit A/beta carotene supplementation help

    if there is a Vitamin I understood I do not need to supplement with is Vit A/beta carotene, from my reading we do get plenty from diet and researches prove that unless illness or deficiency supplementing with it can be actually harmful long term so I decide I don't want that anymore....too bad...
  3. R

    Obesity robs major organs not blood of Vitamin A despite adequate intake

    A new Cornell University study published in Scientific Reports, shows that obesity interferes with the body’s ability to use vitamin A, even with adequate intake. http://www.futurity.org/vitamin-a-obesity-1044622-2/ Liver, kidneys and pancreas in obese mice were found to be deficient in spite...
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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