zinc supplements

  1. J

    Best zinc to lower estrogen levels? Zinc picolinate?

    Hi everyone, In the past, I used to supplement with zinc nitrate. However, I recently heard that zinc picolinate may be better while being on TRT. Would you guys recommend zinc picolinate over zinc nitrate to lower estrogen levels? My estrogen is not too high at the moment, but my dr recently...
  2. R

    Zinc supplementation and MRI exam with contrast dye

    Zinc supplementation is popular with men including many on TRT . Those who have an MRI planned which includes the use of a contrast dye may wish to stop taking the zinc in advance of the exam. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4879157/ Patients are told the dye is safe because the...
  3. Nelson Vergel

    Zinc Supplements Can Lower Good (HDL) Cholesterol

    Effects of zinc on plasma lipoprotein cholesterol concentrations in humans: A meta-analysis of randomised controlled trials Abstract Background Studies in humans and animals suggest that zinc has the potential to affect lipoprotein metabolism and hence impact cardiovascular disease risk...
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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