ed; pde5i; cost; pharmacies/prescriptions

  1. madman

    Annual Out of Pocket Cost Disparities of Erectile Dysfunction Medications: Online Companies vs Medicare

    * For both sildenafil dosages and tadalafil dosages, Cost plus was the most affordable option. For Vardenafil, GoodRx CVS was the cheapest option. We then compared the Plan D groups, GoodRx pharmacies, Cost plus and Amazon and found that the costs of drugs via the discounted pharmacies were much...
  2. madman

    Cost Analysis of ED Drugs in the United States

    Abstract Objective To perform a cost analysis of generic and brand-name PDE5 inhibitors at different dosages and pharmacies across the US. Methods Using an all-payer retail pharmacy claims database, we analyzed prescription drug data for three generics and six brand-name oral PDE5...
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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