citrulline

  1. D

    Nitric oxide vs antioxidants

    Hey guys, I like to use arginine, citrulline, etc to encourage nitric oxide for blood flow as do some others. However it's come to my attention that at some point it's a free radical. Also using antioxidants may decrease nitric oxide? How do we get the best of both worlds? Any thoughts?
  2. C

    Arginine/Citrulline Injection Dose

    I have some arginine/citrulline combination, 22mg per ml of each, for injection. I want to take it to see if it helps with erectile dysfunction. So, how much and how often? Does it have to be daily, or can I for the sake of convenience inject it on the 2 days per week I also inject testosterone...
  3. Nelson Vergel

    Citrulline: What is it? What's it used for? Does it help with NO? ED? Athletics?

    Citrulline was named for citrulline, or watermelon. It is converted by the kidneys to L-arginine and NO, or Nitric Oxide. Nitric Oxide is essential for the health of the artery. It feeds the inner lining of the artery, the intima. Diabetes, periodontal disease and other causes of arterial...
  4. Nelson Vergel

    Collection Of 250+ Studies: Supplements, Vitamins, Bioavailability, Micronutrients

    1 Arginine (6 articles) 2 Beta-alanine (10 articles) 3 Coenzyme Q10 (5 articles) 4 Caffeine (24 articles) 4.1 Performance and sports 4.2 Long-term effects, tolerance and withdrawal 4.3 Cognitive function 4.4 Sleep 4.5 Energy expenditure 5 Creatine (31 articles) 5.1 Testosterone and DHT 5.2...
  5. Gene Devine

    Gene's Nitric Oxide Stack

    Many have used this stack for massive hard pumps in the gym, significant vascularity and excellent erectile function not discounting the health benefits. If you're looking for any of these benefits and more...give it a try! Nitric Oxide Stack Bed Time 5 mg of Tadalafil (Cialis) 3000 mg of...
  6. Gene Devine

    Gene's Nitric Oxide Stack

    Many have used this stack for massive hard pumps in the gym, significant vascularity and excellent erectile function not discounting the health benefits. If you're looking for any of these benefits and more...give it a try! Nitric Oxide Stack Bed Time 5 mg of Tadalafil (Cialis) 3000 mg of...
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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