vitamin d deficiency

  1. nodoctor

    High: Lipids, CO2, PH, E, creatine kinase, hct, low:Vit D and more!

    First of all--thanks for the amazing and science/data driven advice I've received from you guys! I totally agree with treating symptoms not labs, but I've got some results that I think warrant action. Latest labs attached. Any help or questions much appreciated! General background: strict...
  2. Systemlord

    Vitamin D supplement cause bad taste in mouth and yellow teeth hours later...?

    I was just diagnosed with a vitamin D deficiency at 15 and began supplementation (D3) and immediately started getting a bad taste in my mouth and darkened yellow teeth hours later, is there another mineral that could be low that is affecting absorption, balance or utilization of vitamin D? The...
  3. Systemlord

    Are you adjusting your vitamin D intake to account for the Fall/Winter months of limited sunlight exposure?

    I went to urgent care today with all too familiar symptoms, they had been creeping up on me gradually over the last couple of weeks. Revisit 2019 and I had multiple deficiencies, vitamin D being on of them. A vitamin D deficiency is devastating for anyone with diabetes as it makes managing...
  4. Vince

    Hashimoto's and Vitamin D Deficiency

    Fact or Myth: Over 90% of Hashimoto's patients are Vitamin D Deficient.
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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