sublingual

  1. V

    Can all liquid supplements be used sublingually?

    I didn't find any sublingual specific vitamin D, so I ended up with liquid vitamin D drops. Is there any reason why any liquid supplement, such as my vitamin D, cannot be absorbed sublingually? Or will all be absorbed if I hold it under my tongue, or on my tongue?
  2. T

    Oxandrolone via Troche to Bypass First Pass Metabolism. Effective?

    I’d be interested in hearing others experience using oxandrolone troches instead of oral delivery (capsules) to bypass first-pass metabolism and reduce liver toxicity and lower minimum effective dose. Since oxandrolone has excellent oral bioavailability (97-98%) and is actually metabolized...
  3. R

    Sublingual T

    Hello, after 3 months on 200mg bio identical test cream, my total T went from 326 to 229. I feel bad, no energy and poor overall outlook. My doctor put me on sublingual T, 300mg split by 150mg in the morning and 150mg in the evening. I cant really find a lot of information on Sublingual T. Can...
  4. Nelson Vergel

    Testosterone Pellets, Sublingual and Buccal (Mouth)

    Testosterone Pellets (Testopel or compounded pellets) By Nelson Vergel From the book: Testosterone: A Man's Guide One other option for testosterone replacement therapy is the use pellets inserted under the skin. These are small, sterile cylinders about the size of a grain of rice that are...
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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