subcutaneous injections

  1. Nelson Vergel

    Pharmacokinetic Profile of Subcutaneous Testosterone

    The study used 50 mg vs 100 mg testosterone enanthate per week subcutaneously with a 27 gauge 5/8" needle. They also compared both to Pk of one IM shot of 200 mg. Sex Med. 2015 Sep 17;3(4):269-79. doi: 10.1002/sm2.80. eCollection 2015 Dec. Pharmacokinetic Profile of Subcutaneous Testosterone...
  2. Nelson Vergel

    Antares Pharma Reports on Their Study Using Testosterone Subcutaneous Injections

    EWING, N.J., Jul 22, 2014 (BUSINESS WIRE) -- Antares Pharma, Inc. today announced that the first patient has been dosed in a double-blind, multiple-dose, phase 3 study to evaluate the efficacy and safety of QuickShot® Testosterone (QS T) administered subcutaneously once each week to...
  3. P

    Subcutanous shots in back of upper arm

    Hello, This is not really testosterone related, but maybe it will be helpful for folks administering subcutaneous shots. I receive allergy shots a couple times a month, and they always administer subcutaneously with an insulin syringe, in the upper arm at the tricep. Immediately after the...
  4. E

    SC injections testosterone enanthate in castor oil

    Today was my 4th experiance with sc injection of TRT. In general I feel great after long time of stragling with Androgel and testomax (both gels) and IM Nebido 1000mg/4ml. I am using now Testoviron Depot (Bayer) which is testosterone enanthate 250 mg/ml in castor oil & benzyl benzoate. Up...
  5. Gene Devine

    Subcutaneous Administration of Testosterone

    Here's the only study I found that supports the use of subcutaneous injections of Testosterone. Subcutaneous administration of testosterone. A pilot study report. - PubMed - NCBI Subcutaneous administration of testosterone. A pilot study report. Abstract OBJECTIVE: To investigate the...
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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