intramuscular

  1. B

    Let's Settle This: Subcutaneous vs. Intramuscular Testosterone Injections

    Hello Everyone, For the past three months, l've been doing subcutaneous testosterone cypionate injections every two days as recommended by my urologist to minimize side effects. However, I've been dealing with some acne on my back and face. Today, I had a consultation with one of the top...
  2. S

    Dr. Crisler, SQ, and studies?

    I was watching one of the late Dr. Crisler’s videos….i believe he mentioned there or in a blog that SQ injections end up raising T levels about 20% higher than same dose on IM i.e. 80mg total weekly SQ would get results like 100mg total weekly IM please someone correct me, as i think im not...
  3. bennettjc

    New Study - SubQ Alledgedly Leads To Lower HCT/E2/PSA Than IM Just Published

    This data was first discussed here a year or so ago when it was released as a poster. It was now just published in a major urology journal. Bascially it suggested that 75 or 100mg of "Xyosted" (SubQ enanthate) each week leads to lower HCT/E2/PSA than does 100mg of IM cypionate. This is a poor...
  4. Charliebizz

    Daily Intramuscular injections.

    Hey guys I'm currently on m-w-f injections. Ive actually started to feel way better on shot days on Im vs sub q. However through years of testing my t levels drop off quite a bit 24 hrs post injection. I respond very well to lower doses. 90mg a week has my ft slightly over range. And TT around...
  5. Fernando Almaguer

    Pin cushion effect?

    Hello TRT Team, Pinning ED or EOD: What do you guys think are the consequences if any to pinning our muscles so much even with an insulin needle 1 1/2 inch or 1/2 inch. small gauge as well? Can we rotate even going to the calf muscles so as to negate some of the scar tissue accumulation?
  6. S

    Feeling much worse with IM?

    I switched 2 days ago to IM injections to see how I feel on them, and if it makes any difference for me. I've felt progressively more fatigued and out of it, to the point of being barely functional and totally unmotivated today. Already took a couple of naps. I'm not entirely convinced this is...
  7. M

    Is a one inch needle too much?

    I just started my therpy last week and I am aiming to do IM injections on my M,W,F schedule. I have been using a 25 gauge 5/8" needle to draw and inject into my quads. I have read about a lot of people using the easy touch insulin syringes/needles to inject. I figured either of these would hit...
  8. maxadvance

    Best testosterone injection site, no aspiration needed, avoids all nerves

    So I ran across the term "Ventrogluteal IM injection site" and found an article describing it as what is currently the most medically recommended injection site. I tried it a few times now and have to agree. No blood gushing pinholes, no veins, no nerves, minimal pain. IN: The Ventrogluteal IM...
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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