injection protocol

  1. M

    Switching from IM to Sub Q injections

    For those that switched from IM injections to SubQ, did you have to adjust your dosage at all to get the same effective Testosterone levels? I inject 0.18 ml of testosterone cypionate 2x per week and am at a trough blood level of 600 which is perfect for me, all other measures such as estradiol...
  2. S

    TT: 1100+ E2: 95+ on 150mg/week MWF. Sensitive/standard assay results compared.

    11 weeks in. IM VG injections. No adjuncts of any kind. TT 1141.2 ng/dl (LC/MS-MS) FT 347 (ordered the sensitive assay, labeled as MS/Dialysis? Mentions LC/MS-MS in the details, units not listed) E2 97.1 pg/ml (sensitive, details state LC/MS-MS) SHBG 25.1 nmol/L HCT 49.6% I also ordered the...
  3. S

    Looking for feedback from guys who have added Testosterone cream/gel to their injections

    Hello I've been reading that some guys have been adding test cream or gel to their test injection protocols and reporting a much improved libido. I understand the improvement in libido could possibly be from an increase in DHT levels. Can I ask those guys that have gone this route what made you...
  4. J

    Help with new EOD protocol

    Hi guys, new here from the UK after a long time lurker, I have been on TRT for around 13 months now and was on 37.5mg Test E every 3.5 days, after a lot of ups and downs I decided about a week and half ago to switch to EOD as I am low SHBG of 13nmol/L. I have noticed a massive difference in sex...
  5. 3

    HCG and Testosterone Cypionate and wife is pregnant!!!!

    Attached is my recent sperm analysis (July 1st, 2020) and my HCG & T protocol. For the past 2.5 years I’ve been taking 300 IU’s .1 2x week HCG and 80mg .4 2x week T Cyp. My testes have mild atrophy, but decent sperm load and I notice a difference the longer I go without HCG. I decided to get...
  6. B

    Dosing at the end of a vial

    Rarely (if ever?) has a vial had the correct volume for my injection. I inject .32 ml every 2 days. Today I had .4 ml left. Normally I would draw my .32 then use the rest in my next injection when I open a new vial. Today I decided I would just use the .4 ml left in one injection. What do you...
  7. Z

    Injection question

    I know there is tons of stuff on here about this, and I have posted before about this. But one thing, So I spoke with my doctor about how I got myself 27 gauge needles. He told me I should have stuck with the 25 gauge needle because even though I am doing my injection in my stomach. With a 25...
  8. A

    Drug half life calculator

    Apologies if this is posted in the wrong place but this relates directly to a lot of conversations in this section Gents, I have found a really useful tool online that allows you to graph drug half lives over time to see the cumulative effects. I have seen a lot of threads that speak to half...
  9. O

    Low SHBG high Free T Injection Protocol

    Hello, Long time reader of this forum. First time actually posting. I’ve been on TRT for 2 years due to steroidal induced hypogonadism. I’m 25. Total T was low 200’s and never came back. After two years of TRT i’ve finally come to the conclusion and realization that I have low SHBG and thus...
  10. C

    Injection Protocol

    Those of you on this forum who inject - do you inject just once a week or more frequently?
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

Back
Top