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  1. Pringle

    What is the Lowest Dose Protocol That You Find Works Long Term?

    So much of the challenge is the sheer time and process it takes to figure out what works for each of us. Every protocol change is a 6-8 week window for results and adjustment. I wish I would have started lower dose T and worked my way up vs now titrating down to manage sides. Live and learn.....
  2. Pringle

    Epiglottal Obstructive Sleep Apnea

    Thanks for sharing. I have sleep apnea and struggle even with CPAP. Will look into with my doc.
  3. Pringle

    average weekly T dosage on this forum

    48mg E3.5D. Last labs 878 total T at trough....Free T 29.26.
  4. Pringle

    Shortage of Injectable Testosterone C Reported

    I just got my script filled and had to get 100mg/ml due to this shortage. Pharmacist gave me the direction to double the amount of each shot, but inconvenient none the less to have to shoot more volume with the small needles most of us use.
  5. Pringle

    Search Function

    Any updates when the search function will be fixed?
  6. Pringle

    High Hematocrit - Off TRT

    My BP will creep up slightly as HCT rises, but my HGB/red blood cell markers rise over high lab values as well. I am with Defy and the Doc’s position is phlebotomy when I reach a certain level regardless of symptoms. With coronary disease rampant in my family, I won’t risk letting these values...
  7. Pringle

    High Hematocrit - Off TRT

    Higher HCT has also been the price of admission for me. Regardless of injection frequency, changing doses, days, etc. I have a phlebotomy every 3-4 months and HCT always climbs up into the 54-55 range by that time. after phlebotomy it will be around 50-51, then cycle starts over! This always...
  8. Pringle

    Best ED medication with moderate alcohol consumption

    I know we all react differently, but I take 5mg cialis 2x day and drink occasionally. I have never had any noticeable BP issues. Had 4 beers just last night.
  9. Pringle

    HCG and BP spike?

    I am only on 250iu e3d. I have no atrophy at this dose. I skipped my dose today and will take your advice VC. I had bad atrophy prior to using HCG so I will probably dial my dose down even more, like you, after I evaluate BP a few weeks without it.
  10. Pringle

    HCG and BP spike?

    I have been having some issues with elevated BP over last 6 months and started checking it 3 times a day and logging results, as the doc tweaks my meds. During this process I have learned that the 24-36 hours following my HCG injections my BP is 15-18 points higher on average than other days...
  11. Pringle

    Hcg accidentally left room temp for 24 hours

    I have done this before and had no issues, as far as I could tell with the remaining product.
  12. Pringle

    What Is Best Time of Day for Daily Cialis?

    Buy Megalis Online | ReliableRxPharmacy I use these and split 5mg am and 5mg pm. I like these as they are perfectly round and split easy. One pill a day. I found them To have same effect as Ceebis and Tadalis that I have used before. No difference.
  13. Pringle

    How long/much did it take for your testicles to shrink on TRT ?

    I went on pellet therapy several years ago....big mistake but another story. It took me about 60 days to get to the point of painful Atrophy and balls about 1/2 size of normal. I switched to TCyp for a few months prior to adding HCG and the shrinkage accelerated quickly. It took a few weeks...
  14. Pringle

    After one week on Tadalafil

    I use a green dot loadable visa for purchases through reliablerx.....no issues processing and I just load the amount of purchase. No risk.
  15. Pringle

    Breast pain started from HCG. Question?

    No, pretty much the same....my volume and viscosity is less/thinner than Pre-T. My volume is higher with HCG added compared to when I was dosing just T alone.
  16. Pringle

    Breast pain started from HCG. Question?

    If I was one of the guys that did not have painful atrophy, with T alone, I probably would not take it. I see no other benefits in taking it except it corrects my atrophy and keeps “my boys” cosmetically the same as pre T. While that is not important to some, it is important to me. I see...
  17. Pringle

    Breast pain started from HCG. Question?

    I started HCG about 6 months into my switch from pellets to injections. I started at 500iu 2x week. It did solve the atrophy issues, but caused my E2 to spike with some of the symptoms you mention. Over the past couple of years I have tried various HCG dosages in pursuit to find the minimum...
  18. Pringle

    After one week on Tadalafil

    I use both pregnenelone and Tadalafil and am about a month into starting the Tadalafil as well. I am somewhat sensitive to pregnenelone and had some of the same symptoms you speak of when I was taking a larger dose. I now only take 10mg a day in sublingual delivery and tolerate it much better...
  19. Pringle

    how long does cialis back pain last?

    I started Megalis (tadalafil) about three weeks ago. I started at 2.5mg EOD for first week, went to 2.5mg daily week 2 and now do 2.5mg twice a day in a modified version of Gene’s stack. I think the slow build may have helped some with the back issues, but the nasal congestion and heartburn...
  20. Pringle

    Daily Baby Aspirin?

    I take a baby aspirin daily at the request of my cardiologist. I have been in the regimen 3 years. I have some minor artery calcification and was diagnosed with hemochromatosis so he felt I should add. No sides really to report....
  21. Pringle

    Sleep apnea/insomnia on TRT can time fix it? advice needed

    I travel 45 out of 52 weeks annually with my job worldwide. I carry my CPAP, multiple prescription drugs including syringes and testosterone. I have never had any issues or been detained in anyway questioning my prescriptions. I carry a letter from my Dr as backup for all just as a safety net...
  22. Pringle

    Lowering E2 and HCT - Reduce dose or increase frequency?

    I too am a defy patient and side with the doc on this one. I have HBP, a coronary calcium score That shows some early stages of build up, and atherosclerosis is Hereditary in the family. Markers that I am not willing to add additional risk with such little research available.
  23. Pringle

    Lowering E2 and HCT - Reduce dose or increase frequency?

    Agree with this^.....I hoped to lower both with the higher injection frequency. I was able to lower E2, but my HCT still behaved the same way and I had to continue frequent phlebotomy regardless of weekly, E3.5D, or my daily shot protocols. I have been on trt about 2.5 years now and my HCT has...
  24. Pringle

    L Norvaline

    Just posting as I have used L-Norvaline in my preworkout stack for quite some time. Not sure at the small doses I have taken this is relevant....but something to consider before, or to continue taking. What is L-Norvaline?
  25. Pringle

    SHBG Keeps Dropping

    When I started trt my SHBG was 51 on a range of 19.3-76.4. My trough T has settled around 850-900 with a free T of 28-33. One peculiar thing is while my T has stabilized at a consistent place, SHBG keeps dropping. My last 3 labs were 37, 32, now 28. While trough total T was 876, 842, 883...
  26. Pringle

    Does Sleep Apnea Cause Elevated Hematocrit?

    I have severe sleep apnea and I would say my results are inconclusive at this point. My first bloodwork showed a drop in HCT after a month of using my CPAP. My second bloodwork 8 weeks later HCT was elevated significantly (53.6) and I had to complete a phlebotomy. I am a few weeks away from...
  27. Pringle

    Severe Testicular Atrophy and Want to Try HCG

    I use Defy for HCG and Anastrozole only......as well as their expertise. Worth every penny. I get my T from my hematologist as it is covered by my insurance. I did not cover my HCG usage with My hematologist and he runs bloods on me every 6-8 weeks. Has never came up in my visits with him.
  28. Pringle

    Arimidex discontinuation update

    This topic always ends up here. Some with the belief that you can quit AI’s and your body will stabilize and adjust with no ill effects regardless of E2 levels and others, like me who who are extremely E2 sensitive and tried Low T dosages and no AI, over a considerable amount of time, and were...
  29. Pringle

    Arimidex discontinuation update

    32.1 on my last labs.
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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