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  1. R

    High histamine = high libido

    I found that estrogen itself doesn't increase libido. It increases histamine and histamine increases libido. Anyone know why histamine increases libido?
  2. R

    How Can I Increase My Allopregnanolone ?

    We know that pregnenolone and progesterone increase allopregnanolone. Do you know any other hormones that increase allopregnanolone? Strategies to Increase Allopregnanolone for Mental Health Support Introduction: Allopregnanolone, Mood, and TRT Context Allopregnanolone is a naturally...
  3. R

    Does bioidentical progesterone lower estrogen?

    Does progesterone lower estrogen?
  4. R

    Pregnenolone nightmare

    http://www.longecity.org/forum/topic/73398-oral-pregnenolone-and-dhea-nightmare/ Is this guy a troll? Or it can happen while on pregnenolone? It scares me.
  5. R

    Pregnenolone capsule

    Hey guys, I have life extension 50 mg capsule form. I need to take 10 mg so I opened the capsule and split it and took it. Is it okay?
  6. R

    Does pregnenolone shutdown my own pregnenolone production?

    Does pregnenolone shutdown my own pregnenolone production? People say it is a supplement. Isn't it a hormone?
  7. R

    Will steroid induced hair loss grow back?

    Will steroid induced hair loss grow back?
  8. R

    Does high histamine raise testosterone?

    Hey, Is this true?
  9. R

    Pregnenolone only

    If I use Pregnenolone only for the rest of my life, which hormones should I look regularly? My second question is PREG increases testosterone if I'm not on TRT?
  10. R

    Natural Pregnenolone production

    Hey guys, Pregnenolone pills destroy my own pregnenolone production?
  11. R

    Probiotics and libido

    This is interesting to me but I take probiotics for a while and it definitely increased my libido. Anyone know why?
  12. R

    GABA-A receptor

    How can I find hormones that increase GABA-A receptor? I have social anxiety and it is so hard. My progesterone is OK. My testosterone is OK. My DHEA-S is OK. I used hCG. Like you know it increases Pregnenolone. So my pregnenolone is probably OK too. But my estradiol is 45. I'm not fat...
  13. R

    Hair loss and high DHT

    I lost a lot of hair because of high DHT. my DHT level is fine now. how can i regrowth my hair? i have male pattern baldness now and i dont want it.
  14. R

    Question about Estrogen crash

    I once crashed my estrogen and my bones, knees was in pain for 1.5 months! I could even feel my skull is weak. I was scared. I had ED too. It took 1.5 months to feel same as before. My question is, since I am not in USA, I can't test my sensitive estrogen. I feel my bones, knees, skull are...
  15. R

    What doctors do if your estradiol is high naturally?

    Let's say you're not on TRT and you estradiol level is high a little and the doctor can't find the main problem. What doctors do in this case?
  16. R

    Does DIM really works to lower estrogen?

    Some people say yes, some people say no. which one is correct?
  17. R

    Testosterone amd panic attack

    I once took testosterone and had panic attacks. My T is 350 ng dl and I have panic attacks. E2 is fine. Some of guys on TRT says TRT causes panic attacks. I know my panic attacks due to testosterone. but why?
  18. R

    How to increase cortisol?

    I have adrenal fatigue. I have panic attacks at night. My doctor told to me I have panic attack at night because my cortisol is low at night. I think he is right because cortisol = water retention. and I noticed I lose water when i had panic attack. btw, I have always water retention and my...
  19. R

    Question about Adrenal Fatigue

    Hi all! I think i have adrenal fatigue. I wont ask what adrenal fatigue is. I just want to ask a question. I have mood swings. I feel same emotions every period of each day. 3 pm - 6 pm : I feel ok 6 pm - 8 pm : I feel so good 8 pm - 12 pm : I feel like sh.t Why is that? is it because...
  20. R

    GABA activity and steroid hormones

    Hi all! I want to ask you guys because doctors dont know about hormones. There is something wrong with my hormones because I have high E2(not too high) and social anxiety. and I know that my social anxiety caused by low GABA activity. I have hormonal imbalance but I dont know which steroid...
  21. R

    Best way to lower Cortisol

    what is the best way to lower cortisol?
  22. R

    Ingrown toenail, nasal congestion and female hormones

    Hi. I have ingrown toenail and nasal congestion and my estrogen is high(not too high). i just learned pregnant woman can have this issues. and I'm emotional. I don't think this issues are caused by estrogen only. which hormones can cause this problems? progesterone? why pregnant women and I...
  23. R

    Pregnenolone

    hi, I'm not on TRT and I bought Pregnenolone 50 mg. I want to use it for my social anxiety but I'm scared. is pregnenolone safe? can it kill me? lol.
  24. R

    Adrenal fatigue and high libido

    Normally my libido is low-normal. I have adrenal fatigue right now and my libido is came back. Anybody know? Cortisol?
  25. R

    Does DHEA increase Pregnenolone?

    I know that pregnenolone increases DHEA. DHEA increases pregnenolone?
  26. R

    DHEA-S/Pregnenolone vs hCG

    Does hCG increase DHEA-S and Pregnenolone?
  27. R

    Symptoms of low DHEA-S in men?

    I can't find this on the internet. Do you know the symptoms of low DHEA-S levels in men?
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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