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  1. Systemlord

    Please tell me how vitamin D supplementation has caused calcium deficiency, let's discuss.

    I just had a thought, what if overdosing on vitamin D initially after starting carnivore red meat = lot of iron (Ironman) led to excessive iron absorption and with calcium competing with iron, forced calcium of through the kidneys further exacerbating iron absorption and vitamin D compounding...
  2. Systemlord

    Please tell me how vitamin D supplementation has caused calcium deficiency, let's discuss.

    I just ate 6 eggs and eyes burn, skin burns. Skin can turn red. Feel groggy and sleepy. I feel high. Sometimes taking calcium helps, but only one or twice then no affect. Sometimes taking vitamin K helps, then no affect after that. I had the same problems with diabetes drugs, a one time...
  3. Systemlord

    Please tell me how vitamin D supplementation has caused calcium deficiency, let's discuss.

    I figured it out. I had been on 2000 units vitamin D for a year before starting carnivore, no issues, 24 level. A week after starting carnivore I gradually started having these issues. I simply became more sensitive to vitamin D and vitamin C due to normal glucose. I tried mag, made the problem...
  4. Systemlord

    Diminished sexual function after starting TRT

    I've been on TRT on and off for 10 years, on the longest for solid 6 years, came off and HPTA rebooted very quickly, within 4.5 weeks after stopping injections and 7 days on short acting oral testosterone. Permanent atrophy is unlikely.
  5. Systemlord

    Diminished sexual function after starting TRT

    AI's can't affect estrogen produced within the testicles, Ai's only affect E2 outside the testicle environment. Some men have struggled to lower estrogen while on hCG.
  6. Systemlord

    Diminished sexual function after starting TRT

    Hard to tell if your T levels are actually on a steady decline over this period of time. Many things contribute to T production, diet, sleep and even overtraining which will effect T negatively. Your hormones are constantly changing day to day, you'll never repeat the same test twice, because...
  7. Systemlord

    Diminished sexual function after starting TRT

    The cause is hCG, which is common to see sexual function degrade in some men. The LH receptors weren't meant to be stimulated in a near constant state, LH receptors are meant for pulsatile stimulation. The half-life of LH is 20 minutes, the half-life of hCG is 24-36 hours. Big difference! Some...
  8. Systemlord

    Maximum hematocrit recommended with positive calcium score

    If you want to significantly lower or desire zero CAC scores, look no further than the carnivore diet. If you're worried about cholesterol, get this out of you're head! Sugar damages the endothelial walls of the arteries and LDL gets stuck to the arteries. Sugar attaches to proteins and lipids...
  9. Systemlord

    Carnivore Diet

    Thousands on carnivore report: No bloating No IBS Better gut health A byproduct of fiber is butyrate, which is essential for the suppression of colorectal cancer. On carnivore diet you can get beta hydroxybutyrate from ketones, ketone bodies in the colon, small and large intestine and through...
  10. Systemlord

    Please tell me how vitamin D supplementation has caused calcium deficiency, let's discuss.

    I have developed calcium deficiency supplementing vitamin D, the higher the dose, the worse the deficiency. I'm trying to figure out how to solve this without having to supplement calcium which is a big no no! Without calcium supplement, vitamin D causes excess urination which leads to...
  11. Systemlord

    Bloodwork Results - Thinking About Starting TRT

    I had been on TRT for almost 8 years on and off, came off twice and recovered fertility quickly and I'm 24 years older than you. If you take too much zinc, this could act as a aromatase inhibitor and decrease estrogen. You would have to be hyper sensitive to zinc for this to happen. I don't...
  12. Systemlord

    Bloodwork Results - Thinking About Starting TRT

    The normal ranges have nothing to do with quality of life. Each case is unique, not everyone fits into the same box. Typically people with diseases will be at the bottom 25 percentile, excluding outliers. You should probably sit this one out and start taking notes...
  13. Systemlord

    How long does testosterone drop after stopping

    Once every two weeks isn't recommended, suggest you ditch the clueless doctor. This protocol will create large swings in hormones and you'll lack a consistent hormone profile. Also these protocols tend to increase risks of high RBC and hematocrit further complicating treatment. 200 mg every two...
  14. Systemlord

    TRT Peaks and troughs or steady levels. Which is correct?

    I only responded to oral testosterone. Turns out I didn’t need it. My original health problem was T2 diabetes, which caused iron and vitamin D deficiency. The treatment was TRT! I don’t know how TRT is supposed to correct iron and vitamin D deficiency. If anything, TRT is going make the iron...
  15. Systemlord

    Normal Total T/ lower end free T

    What’s your diet, height and weight? Do you exercise on a regular basis? Do you get 8 hours of restful sleep every night?
  16. Systemlord

    Good Total T with Low Free T.

    If you’re serious about trying to fix your hormonal issues without TRT, which I do recommend, I think you might try the carnivore diet. I started two weeks ago and I’ve already lost 7 pounds while changing nothing other than what I eat. I sit for 40 hours a week on my full-time job and work...
  17. Systemlord

    Brain health with trt, missed sleep

    I find that when my ferritin levels are low I don’t sleep well and considering TRT lowers ferritin….
  18. Systemlord

    Good Total T with Low Free T.

    You’re severely estrogen dominant. If your C-reactive protein marker is elevated and you use the standard non-sensitive estrogen test it’s going to show a false high value. What’s your height and body weight? Any supplementation, vitamins, minerals, medications or hair loss drugs?
  19. Systemlord

    The holy Grail of nutritional research regarding red meat consumption and lack of evidence of harm.

    I’ll just eat more steak and keep my body in a state of ketosis. So far the mental benefits are amazing. I put my T2 diabetes in remission in one week without TRT. My glucose levels are static, pre and post meals.
  20. Systemlord

    Tight or knotted muscles from TRT?

    TRT can cause you to burn through vitamins and minerals, better do a complete vitamin and mineral panel. Your problem could also be an inappropriate injection frequency.
  21. Systemlord

    The holy Grail of nutritional research regarding red meat consumption and lack of evidence of harm.

    Results: The HP group improved their reaction time significantly compared with the UP group. Branched chain amino acids and phenylalanine in plasma were significantly increased following the HP diet, which may explain the improved reaction time. Conclusion: Healthy young males fed a HP diet...
  22. Systemlord

    The holy Grail of nutritional research regarding red meat consumption and lack of evidence of harm.

    The two largest-ever NIH-funded, multi-center clinical trials (the Women’s Health Initiative and the Minnesota Coronary Survey) where saturated fats were either reduced or replaced by unsaturated fats, on nearly 54,000 men and women, concluded that saturated fats had no effect on cardiovascular...
  23. Systemlord

    Wild ride! Went from 120mg > 100mg > 80mg > 90mg. T is higher at 90mg 3x a week than 100mg 2x a week

    The holy Grail of nutrition research -> Scientific Evidence on Red Meat and Health - Pastebin.com
  24. Systemlord

    Wild ride! Went from 120mg > 100mg > 80mg > 90mg. T is higher at 90mg 3x a week than 100mg 2x a week

    The two largest-ever NIH-funded, multi-center clinical trials (the Women’s Health Initiative and the Minnesota Coronary Survey) where saturated fats were either reduced or replaced by unsaturated fats, on nearly 54,000 men and women, concluded that saturated fats had no effect on cardiovascular...
  25. Systemlord

    Thinking about TRT and could use some guidance

    The fin is lowering your DHT, which is responsible for libido and well-being. The fin is cutting it down. Never take a drug your doctor prescribes without doing your own research! The drug makers of Fin lied to everyone, including the doctors.
  26. Systemlord

    New to TRT. Received first labs. Concerned and need help.

    Testosterone typically lowers blood pressure and cortisol the stress hormone.
  27. Systemlord

    Advice and next steps. 38 years old with 305 total t

    Testosterone deficiency isn’t defined by Total T. I was at Total T 438 and Free T was deficient. Total T is a function of SHGB, the higher, the SHBG the higher the Total T. You don’t have to be below range on the Free T to experience symptoms of low testosterone. After you start TRT and...
  28. Systemlord

    My Experience On Jatenzo (Oral TRT) Log

    I just got my iron panel back. Before I post them I’m going report. I’ve never felt better. You’re going to cringe at the results. Ferritin 7, iron 27, iron saturation 6%, total iron binding capacity 426, hemoglobin 12.9 and hematocrit 40.1. Vitamin C has been deficient the last 7 to 8 months...
  29. Systemlord

    Recently started TRT in MA, would love some help understanding first labs

    You’re still in the TRT honeymoon phase, the libido should drop down somewhere closer to normal in due time.
  30. Systemlord

    New to TRT. Received first labs. Concerned and need help.

    What other symptoms? The majority of members included in a pole/thread I created felt better with higher than normal testosterone, 68% to be exact. If your SHBG is low, there’s nothing you can do about it on TRT. SHBG, regardless of the level shouldn’t be your main focus for your symptoms.
  31. Systemlord

    Possible high estrogen symptoms from my injection.

    I am four weeks into my Jatenzo restart, I felt really good the first week, like crap on and off the second and third and started feeling better the fourth. I reached a steady state within the first seven days, but my body is still adapting even now. You’re three weeks in and a long way away...
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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