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    Yes, a man in his 80s can still have good muscle mass

    One of the main substances that a carnivore diet provides is protein in a balanced, complete form. Many seniors do not get enough protein on a daily, per meal basis. I think the current thinking is that 80-90 grams per day, divided by number of meals or snacks, is necessary to provide fuel for...
  2. T

    Best Sleep Supplements

    I am 78 years old and in good health, a regular gym rat, slim and trim, still working full time as a dentist. My sleep issues started soon after 60 with difficulty going back to sleep after arising in the wee hours to pee. Over the years I've tried various herbal and melatonin combinations...
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    Eroxon Gel: FDA OKs Over-the-Counter Erection Gel

    I am an active, in shape, still working full time, 77-year old residing in Florida. I googled, ordered, and received a week later, four single use tubes of this product for about $20 per tube. Followed directions. NO results whatsoever. Anyone else have better luck? Sticking with my Cialis...
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    To anyone taking Cialis daily — did you develop a dependence on it?

    I did recently have my doc prescribe Viagra 100 mg so I could compare the effects with Cialis. I was gun shy taking that big of a dose to start, so I tried a third of tab. Even at that dosage I was noticing the flushed face stronger and faster than Cialis, perhaps due to taking on an empty...
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    To anyone taking Cialis daily — did you develop a dependence on it?

    Regarding Cialis tolerance and effects. I am 75. I started taking it 8 years ago when I suddenly became single and wanted certainty in my performance. I also started T pellets about the same time after blood test showed moderately low T. I was and still am fairly fit and trim and now...
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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