vitamins

  1. Fernando Almaguer

    NUTRITION MARKERS TO TARGET ON TRT AND WHILE AGING.

    https://lpi.oregonstate.edu/sites/lpi.oregonstate.edu/files/2025-05/top_10_public_brochure.pdf Essential Micronutrients for Healthy Aging This briefing document summarizes key information from "top_nutrients for aging well.pdf," focusing on the importance of vitamins and minerals...
  2. J

    I guess after being off trt for years ive rebounded

    So i was on trt from late 2005-2014ish… forgot when i just stopped… got tired of it… phlebotomies and chasing blood work… maybe my liver is actually converting cholesterol for once? Since its been high since 2005ish… 177 ldl and a total of 246 or higher… tried a statin one time within a few...
  3. over60andusingtrt

    Best Vitamins and Supplements after 60

    Gents, what do you recommend for a fit, 61 year old guy on TRT for a daily vitamin/supplement regime? I'm currently taking so much stuff, it's getting tiresome keeping up and I sometimes wonder if I'm doing more harm than good. Here is my daily intake minus the quantities. OMEGA 3 OIL VIT...
  4. A

    Vitamin D, and supplements.

    Recently I have been evaluating and researching the many supplements I take on a daily basis due to insomnia and becoming fully awake at 3:00 am. Currently I am only taking vitamin D3 125 mcg twice daily and sleeping much better. Next week I am going to have elective surgery and read this...
  5. N

    What are the best vitamin/supplements for Liver health?

    My liver enzymes are always a little high, not super high, but always 30-40% over normal range for the last 20+ years. Occasionally they have gone down to WNL when I lost weight (I am up and down with my weight). Therefore I know some of this is due to me being overweight now (about 40lbs), so...
  6. R

    Magnesium zinc and trt

    So I’ve heard it’s healthy to supplement with a daily magnesium and zinc supplement because it’s hard to get these minerals in foods nowadays . I’m curious if magnesium or zinc supplementation affects the testosterone half life, efficiency, or effects it in a positive or negative manner ...
  7. Nelson Vergel

    Vitamins Improve Sperm Quality

    Arch Ital Urol Androl. 2014 Mar 28;86(1):1-4. doi: 10.4081/aiua.2014.1.1. Antioxidant co-supplementation therapy with vitamin C, vitamin E, and coenzyme Q10 in patients with oligoasthenozoospermia. Kobori Y1, Ota S, Sato R, Yagi H, Soh S, Arai G, Okada H. Abstract OBJECTIVE: Overproduction...
  8. S

    Custom vitamin formulations based on blood/saliva labs

    Does anyone have experience with a company that formulates custom vitamin/mineral formulas based on your blood and saliva labs? I've heard of these but cannot find much on them. The concept seems to make sense.
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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