mk677

  1. P

    Mk677

    What's a reputable company I can buy some?
  2. L

    Quality Brands | Ibutamoren MK-677

    Those that have tried MK677 - what are some quality brands that have a good reputation? I tried Supreme Labs in the past, and want to try a different brand (capsules in the US). Peptide Sciences ? Paradigm Peptides ? 99Purity ? Spectre Labs ? Others ? Thanks!
  3. L

    MK-677 and my IGF-1 Levels

    Recently, I started working out and lifting more. I read about MK677 Ibutamoren, and wanted to try it to increase my HGH and IGF-1, so I ordered some from Supreme Labs USA. I hadn't tested my IGF-1 levels in a few years, and I wanted to know my baseline before taking it. Got tested on 4/18/22...
  4. B

    I will begin Ibutamoren and Nandrolone

    I will be starting nandrolone and ibutamoren. Both were prescribed to help me build muscle because no matter how perfect my training, sleep, and macros are I just cannot build muscle to save my life. Just a quick background...I have been training for about 8 years maybe 9. The first 3 years my...
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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