ibutamoren

  1. 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!
  2. 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...
  3. T

    Enclomiphene Lab Results

    I've been on Enclomiphene (12.5 mg daily) and Ibutamoren (12.5 mg daily) since late August 27th. I was on Testosterone/HCG from December 2019 until June 2020, when I tried a cold turkey restart. My numbers from November 2019 (prior to starting anything): Total T - 334 ng/dL Free T - 12 pg/mL...
  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...
  5. J

    Ibutamoren (MK - 667)

    Hi - Is there any added benefit to buying "Pharmaceutical" grade Ibutamoren from Defy/APS Pharmacy vs. a "reputable" online peptide company?
  6. Nelson Vergel

    Video: Growth Hormone Releasing Hormones and Peptides: Research History

    Nelson Vergel, the founder of ExcelMale.com, ClinicOptimizers.com and DiscountedLabs.com, interviews Dr. Richard Walker about the history of research on GHRH and GHRPs. Richard F. Walker, Ph.D., R.Ph is well known for having popularized Sermorelin, a growth hormone-releasing hormone. He...
  7. Nelson Vergel

    Growth Hormone Releasing Hormones and Peptides: Research History

    Nelson Vergel, the founder of ExcelMale.com, ClinicOptimizers.com and DiscountedLabs.com, interviews Dr. Richard Walker about the history of research on GHRH and GHRPs. Richard F. Walker, Ph.D., R.Ph is well known for having popularized Sermorelin, a growth hormone-releasing hormone. He...
  8. Nelson Vergel

    IGF-1 Roles and Benefits

    By David Skutt IGF-1, What is it? IGF-1 is a hormone produced in our body that is structurally very similar to insulin. It has an important role in growth during childhood and in adulthood, continues to have anabolic effects. IGF-1 is the main mediator of the effects of growth hormone, which...
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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