Can 200mg Test C permanently damage testosterone levels?

Asdf

New Member
Hello,

I was wondering if a light cycle for 12 weeks of 200mg Testosterone Cypionate and 1000 iu HCG weekly (normal TRT protocol) is enough to permanently decrease testosterone levels?

Are these reports of permanently decreasing testosterone levels due to people taking higher doses or stronger steroids?

This is my first cycle and I like TRT but I’m concerned about long term effects because I’m only 28…
 
I was wondering if a light cycle for 12 weeks of 200mg Testosterone Cypionate and 1000 iu HCG weekly (normal TRT protocol) is enough to permanently decrease testosterone levels?

A single cycle is most likely not going to permanently damage your natural T production.

That's doesn't mean there haven't been guys who get steroid induced secondary hypogonadism after only one cycle.

A few number of guys never returned to baseline sperm count and quality.

If your natural T is healthy, I would focus on nutrition and getting a physical trainer.
 

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HCG Mixing Protocol Calculator

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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