Mixing Test U and Test P, Spain travel issue

Luismadrid

New Member
Hi all

new member here, I'm now on 200mg test prop a week, self medicated (it is available otc here, in China) but planning to move to Spain late June. I wil bring some test P and Test U along, but there is a risk the customs confiscate it, and I'm planning to start taking Test U before moving to Spain, so I don't get low T if this happens, until I get better settled there and either look for doctor prescribed TRT or order it from a EU based vendor. If there is no problem with the customs I wouldn't mind adding some Test P to the test U dose , 175mg/week test P had my total test @900, trying to get it around 1000
Do you have any advice on how to deal with the combined dosage, and when to start the test U ? I have 10 vials of 250mg/2ml on hand, haven't injected anything IM in decades so a bit wary to pin too many mls in one go...

Thanks in advance for all advice
 

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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.

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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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