Yes there are restrictions. Injections that are not auto injectors you need Yakkan Shoumei for the syringes.Re: Japan, I just spent a few days there and they checked my luggage at customs. They only cared about narcotics, benzos etc. There was no issue whatsoever with injection supplies, T cyp or HCG. This was consistent with the published information I found regarding Japanese regulations for meds for travelers. Their "controlled" and "illegal" drug lists do not include TRT meds and state injection supplies for a month are allowed.
Ministry of Health, Labour and Welfare: Information for those who are bringing medicines for personal use into Japan
Predict estradiol, DHT, and free testosterone levels based on total testosterone
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.
Enter your total testosterone value to see predictions
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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.
Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.
The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.
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