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Rookie question. Went to learn how to self inject at my Endo's office today. When the nurse opened the box containing my vial, she popped off a blue cap that covers the membrane and threw it away. She stated that it is not necessary to keep it on the vial for storage. Is this true? I figured it was some sort of safety cap for a new vial.

[QUOTE="Jacklg250, post: 48777, member: 13893"] Rookie question. Went to learn how to self inject at my Endo's office today. When the nurse opened the box containing my vial, she popped off a blue cap that covers the membrane and threw it away. She stated that it is not necessary to keep it on the vial for storage. Is this true? I figured it was some sort of safety cap for a new vial. [/QUOTE]

Verification

TRT Hormone Predictor Widget

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