Backfilling Insulin Syringe Question...

jth0524

Member
Backfilling Insulin Syringe Question...
For those of you that are backfilling syringes and injecting testosterone daily, how do you store the syringes after backfilling them? Is it ok to lay them down flat? Is there a concern of the oil leaking out? Any other tips about how to backfill would be great. Thanks for your help.
 
I dont backfill daily but if i travel overnight these are convenient/cheap on amazon. They prevent accidental discharge.

(Medicool Wright Pre-Filled Syringe Case)
 
A traveling toothbrush case works very well also. Can also stash a couple prep pads with the syringe as well. Not sure what backfilling has to do with leaking though...
 
I also use a medicool syringe case when I travel. I don't actually use the cooling gels for T but if I travel with HCG or trimix then I do try to keep it cool. However don't obsess over it. I've had prefilled syringes of both of these for a week in non-refrigerated conditions while I travel and they were fine. The vial stays refrigerated back at home but I don't go crazy worrying about refrigeration for the prefills for a few days or a week if I'm in a location where refrigeration is not available.

https://www.amazon.com/Diabetic-Org...=medicool+travel+case&tag=isparklbeyourbes-20
 

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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.

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Normal range: 300-1000 ng/dL

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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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