Fixed Needle Syringe Recommendation

Best place for Syringes?





1ml or better yet .5ml insulin syringe 27-29 gauge 1/2 inch needle are your best bet.

If you find 29 gauge troublesome than use 27.

I used to use the BD U-100 insulin syringe 1 ml 28 gauge 1/2 inch needle but ended up switching to the .5ml same syringe.....never looked back!
 
Best place for Syringes?





1ml or better yet .5ml insulin syringe 27-29 gauge 1/2 inch needle are your best bet.

If you find 29 gauge troublesome than use 27.

I used to use the BD U-100 insulin syringe 1 ml 28 gauge 1/2 inch needle but ended up switching to the .5ml same syringe.....never looked back!
I like the sound of those.

I’m pretty lean but still insert about 75% of my 1 inch 25 gauge needle every time I do IM delt injections.

I’m wondering if 1/2 inch may be better for IM delts
 

hCG Mixing Calculator

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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