needles for b12 im injection Methylcobalamin 10,000mcg injectable, 10mL (lyophilized) Which needle should I use

Which needle should I use for each injection. Insulin syringe: Most peptides are except Cerebrolysin NAD Can use for testosterone or can be intramuscular (buttock) Intramuscular (larger needle) B12 Testosterone Glutathione Carnitine B12 vitamin Store Needle and Syringe Information for injecting vitamin B12 and vitamin C. Find out what needle sizes are recommended. How to Give Yourself a B12 Injection ThinWorks B12 vitamin Store A Retired RN About Vitamin B12 Injections

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