like, swipe, and save for when it's your turn to do an injection on a patient Intramuscular (IM) Angle: 90 Needle Size: 2225G, 11.5 inch Med Examples: Vaccines (e.g. Tdap, Purchase Needles (PrecisionGlide) 1 inch or 1 2inch at BiosenseClinic Self injecting vitamin B12. Quick and painless jabs after a B12 by Dr Caroline Palmer Medium Does size matter? Historically, a bigger needle gauge was considered better to prevent damage to red blood cells. However, our recent guidelines recommend using smaller gauge needles (2325 G) for all Vitamin B12 10 Week Injection Cycle Kit: Syringes & Needles & Alcohol Wipes only 5.22 What Syringe Size to Use for B12 TikTok