should b12 injections be given im or subq injection injection site for b12 Instruction Guide for Intramuscular (IM) Self- injection of B12 Methylcobalamin 1mg/5mg What Happens If You Inject

(III) the need to adequately warn of health and safety hazards associated with products

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It is also beneficial for dairy animals by improving productivity and maintaining consistent performance levels

When I did my weekly jab just now, (a) the needle pricked quite hard which it hasn't ever done before, and (b) it felt a bit hard to push the plunger in but it's a new pen so I just thought it might be slightly different and I disregarded it and just pushed it all the way in anyway