any side effects from b12 injections Vitamin & Reactions · PA Relief Vitamin B12 Injections: Good or

Higher-Caution Situations Extra medical supervision is important if you: have a history of reactions to injectable vitamins/cobalamins have significant kidney or liver disease are pregnant or breastfeeding are offered a compounded MIC B12 product without clear labeling of ingredients, concentrations, and compounding source The FDAs overview of compounding helps explain why quality can vary (see Compounding and the FDA: Questions and Answers )

What to Know

Used 40% less B12 total, but his levels stayed way more stable (450 -550 pg/mL instead of swinging between 300-700 pg/mL), and those mid-week energy dips disappeared

A simple way to think about it is in two phases