can b12 injections cause swelling Feeling worse after Injection: Answering concerns Do weekly B12 injections cause

Gastrointestinal: Mild transient diarrhea

When deficiency develops, symptoms can include fatigue, weakness, numbness or tingling in the feet or hands, difficulty walking, mood changes such as depression, and problems with memory or concentration. Untreated, severe deficiency can lead to anemia and neurological damage, so medical attention and proper supplementation are essential. Why Choose B12 Injections

The body excretes excess water-soluble B12 in urine

Protein is especially important to help preserve muscle mass while you lose body fat

Suppresses appetite, no cravings or crashes

Liver enzymes (ALT, AST, GGT) remained within normal ranges across all dose tiers in the Copenhagen trial