can b12 injections cause bruising Vitamin B12: All You Need to Know Does anyone else have a

In the days following treatment, many feel more alert, less tired, and mentally clearer

[4] [3] Without adequate B12, nerve signals cannot transmit efficiently, potentially leading to neurological symptoms such as tingling, numbness, or balance problems

Regardless of the dosage, your practitioner will likely suggest weekly shots for a few weeks

The most commonly reported side effects are mild and transient, including injection site reactions (redness, slight swelling, or tenderness), mild headaches during the initial days of use, and occasional dizziness or lightheadedness, particularly when starting the peptide

"The complex machinery of human cobalamin metabolism"

Care should be taken to avoid accidental self-injection: may cause irritation at site of injection