why does b12 injections make me tired Vitamin A Vitamin B12 injection is a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Feeling worse after B12 Injection:

Colchicine, para-aminosalicylic acid and heavy alcohol intake for longer than two weeks may produce malabsorption of Vitamin B12

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While patient results may vary, Vitamin B12 shots can: Assist with digestion, helping your body break down the food you eat and convert it into energy more efficiently

Allergic Reactions (Rare): Although rare, some individuals can have an allergic reaction to the injection, ranging from a rash or itching to more severe symptoms like swelling of the face, tongue, or throat, dizziness, or difficulty breathing

What is the cost of a vitamin B12 test

Your injection will be comprised of a personalized prescription of vitamins that are injected under your skin, into a vein, or into a muscle