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B12 injections are a safe, fast, and effective method to raise vitamin B12 levels in the body, especially for people with absorption problems
Oral vitamin B12 absorption drops sharply at higher doses
Injections are typically given intramuscularly (into a muscle) or subcutaneously (under the skin)
Whether you're having vitamin B12 injections, or supplements, speak to your doctor if you're experiencing side effects.
B12 injections may be worth discussing if you are experiencing fatigue, low energy, brain fog, or a lack of motivation while trying to lose weight
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