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While both B12 shots and oral supplements can raise your vitamin B12 levels, injections offer some key advantagesespecially for weight-loss patients who need a quick energy boost for workouts and metabolism support: Superior absorption: B12 shots bypass the digestive tract entirely, delivering 100% of the dose directly into your muscle
Follow-up visits and check-ins ensure your plan remains safe, comfortable, and effective as your body adapts to treatment
Conflict of interest Flynn McGuire, Riley Martinez, Annika Lenz, Lee Skinner, and Dan Cushman declare that they have no conflict of interest
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