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Schultz MB, Sinclair DA
A patient with unexplained fatigue should be worked up, not injected masking a B12 deficiency of unclear cause, or an unexamined thyroid problem, with a monthly shot is a real clinical risk
Some protocols use weekly or biweekly injections for a set initial period, then maintenance
Can I give myself a B12 injection
Other populations at risk include people who had gastrointestinal surgery (including weight loss surgery) and diseases that affect the gut, such as Crohn's disease or celiac disease
Here are a few: Long-lasting boost in energy: Many people feel tired or sluggish before they start gaining weight because their bodys natural ability to produce energy diminishes over time
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