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B12 deficiency symptoms usually begin gradually, but can become more serious over time
Some common side effects may include: Irritation at the injection site Fatigue Nausea Storage Store at controlled room temperature
Some patients start with weekly injections, then transition to monthly maintenance once levels stabilize
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Higher quality products with third-party testing and certificates of analysis generally cost more but provide better assurance of purity and potency
4What if my package is missing products or contains the wrong items
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