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I store my ampoules ( I bought in bulk) in the fridge
The most common side effects are mild and include injection site reactions (redness, slight swelling, or tenderness), mild headaches during the initial days of use, and occasional dizziness or lightheadedness
In addition, certain medical conditions and medications can cause vitamin B12 deficiency (30)
Allergic Reactions: While uncommon, some individuals may experience allergic reactions to the injection, which can include itching, rash, or difficulty breathing
Do not increase dose during weeks 1-2 regardless of lack of visible results
Recent estimates have shown that 90% of people who follow a strict vegan or vegetarian diet are vitamin B12 deficient
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