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The speed at which a Vitamin B12 shot works can vary depending on several factors, including the individuals level of deficiency, overall health, and the presence of any underlying medical conditions
Feel your best and stay energized week after week
Drop one dose level every 4 weeks (for example, from 10mg to 7.5mg to 5mg to 2.5mg)
Some researchers attempt to salvage marginally exposed vials by immediately returning them to 28C and using them within 7 days rather than the standard 28-day window, but this creates uncertainty in downstream data
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