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Anyone taking high-dose supplements should make sure to have their vitamin B12 levels tested periodically
Taking too much can make side effects, like feeling or being sick, diarrhoea, or headaches, worse and increase the chance of dehydration
Long-term deficiency can lead to permanent nerve damage, repeated fractures, weakened immunity, balance problems, and increased risk of falls and cognitive decline
The 20mg and 30mg vials offer the best value per milligram and are appropriate for extended research programs requiring consistent dosing over multiple weeks
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Once all bacteriostatic water is added, withdraw the needle
