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For severe deficiencies, especially those with neurological symptoms, a full resolution of symptoms might take several weeks or even months of consistent treatment

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Some studies indicate it might also be effective in treating arthritis and migraine headaches

Detoxification: The lipotropic agents play a role in liver health, aiding in the detoxification process and overall cleansing of your system

A B12 shot's energy and mood effects typically last 1 to 3 weeks, while vitamin B12 itself remains stored in the liver for up to 3 to 5 years

Given the benign mechanism of action and the excellent safety profile observed in trials, serious long-term risks seem unlikely