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One milligram (mg) is the same as 1000 micrograms (mcg)
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Because B12 is water-solublemeaning your body uses what it needs and flushes out the restyour dosage and injection frequency depend heavily on your starting levels and your specific wellness goals
Intramuscular B12 shots are injections of Vitamin B12 that are administered into the muscle tissue, usually in the upper arm, thigh, or buttocks
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