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Often, most of the B12 from a shot is flushed out in the urine within hours
Sony Sherpa, MBBS, MD Medical author Dr
Feel the difference within 24-48 hours: more energy, better focus, and improved metabolism
If your B12 deficiency is not diet-related, you'll need to take B12 injections
The typical dosage is 1,000 mcg per injection, although this may be adjusted based on your individual health needs and goals
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