still tired after my b12 injection I Feel All the Time. Do I Need a Shot?: Shawn Veiseh, M.D.: Family Medicine Feeling Tired? Vitamin B12 Shots
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But if they dont or bother you a lot, talk to your doctor
Long-term safety remains largely unknown due to limited research and regulation

Most patients notice higher energy and improved focus within 2472 hours of treatment

When stored correctly, this compounded injection remains stable and effective until the stated expiration

Dose and frequency depend on your B12 levels and underlying condition

After beginning your injection routine, you may experience increased energy within the first week