b12 injection side effects fatigue Shots And How To Treat Them Feeling worse after B12 Injection:
Description
Unlike most nutrients, B12 requires a protein called intrinsic factor (IF) to be absorbed

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Do not self-administer without professional direction

Do not use vitamin b12 injection for dogs if it appears cloudy or color has been changed or vial is leaked or damaged, these are the signs of expiration

In some cases, additional tests such as blood tests or biopsies may be required to rule out other conditions

Common injection sites include the abdominal area (at least 2 inches from the navel), thighs, or the back of the upper arms
