side effects b12 injection What are the benefits of injection? Vitamin B12 Injection
Description
Too little vitamin B12 can cause less oxygen to be delivered to your tissues, which can cause fatigue

Guant JL, Guant-Rodriguez RM, Kosgei VJ, Coelho D

Who Should Consider This Test: Individuals who need insight into their digestive health, are experiencing gastrointestinal upset and discomfort, or are concerned about the balance of bacteria in their gut

Cats, unlike some animals, cannot produce this vitamin on their own and must obtain it through their diet, primarily from animal-based proteins like meat and fish