benefits of b12 injections vs pills Vitamin B-12 Oral Pills: Expert Insights Should You Take Vitamin B12

B12 is naturally present in animal based foods such as: Chicken and lean red meat Fish and seafood such as oysters, clams, salmon, tuna and catfish Dairy products such as milk, cheese, yoghurt, plus vegan milk substitutes that are fortified Eggs Plus, fortified breakfast cereals

However, some protocols might explore alternate day dosing or even a loading phase followed by a maintenance dose

Clinical trial data recorded headache as the most frequent adverse event, occurring in a small percentage of participants

More serious but rare adverse events include pancreatitis, gallbladder events, and hypoglycemia (primarily in patients using insulin simultaneously)

B12 shots use intramuscular injection, depositing vitamin B12 directly into muscle tissue, typically in the upper arm or thigh