Direct injections are also the best solution if you cant keep down oral supplements due to vomiting, nausea, or digestive issues
In many cases, the effects of the injection take 48 to 72 hours following the initial injection to kick in
Although you may eat plenty of B-12-enriched food, your body may not absorb it or use it efficiently due to aging, alcohol intake, and pollutants from the environment, all of which can take a toll on your body and digestion
A consultation with a licensed medical provider is required before treatment
You may also be at risk if you take certain medications, such as proton pump inhibitors (Nexium, Prilosec, Prevacid), histamine-2 receptor agonists (Pepcid and Zantac), and metformin for type 2 diabetes