why would someone need vitamin b12 injections The Advantages of Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine 💉 Vitamin B12 Injections –

You receive high-quality, pharmacy-grade treatments - always

Potential Side Effects Common Side Effects Injection site reactions: Mild pain, redness, or swelling at the injection site usually resolves quickly

A peptide is a chain of amino acids held together by peptide bonds, and those bonds are precisely what digestive enzymes (pepsin, trypsin) are built to cut, with the acidic stomach environment finishing the job so an oral peptide is largely destroyed before it can be absorbed, which is why injection is the default

Conversely, if you are a vegetarian or vegan, you might need to rely more on B12 shots or supplements to maintain adequate B12 levels