Side Effects Side Effects B12 injections common B12 injections common Injection site pain, redness, or mild swelling Mild nausea immediately after injection Headache in some patients B12 injections rare but important B12 injections rare but important including anaphylaxis in rare cases, particularly with hydroxocobalamin
To understand how retatrutide compares to other weight loss options, read our [retatrutide vs tirzepatide comparison](/guides/retatrutide-vs-tirzepatide-comparison).* --- ## References - [USP Chapter 797: Pharmaceutical Compounding - Sterile Preparations]( *United States Pharmacopeia*, 2023
Does 5-Amino-1MQ affect cholesterol
Most patients experience steady improvement over several weeks, and unlike medications, the effects of PRP are cumulative, your body is doing the healing work itself
Untreated pernicious anaemia can cause serious medical issues, which include irreversible damage to the nervous system
Some patients find that stepping back to 12.5mg offers a more sustainable long-term maintenance dose