best injection site for b12 intramuscular sites 𝗡𝘂𝗿𝘀𝗶𝗻𝗴 𝗜𝗻𝘃𝗶𝗻𝗰𝗶𝗯𝗹𝗲™ Injecting B12 into fat: 4

Methylcobalamin is the most bioactive type of vitamin B12 and injections can be made in higher doses

If nothing explains it, a sensible next round usually includes a repeat B12 to confirm the finding is not a one-off, a full blood count, and liver enzymes such as ALT and AST

The early 1990s saw the development of SRCP formulations that addressed these issues

Harvard Health Publishing notes that intramuscular injections are particularly useful here and that untreated pernicious anemia can cause lasting nervous system damage

While the energetic effects fade after 2 to 4 weeks, vitamin B12 itself continues to be stored in the liver and can remain available for years