can b12 injections cause heavy periods Why do I feel worse after a injection? How Long Does It Take

As first described back in the 1950s, about one in ten people erupted in acne within days or even hours of getting an injection of vitamin B12, but it disappeared rapidly when the B12 shots stopped

Inject subcutaneously or intramuscularly

After that it slowly disappeared because it became more and more difficult to obtain radioactive B12 suitable for human use, and at the same time less and less acceptable to use radioactive B12 in a diagnostic test

If your stomach struggles to produce enough stomach acid, injections are much better than oral supplements due to their bioavailability

After injection, you can rub the B12 injection site in a circular motion, which will increase blood flow and ease any irritation

Research areas What is AOD-9604 AOD-9604 is a short modified fragment of human growth hormone, a 16-amino-acid peptide corresponding to the C-terminal region of human growth hormone (residues 177-191) with an N-terminal tyrosine