why do people have b12 injections Vitamin B12 Injections: Benefits and
Description
A 2017 study found that B12 supports healthy sperm by increasing sperm count and reducing damage to DNA

I was told to take ibuprofen and ice

B 12 deficiency can cause preventable permanent injury and should be considered with new onset neurological conditions and symptoms suggestive of B 12 deficiency (See Low B 12 symptoms section below)

I wish you well

What is the IGF-1 receptor pathway
