tired after vitamin b12 injection I Feel All the Time. Do I Need a Shot?: Shawn Veiseh, M.D.: Family Medicine Feeling worse after B12 Injection:
Description
PMID 16314912

Cytotechnology 73 , 727743 (2021)

and (6) depending on the duration of symptoms, gluteal atrophy

If you experience symptoms like swelling, severe dizziness, or difficulty breathing, seek medical help right away
It may just be more expensive

Entre 1 a 3 g se elimina va biliar, un poco ms del 50% de esta cantidad se reabsorbe por el circuito enteroheptico