contraindications vitamin b12 injections Potential Injection Side Effects B12 Course – Beauty &
Description
7.Frontiers in Pharmacology

While the causes of this condition are complex, recent research has suggested that excess vitamin B12 intake may play a significant role

But its also needed for production of sex hormones and regulation of sex drive

Certains effets secondaires courants peuvent inclure, mais ne se limitent pas : myosite transitoire faiblesse musculaire ou douleur Les effets secondaires graves peuvent inclure : raction allergique Pour une liste complte de tous les effets secondaires possibles de ce mdicament, consultez un vtrinaire
PMID 16687029

This helps ensure a safe injection experience