vitamin b12 injections how often to take Complex Injection | Torrance, CA 4 Questions to Determine How

This does not make it the most effective, which remains debated, but it does make it among the best characterized for safety

human bioavailability is unknown Subcutaneous injection Human subcutaneous bioavailability and pharmacokinetics are unknown Factor Convenience Oral capsules No mixing or syringe math Subcutaneous injection Requires reconstitution, sterile supplies, and injection-site planning Factor Evidence limits Oral capsules No controlled human dose, benefit, or safety trial Subcutaneous injection No controlled human dose, benefit, or safety trial Factor Can the amounts be treated as equal

PMID 18709888

Without adequate levels of vitamin B-12 in your diet, your immune system can become weakened and unable to fight off infections or illness