is b12 an intramuscular injection

The decision comes down to where you are in your dosing protocol 510K#: K162081 Size:100ml 5-AMINO-1MQ - Beverly Hills Rejuvenation Center https://ecodemy.com/blog/wp-content/uploads/sites/2/2023/10/ecodemy-infographic-vitamin-B12-ways-of-absorption.png

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