is liquid b12 as effective as injection CYANOCOBALAMIN INJECTION, USP 30000 mcg/30 mL (1000 mcg/mL) 30 mL VIAL Sublingual B12 vs. B12 Injections:
Description
The absence of IGF-1 elevation and glucose metabolism impairment represents a significant safety advantage for long-term applications

Common effects usually mild and often worst during titration include nausea, vomiting, diarrhea, constipation, abdominal pain, upset stomach, headache, and fatigue
Less than 1% of people with B12 deficiency report getting optic neuropathy

Injection site reactions : Localised redness, swelling, or discomfort at the injection site

Proposed mechanisms are based on experimental and preclinical research
