are b12 tablets as effective as injections Vitamin vs. Supplements: Which Works Best? Vitamin B12 Injections for Wellness
Description
Thyroid Function : Rare reports of temporary thyroid function changes, though causation remains unclear in research literature

This burning of calories may result in a decrease in weight

There is, per ClinicalTrials.gov, no completed human efficacy trial for 5-Amino-1MQ

Injections may be recommended if absorption is a concern
In the UK, intramuscular hydroxocobalamin is the standard formulation due to its longer duration of action compared to cyanocobalamin
