l-Ornithine is active in the synthesis of glutamate
A study comparing bioavailability of crystalline B12 at different oral doses found that the body can only absorb about 1-1.2 mcg B12 via the gut per dose
The most common issues include nausea, vomiting, diarrhea, stomach pain, and constipation
Regular monitoring for signs and symptoms of adverse reactions is essential
Nurcan Tuncbag, [email protected] These authors have contributed equally to this work Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers
However, professional athletes should confirm current regulations with their respective sports bodies