Commonly Reported Mild Side Effects Injection site redness, swelling, or irritation Headache or lightheadedness Temporary fatigue, especially during the first week Mild gastrointestinal discomfort or nausea Occasional insomnia Less Common Reported Effects According to the U.S
So, if you are that type of person, and prefer taking an oral drop, which you will not taste and will naturally blend with whatever you are eating or drinking, you are also going to find the supplement form of B12 to be superior to vitamin B12 injections
The high rates of oxygen consumption allow for substantial free-radical production (157) as the lipids readily provide substrates for oxidation (158)
In Y, Amornkitbamrung U, Hong MH, Shin H (2020) On the crystallization of hydroxyapatite under hydrothermal conditions: role of sebacic acid as an additive