Supporting Serotonin Production B12 participates in the production of serotoninoften called the happiness hormonewhich regulates mood, sleep patterns, and appetite
Method Absorption Rate Advantages Disadvantages Oral pills 1.2-40% depending on intrinsic factor Convenient, widely available Poor absorption, especially with age or GI issues Sublingual Slightly better than pills No need for intrinsic factor, easy to use Still less effective than injectable forms In-clinic IM injection Nearly 100% Highly effective, professionally administered Requires clinic visits, potential travel and waiting time At home B12 injection Nearly 100% Highly effective, convenient, no travel needed Requires training, prescription, and comfort with self-injection IV infusion 100% Immediate delivery to bloodstream Most expensive, requires professional administration For many people especially those with serious deficiencies, digestive disorders, or pernicious anemia at home B12 injection offers the sweet spot of effectiveness and convenience
They do not address underlying metabolic dysfunction and stop working when discontinued
Enzymes such as lipase appear to play a critical role in this process, helping in the breakdown of these fats
To give you a clearer picture, the table below outlines some common B12 injection schedules for different scenarios
