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After reconstitution: store the solution at 28 C (refrigerated) and protect it from light
STEP 3 Track progress, check in with your provider, and access 24/7 support to keep your results on track
For example, those with severe deficiencies might need 1,000 mcg weekly, while others might only need 100 mcg monthly
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
it did not meet its endpoints in clinical obesity trials
