b12 injection makes me tired Feeling and Run-Down? Therapy Might Be the Answer – Careone Medical Clinic Why do I feel worse

Unlike oral B12 supplements, which depend on intrinsic factor production in the stomach for absorption and lose 5070% bioavailability in the digestive process, injectable B12 achieves near-100% bioavailability by delivering the vitamin directly into circulation

Immediate Benefits : Many patients report feeling more energized and focused shortly after treatment

Sleep and Fat Metabolism Connection Research consistently shows that sleep deprivation increases cortisol, promotes fat storage (especially abdominal fat), and reduces the bodys ability to metabolize fatty acids

However, small levels of digestive concerns can result in poor absorption, and then vitamin B12 must be supplemented

Some people feel better after a Vitamin B12 shot, especially if fatigue, weakness, or neurologic symptoms were related to deficiency