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sore throat after b12 injection Vitamin Side Effects and Safety Why Do I Feel Worse
Description
These include: Dietary adjustments to enhance natural B12 intake

Cautious use of parenteral cyanocobalamin is also recommended in patients with renal impairment, including premature neonates, because of the possibility of greater aluminum accumulation, which may cause central nervous system and bone toxicity
Vitamin B12 Injections: Who Really Needs Them and Do They Work

Thats the longest Ive gone in two years

Medications and alcohol : Long-term use of certain medications like proton pump inhibitors (PPIs) or metformin, and chronic alcohol use, can interfere with B12 absorption

Earlier b12 was less