who shouldnt have b12 injections Do Help with Fatigue and Low Energy? B12 Injection Dose: 7 Guidelines
Description
Symptoms of preservative allergy include itching, hives, facial swelling, or difficulty breathing

The drug itself gets billed separately on the same claim

"The National Diet and Nutrition Survey: people aged 65 years and over"
Essential B-12 Make our Methyl B12 supplement part of your daily vitamin regimen

Always check the expiry date on the product packaging and use before it