does a b12 injection wake you up Vitamin Injections and Weight Loss: How it Work? Feeling worse after B12 Injection:

Methylcobalamin is absorbed more effectively by the body and is therefore considered the better option

Because B12 is stored in the body, consistent injections help maintain steady energy levels over time

Yoo HJ, Kim M, Kim M, et al

2015 Mar 3;21(3):443-54

HealthLinkBC: Quick Nutrition Check for Vitamin B 12 HealthLinkBC: Vitamin B 12 Deficiency Anemia HealthLinkBC: Getting Enough Folic Acid HealthLinkBC: Folate and Your Health HealthLinkBC: Folic Acid Oral HealthLinkBC: Pregnancy and Nutrition: Folate and Preventing Neural Tube Defects HealthLinkBC: Folic Acid Test Health Canada: Canadian Nutrient File National Institutes of Health: Vitamin B 12 Fact Sheet for Consumers National Health Service (NHS): Patient Factsheet: Vitamin B 12 Deficiency This guideline is based on scientific evidence current as of the effective date