Peters Our doctors understand the importance of B12 and how it supports numerous aspects of physical, mental, and emotional well-being
You should also contact your GP if: You are unable to attend scheduled maintenance injections, as missing doses can lead to symptom recurrence You develop new symptoms that might indicate other deficiencies or health problems You are planning pregnancy, as B12 requirements may change You experience persistent side effects such as headaches, dizziness, or gastrointestinal symptoms If you experience any side effects, talk to your doctor, pharmacist or nurse
The Recommended Dietary Allowance (RDA) for vitamin B12 The recommended amount of vitamin B12 for people who have received a diagnosis of B12 deficiency or have absorption difficulties may be higher than the RDA
Archived from the original on 23 July 2018
Standard 1,000-5,000 mcg IV B12 Dosing Guidelines The amount of IV vitamin B12 can vary a lot