If you're not getting enough B12, you can experience anemia, fatigue, weakness, constipation, decreased appetite, weight loss, dizziness, lightheadedness, confusion, poor memory, soreness of your tongue and mouth, and tingling and numbness in your hands and feet, according to Harvard Health Publishing
Important things to keep in mind include: Serum B12 levels should be normal for most people Methylmalonic acid (MMA) and homocysteine levels can show if B12 is really working, even if levels seem fine How symptoms change is also important When and How to Adjust Dosing Regimens Doctors might need to change the dose based on test results and how the patient is doing
Weight management requires a comprehensive approach including dietary modification, physical activity, and behavioural supportinterventions with strong evidence bases supported by NICE guidance
The descriptions of potential benefits are not guarantees and are not a substitute for an individualized medical evaluation
And for many patients a genuine transformation in how they feel day to day