Why Your B12 Test Doesn’t Match Your Symptoms (Fatigue, Neuropathy, Brain Fog, Memory Loss)

If you have classic signs of B12 deficiency, but your B12 levels came back normal, you may still have a true B12 deficiency, you're just not utilizing the right tests. In this video, we go over the correct lab tests and markers of low B12 and explain how to utilize those to see if you're truly deficient.

Chapters:
00:00 Normal B12 Can Be Misleading
01:13 Key Lab Tests
01:47 Methylmalonic Acid
03:10 Homocysteine
04:43 MTHFR variation
05:15 What causes the discrepancy?
05:47 Holotranscobalamin
06:13 Anti-IF an Anti-Parietal cell antibodies
06:44 MCV (Mean Corpuscular Volume)
08:02 Bottom Line

Dr Kim is a physician, board-certified in Internal and Obesity Medicine, with a passion for preventive health, weight loss, metabolic health, and longevity.