A vitamin B12 deficiency can cause irreversible damage to your nervous system. Find out the warning signs of a vitamin B12 deficiency.

0:00 Introduction: Vitamin B12 deficiency
0:10 What does vitamin B12 do?
0:55 What kind of vitamin B12 to get
1:25 The top cause of a vitamin B12 deficiency
3:37 How much vitamin B12 do we need?
6:10 Symptoms of a vitamin B12 deficiency
9:55 Check out my video on vitamin B1!

Today I’m going to cover the seven warning signs of a vitamin B12 deficiency. Vitamin B12 is an important vitamin involved in making DNA, myelin sheath, and red blood cells.

It’s important to know how to identify vitamin B12 deficiency symptoms because if you are deficient in vitamin B12, you could experience irreversible damage to your nervous system.

When you’re looking for a vitamin B12 supplement, there are two kinds, a natural version, and a synthetic version. Always take the natural version, which is called methylcobalamin. But, it’s really best to get vitamin B12 from the diet.

The main cause of a vitamin B12 deficiency is not a lack of vitamin B12 in the diet. It has to do with malabsorption—the person can’t absorb vitamin B12.

Conditions that can block the absorption of B12:
• Atrophy of the stomach
• Hydrochloric acid deficiency
• Gastritis
• Ulcers
• Celiac
• Chrohn’s disease
• Irritable bowel syndrome

Foods rich in vitamin B12:
• Animal liver and kidneys
• Clams (and other seafood)
• Sardines
• Beef
• Chicken
• Fish
• Fermented products (kimchi, sauerkraut, and fermented dairy)
• Insects
• Nutritional yeast (non-fortified)

7 warning signs of a vitamin B12 deficiency:
1. Pale skin
2. Constant fatigue
3. Mouth problems
4. Cognitive issues
5. Nerve damage (peripheral neuropathy)
6. Blurred vision
7. Fast pulse rate

Dr. Eric Berg DC Bio:
Dr. Berg, age 57, is a chiropractor who specializes in Healthy Ketosis & Intermittent Fasting. He is the author of the best-selling book The Healthy Keto Plan, and is the Director of Dr. Berg Nutritionals. He no longer practices, but focuses on health education through social media.

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Disclaimer:
Dr. Eric Berg received his Doctor of Chiropractic degree from Palmer College of Chiropractic in 1988. His use of “doctor” or “Dr.” in relation to himself solely refers to that degree. Dr. Berg is a licensed chiropractor in Virginia, California, and Louisiana, but he no longer practices chiropractic in any state and does not see patients so he can focus on educating people as a full time activity, yet he maintains an active license. This video is for general informational purposes only. It should not be used to self-diagnose and it is not a substitute for a medical exam, cure, treatment, diagnosis, and prescription or recommendation. It does not create a doctor-patient relationship between Dr. Berg and you. You should not make any change in your health regimen or diet before first consulting a physician and obtaining a medical exam, diagnosis, and recommendation. Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.

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Thanks for watching! I hope this increases your awareness of the signs of a vitamin B12 deficiency.