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Here are some of the best natural dietary sources: Meat: Beef, poultry, and organ meats like liver and kidney
Helps brighten dull skin
Delve into the debate: Are B12 shots better than pills
b12deficiency.info/ B12 books I found useful "What You Need to Know About Pernicious Anaemia and Vitamin B12 Deficiency" by Martyn Hooper Martyn Hooper is the chair of PAS (Pernicious Anaemia Society)
This process can be accelerated due to poorly managed stress or distress, malnutrition, poor diet, environmental toxins, etc
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