Vegans tend to be deficient in B12, an essential nutrient that is difficult to obtain with a vegan diet. Many vegans consume a large portion of their calories from carbohydrates. A high intake of carbohydrate has been linked with an increased risk of developing hypochlorhydria. Adequate stomach acid is essential for the proper absorption of vitamin B12. Vegans are therefore compromised on the supply end and the digestion end of the B12 issue.
A through assessment of the upper digestive tract is essential in the vegan client to ensure that the correct mechanism for adquate B12 digestion and absorption is in place. ZInc deficiency has been associated with hypochlorhydria and should also be assessed.
Reference: Weatherby, D. (2004).
Signs and Symptoms Analysis from a Functional Perspective. Jacksonville, OR: Bear Mountain Publishing.
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