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Description
More than 7 is basic or alkaline, with 14 the most basic

According to the USDA, Vitamin B12 deficiency is believed to be one of the most common nutrient deficiencies in the world, especially among people taking stomach acid-altering medications and antibiotics frequently, along with the elderly and sometimes vegetarians/vegans

Vitamin D: Evidence-Based Health Benefits and Recommendations for Population Guidelines
Song, Yong
