Vitamin B 12 (cobalamin) deficiency is a common cause of megaloblastic anemia, a variety of neuropsychiatric symptoms, and elevated serum homocysteine levels, especially in older persons. There are a number of risk factors for vitamin B 12 deficiency, including prolonged use of metformin and proton pump inhibitors.n asymptomatic patients with low-normal levels of vitamin B 12 (200 to 350 pg per mL [147.56 to 258.23 pmol per L]), elevated levels of the precursor compounds homocysteine and methylmalonic acid may prompt a decision to supplement patients with vitamin B 12. 5.
A ham sandwich made with two slices of whole wheat bread, two slices of ham and one leaf of iceberg lettuce contains 220 calories.
Ingredient Specific Calorie Information From Our Recipes: 1  Calories In Lean Ham Sandwich with EDAMAME SPREAD Calories: 241, Fat: 4g, Carbs: 56g, Protein: 18g, Fiber: 4g. 2  Calories In daily ham sandwich Calories: 516, Fat: 20g, Carbs: 70g, Protein: 23g, Fiber: 14g. Calories In Flaked Ham Sandwich Calories: 272, Fat: 7g, Carbs: 33g, Protein: 18g, Fiber: 3g. Calories In Grilled Ham Sandwich Calories: 194, Fat: 6g, Carbs: 15g, Protein: 15g, Fiber: 2g.