Common contributors to Vitamin B12 deficiency include: vegetarian/vegan diet stomach acid medications antibiotics oral contraceptives aspirin (ASA) blood sugar medications such as metformin Normal serum vitamin B12 levels range between 200-900 pg/mL. Serum B12 levels may not accurately reflect tissue B12 levels. What this means is that you could have a tissue level deficiency that…
Category: Vitamins
What is a vitamin?
A vitamin is a substance that your body needs in order to be healthy but cannot synthesize for itself. As a result, vitamins must be taken in from food, or sunlight in the case of Vitamin D.
Vitamin A (Retinol)
Vitamin A is a fat-soluble vitamin. It is found naturally in many fruits, vegetables, eggs, whole milk, butter, fortified margarine, meat, and oily saltwater fish and can also be man-made in supplements. Eating 5 servings of fruits and vegetables per day provides about 50% to 65% of the amount adults require for good health. Vitamin…
The Doctor's Note 
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