Bluebonnet Nutrition Liquid Vitamin B-12 & Folic Acid Natural Raspberry Flavor 2 oz. (59 ml) Bluebonnet?s Liquid Vitamin B-12 & Folic Acid contains 1000 mcg of pure fast-acting vitamin B-12 and 400 mcg of folic acid in a delicious natural raspberry flavor. Natural Raspberry Flavor Dietary Supplement VitaminsVitamins differ from macronutrients like carbohydrates proteins and fats by virtue of the amount required. Typically minuscule amounts are needed in comparison.