Each serving of Bluebonnet Liquid Methylcobalamin Vitamin B12 delivers 1,000 mcg of methylcobalamin, a highly bioavailable form of vitamin B12. Methylcobalamin supports many functions in the body, including energy production and cardiovascular health. Natural raspberry flavor. Free of milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, gluten, barley, rice and sesame.