Methyl-GuardMethyl Guard the first dietary formula on the market to promote homocysteine metabolism and is the only one that contains the active, body ready forms of the homocysteine metabolizing nutrient cofactors.* supports healthy methylation* helps maintain good heart and blood vessel health by supporting normal homocysteine levels* contains the active methyl forms of folate and vitamin B12 (5 MTHF and methylcobalamin) promotes brain and nerve health*