Supplement should not be used in over dosage. Caution should be exercised when administering this multivitamin formulation to patients on warfarin sodium-type anticoagulant therapy as it contains Vitamin K. Larger doses or supplementation with oral or parenteral vitamin E are not recommended because elevated blood levels of vitamin E may result. Additional vitamin A supplementation may be required, especially in low birth weight infants. Polysorbates have been associated with the E-Ferol syndrome (thrombocytopenia, renal dysfunction, hepatomegaly, cholestasis, ascites, hypotension, and metabolic acidosis) in low birth weight infants.