Jarrow Formulas® K-Right™ is a synergistic combination of three forms of Vitamin K: MK-7, MK-4 and K1 plus Vitamin D3. Jarrow Formulas® MK-7 is a product of natural fermentation using Bacillus subtillis subsp. natto.
Additional Warnings: If you are taking medication, especially anticoagulants (e.g. Warfrin/Coumadin), consult your qualified healthcare professional before using the product.