Patanjali Nutrela VIT B12 Natural is India's 1st bio fermented Vitamin B12. This herbal supplement helps you refresh, recharge and revitalize yourself. It offers a wide range of benefits for men and women. This specially crafted formula improves the body's ability to convert foods into cellular energy and helps lead a healthier lifestyle. Bio fermented supplements are proven to be better for our body's nutrient absorption and also improves our body`s immune function. Nutrela Bio fermented B12 is 100% vegetarian, GMO free, gluten free, with no added color and preservatives.