Life Extension Super K, Vitamin K Supplement, 2000 Mcg Vitamin K and 1180 Mcg Vitamin K2, Heart Health, Once-Daily, 90 Softgels

Customers find this vitamin supplement effective, noticing improvements within two days, and appreciate that it contains both K1 and K2 forms. Moreover, the product receives positive feedback for its health benefits, particularly for bone health and heart health, and customers find it easy to swallow. However, the capsules often stick together, and while some customers report it helps with bruising, others experienced chest pains.