KAL Vitamin D-3 5000 IU ActivMelt, Instant Dissolve, Natural Lemon Lime Flavor, Healthy Immune Function & Bone Support, 90 Servings, 90 Micro Tablets

Customers find the vitamin D supplement effective, with one mentioning it brought their levels up quickly. The taste receives mixed reactions, with some finding it great while others describe it as horribly sour.