Quick Answer
Use iHerb discount code KHQ339 at checkout.
400 IU Per 4 DropsSupports Bone and Dental HealthRegulates Healthy ImmuneNon-GMOA Dietary SupplementVitamin D enhances the uptake of calcium from the diet is necessary for bone and dental health regulates healthy immune activity and supports healthy cell division. This extra strength product has ten times the vitamin D3 (1 000 IU per drop) than our regular strength product (100 IU per drop).