Product Name: Vitamin D3 Drops - 4000 I.U. For 4 Drops - In Mct Coconut Oil - 30 Ml (960 Drops) - High Dosage and Bioavailability - Without Additives 30 ml of vitamin D3 in a glass dropper. Our product comes in a 30 ml bottle with a practical glass dropper, providing excellent value for money. Each drop contains 1,000 IU (25 µg) of pure vitamin D3 in high-quality mct coconut oil. With 960 drops per bottle, we have an excellent dosage according to individual needs, thanks to the high-precision pipette. High bioavailability and effectiveness. To ensure greater bioavailability and effectiveness of Nortembio vitamin D3, we dissolve it in high-quality coconut mct oil. In this way, maximum absorption is achieved, since the drops are absorbed directly through the mucous membranes of the mouth, preventing the loss of nutrients due to gastric acids.