HuxD3 20000IU Capsules contain the active ingredient colecalciferol. Colecalciferol is a form of vitamin D used in the initial treatment of clinically relevant vitamin D deficiency conditions in adults. Deficiency of vitamin D may occur when your diet or lifestyle does not provide you with enough vitamin D or when your body requires more vitamin D (for instance when you are pregnant). HuxD3 Capsules are: - Peanut & Soya oil free. - Gelatine free. - Suitable for vegetarians. - Alcohol free. - Highly asorbable. - Preservative free. - Yeast free.