High strength silica complex, with calcium, magnesium & zinc Helps maintain healthy hair, skin and nails Tablets suitable for vegans and vegetarians Holland & Barrett's Silica Complex is a combination of calcium, magnesium, zinc, betaine hydrochloride, boron and horsetail. Calcium and magnesium contributes to the maintenance of normal bones, whilst zinc helps maintain normal hair, skin and nails. Horsetail is a perennial plant. Suitable for vegans & vegetarians.Holland & Barrett International Limited, Barling Way, CV10 7RH, UKHolland & Barrett Limited, 45 Henry St, D01 E9X8, Ireland