The H&B Value Calcium 400mg + Vitamin D 30 Tablets is a dietary supplement from Holland & Barrett designed to promote general wellness. Each tablet contains 400mg of calcium and 30 IU of vitamin D3, making it an essential addition to your daily vitamin regime. The active ingredients are calcium and vitamin D, with the tablets being taken after meals for optimal absorption. This product is ideal for those looking to maintain healthy bones and teeth, as well as supporting overall immune function.