Support Your Immune System With Vitamin D for a healthy immune system With Calcium for strong teeth and bones 2 slices = 1/3 of your Daily Vitamin D & Calcium Vitamin D contributes to the normal function of the immune system.. That's one clever Loaf. Vegetarian Society Approved - Vegan. Halal - HFA Approved. Kosher - KLBD. Warburtons. Dietary Information Halal, Kosher, Suitable for Vegans, Suitable for Vegetarians Manufacturers Address Warburtons Limited, Hereford Street, Bolton, BL1 8JB. Return to Customer Care We put a lot of love into our baking, so if we haven't hit the mark please let us know. 0800 243684 (freephone) Warburtons Limited, Hereford Street, Bolton, BL1 8JB. www. warburtons. co. uk Your statutory rights are not affected. Package type Bag Storage information Suitable for Home Freezing