These are usually powders or liquids that can be added to a quart of milk. Try using dairy products like yogurt or sweet acidopholus milk in which the lactose has already by broken down. Unless you are extremely int olerant you may be able to use these products. This will retain the calcium value in them. Substitute shredded or grated cheese for butter on vegetables.
Parmesan cheese is especially good for adding both calcium and good taste.
Cubes of cheese or tofu can be added as a garnish to many soups or salads to enhance their taste and nutritional value. Calcium chloride is more effective and nutritious. Add powdered nonfat dry milk to everything you can. Every teaspoon you use gives you 50mg of calcium and no fat. Be sure to read the label to find out just how much available calcium is in eac h tablet, so you take the proper number each day.