Please choose the correct ending to complete the given sentence: Health: [header] How to keep your bones strong as you age [title] Have more dairy products. [step] Adults need about 700 mg of calcium a day to maintain good bone health. In general, you should try to get calcium from food rather than from supplements, as this means you will also get other nutrients from food that you need to maintain overall good health.

Ending1: Your diet should consist of at least one high calcium food per meal, including dairy products. [substeps] Milk, cheese, and yogurt are all good sources of calcium. Ending2: Naturally, adults should consume between 750 and 1500 mg of calcium a day. [substeps] Just know that this is the amount of calcium that you should consume in order to stay healthy. Ending3: [substeps] Healthy adults may need between 20 and 35 mg of calcium a day. Some healthy adults will get around 300 or more mg. Ending4: The key to having all of these nutrients is to consume them as a part of your everyday lifestyle. [substeps] One serving of dairy is about 111 mg of calcium.

Answer format: ending1/ending2/ending3/ending4