Keep in mind, however, that the calcium content of these foods should not be counted as part of your daily calcium intake. Pay attention to foods that cause calcium loss through the urine. You lose calcium daily through the urine. In fact, it is the most common cause of such calcium loss. Therefore, it is advisable to keep the intake of salt and salty foods to a minimum, a recommendation that is in line with other health considerations as well.
Recent studies show that caffeine increases calcium loss through the urine.
Most experts agree that two to three cups a day is probably not detrimental provided that calcium intake is adequate. Keep in mind that the less calcium in your diet, the more serious the effects of caffeine on this calcium loss. And in recommended amounts, protein's effect on calcium loss is small. Canada's Food Guide advises that adults should consume two to three servings of protein a day. The Osteoporosis Society of Canada recommends that individuals follow Canada's Food Guide regarding protein and ensure an adequate amount of calcium.