Why We Need Calcium & How Much Is Enough
Calcium helps to maintain healthy bones and teeth, as well as assisting with nerve and muscle function. So, to maintain overall good health, it’s essential to make sure that there is enough calcium in your diet. Whilst there has historically been a perception – promoted particularly by the dairy industry – that animal products are the primary sources of dietary calcium, there are actually many good natural vegan sources of calcium, and in addition many vegan products, such as plant-based milks, are fortified with calcium. Hence it’s not necessary for vegans to take calcium supplements, although you may choose to do so if you think you aren’t getting enough in your normal diet. However, consuming too much calcium is likely to be detrimental to health and can cause stomach upsets and other problems, such as kidney stones. So if you’re able to meet your calcium requirements through food alone, supplements are probably best avoided.
How much calcium do we need?
As to the amount of calcium that should be consumed daily, it is important to be aware that many plant foods contain significant amounts of oxalic acid, which can restrict the amount of calcium absorbed by the body. On the other hand, animal proteins tend to draw more calcium from the blood during digestion, compared to plant proteins. On balance, the amount of calcium you should consume daily if following a vegan diet should be about the same as the amount recommended for meat eaters. For most adults, 1000 mg per day should be more than sufficient.
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