Why does it matter to me?
Calcium acts as a cell signaler. This means it maintains internal balance and stability in our bodies, which helps keep us healthy when the environment around us changes. It’s also a major building block for bones and teeth.
Many people are unaware that reaching your RDA for calcium can reduce blood pressure and even protect against lead poisoning, which is still an issue for children in urban areas).
Want to know more? Read the article in the link below, by the Harvard Medical School (HMS) giving an overview of the various arguments about calcium.How calcium reacts with …
Vitamin C: Some foods (other than dairy) that contain calcium also have chemicals that reduce our ability to absorb calcium. This includes foods like spinach and rhubarb. It’s best to eat these alongside foods high in vitamin C.
Vitamin K1: Calcium plays a key role in the blood clotting process by activating vitamin K1.
Iron: If you eat calcium-rich foods alongside iron-rich foods (think cheese and steak) then the calcium can inhibit our ability to absorb the iron.What to say to your friend who eats chalk …
Thanks, but no thanks. Some people eat chalk supplements to meet their RDA (chalk is pure calcium), but this isn’t the same as the kind that animals and plants absorb naturally, which is also mixed with other micronutrients.How much do I need?
Most of the calcium we consume is excreted giving rise to a high RDA (recommended daily amount) to maintain required levels.
The British Government and NHS recommends an RDA for calcium at 70% of the current set RDA. What happens if I don’t get enough?
If we’re deficient in calcium, our bodies take calcium from our bones to boost the levels in the blood. In the long-term, this leads to a loss in bone density.
Most experts recommend getting your calcium RDA from food because it reacts with other micronutrients to help the body make use of the calcium.
Thinking about taking calcium supplements? To find out more about the numerous studies on the potential dangers of using calcium supplements see the link below.
Am I getting enough?
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