What Color is Calcium? Demystifying the Myth

Calcium is one of the most essential minerals in our body. It plays a critical role in transmitting nerve impulses, regulating muscle contraction, and building and maintaining strong bones and teeth. However, there seems to be a lot of misconception around what color calcium is. In this article, we will be demystifying this myth and providing you with several interesting facts about calcium that you might not know.

The Origin of the Myth

There is a common misconception that calcium is white. This myth stems from the fact that most calcium supplements and dairy products like milk, cheese, and yogurt appear to be white. However, this is not a true representation of the color of calcium.

The Real Color of Calcium

Calcium is actually a silver-grey color that appears opaque to the human eye. It is also soft and malleable, which makes it easy to shape and mold into different forms. However, it is rare to come across calcium in its natural form. Most of the calcium that we use is extracted from minerals like limestone, gypsum, and fluorite.

Calcium’s Role in the Human Body

Calcium is vital for our overall health and well-being. It is required in various bodily functions like blood clotting, hormone regulation, and muscle function. In fact, it is the most abundant mineral in the human body, making up approximately 1-2% of our total body weight. The majority of calcium in our body is stored in our bones and teeth, where it plays an important role in maintaining their structure and strength.

The Benefits of Calcium

Calcium is essential for our body to function properly. Here are some of the benefits that calcium provides:

  • It promotes healthy bone growth and development.
  • It helps prevent osteoporosis and other bone-related diseases.
  • It regulates muscle contraction and blood pressure.
  • It supports proper nerve function and transmission.
  • It assists in blood clotting and wound healing.

Calcium Sources

Calcium is found in a variety of foods, including:

  • Milk, cheese, and yogurt
  • Leafy greens like spinach and kale
  • Sardines and canned salmon (with bones)
  • Almonds and other nuts
  • Tofu and other soy products

It is important to note that not all calcium sources are created equal. For instance, calcium obtained from dairy products may be easier for the body to absorb than calcium obtained from plant-based sources.

Calcium Supplements

Calcium supplements are a popular way to ensure that your body is getting enough of this essential mineral. However, it is important to talk to your doctor before adding any supplements to your diet. Excessive calcium intake can lead to kidney damage or even heart disease. Therefore, it is essential to follow the recommended dosage and to keep an eye on any potential side effects.

Calcium-Enhanced Foods

Many foods, like orange juice and breakfast cereals, are fortified with calcium. While this is a convenient way to add calcium to your diet, be sure to check the labels to ensure that the added calcium is in a form that is easily absorbed by the body.

Common Myths About Calcium

Here are some common myths about calcium:

  • Myth: Calcium supplements are only necessary for women.

    Reality: Both men and women need calcium to maintain good health.
  • Myth: Calcium can only be obtained through dairy products.

    Reality: There are many plant-based sources of calcium, including leafy greens and nuts.
  • Myth: Calcium supplements can reverse osteoporosis.

    Reality: While calcium supplements can help prevent osteoporosis, they cannot reverse it once it has occurred.


Calcium is a vital nutrient that plays a crucial role in overall health and well-being. Despite popular belief, calcium is not white but rather a silver-grey color that is soft and malleable. It is important to obtain calcium through a balanced diet that includes both plant-based and dairy sources. If you think you may not be getting enough calcium through your diet, consult with your doctor before starting any supplements.

Common Questions and Answers:

  • Q: What is the recommended daily intake of calcium for adults?
    A: The recommended daily intake of calcium for adults is between 1000-1200 mg per day.
  • Q: How do I know if I am getting enough calcium?
    A: You can ensure that you are getting enough calcium by eating a balanced diet that includes calcium-rich foods like milk, cheese, and leafy greens.
  • Q: Are there any side effects of taking calcium supplements?
    A: Excessive calcium intake can lead to kidney damage or heart disease. Therefore, it is important to follow the recommended dosage and to keep an eye on any potential side effects.


  • The National Institute of Health. Calcium. (source)
  • John Hopkins Medicine. Calcium. (source)
  • The American Bone Health. Calcium Content in Foods. (source)

Leave a Reply

Your email address will not be published. Required fields are marked *