You may be surprised to know that even if you eat a healthy diet, you might be deficient in certain vitamins and nutrients. There are several reasons why.
First, conventional agriculture has depleted our soil of nutrients, and therefore so is the food that’s grown in it. Selenium is a good example of a mineral that is no longer found in high quantities in soil. Selenium is essential for your body to make glutathione—a powerful antioxidant—and for the repair of your DNA—both are very important to reduce your risk of cancer. Research shows that the incidence of cancer in various regions is directly linked to the amount of selenium in the soil. Areas with the highest selenium have up to a 50 percent lower incidence of certain cancers.
Next, your body can’t absorb nutrients from certain food sources as well as they can from others. For example, your body can’t absorb the calcium in dairy as well as it can from plant sources, such as spinach and kale. So if you rely on dairy rather than plants for all your calcium needs, you may be getting far less than actually you think.
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Vitamin D is another great example of a nutrient dangerously low in most Americans. You can manufacture your own vitamin D by a reaction between your skin and sunlight, but most people can’t regularly get enough sun exposure to make enough vitamin D. Vitamin D is needed for thousands of reactions in your body. When your Vitamin D levels are low, your risk of many chronic diseases including heart disease, diabetes, Alzheimer’s disease and certain cancers is significantly increased.
For these and many other reasons, you may not be getting enough of certain vitamins and minerals, so taking supplements can be important. I recommend seeing a holistic physician to have your levels of nutrients checked. Your physician can then precisely prescribe the nutritional supplements that are best for your unique physiology.