The Perfect Pair: Must Have Isotonix Duos

Nutrition guidelines seem to be written one nutrient at a time. We’re told to get this amount of that vitamin and that amount of this nutrient, but it’s not always that simple.  Sometimes, two really is better than one!  We’re taking Valentine’s Day one step further by finding the Isotonix duos that balance each other out in ways that show these perfect pairs were simply meant to be.

Good nutrition requires us to understand that the way our bodies absorb and process nutrients is more complex than simply adding supplements in one-by-one. Many nutrients interact to either hinder, help, or cancel each other out! Following is a list of our perfectly paired Isotonix duos:

Vitamin D + Calcium











Similar to other nutrients, calcium is primarily absorbed in the small intestine. While this bone-strengthening mineral diffuses across the small intestine’s inner lining on its own if large quantities are present, the mineral needs vitamin D to help it absorb on its own. Vitamin D also lends a helping hand in the absorption of phosphorus and magnesium, both important for keeping bones strong and healthy!

Vitamin C + Iron


Iron – a mineral that is present in both meat and vegetarian sources – comes in two categories: heme and non-heme. Non-heme is found in legumes, leafy greens, and fortified foods while heme is only present in meat. Of the two, heme is the more easily absorbed which is an issue in today’s world of plant-based diets! This is especially true considering you only absorb about 2% of the non-heme iron you consume.


Not to fear; vitamin c comes to the rescue! Vitamin C helps the absorption of this iron by producing an electron to the iron, making it easier for your body to absorb. This vitamin is essential for maintaining healthy blood. The amount of iron absorbed increases in individuals who are iron-deficient, which makes it so important for people with low iron to make sure they’re getting enough vitamin C and iron.

Magnesium + Calcium


Magnesium and calcium are powerhouse minerals that have a large number of specific duties within your body. But like the best couples, they share a lot of those responsibilities, too! They function as electrolytes in your body, helping transmit electrical impulses between nerve and muscle cells while balancing the fluid levels inside and outside of cells as well.  While your body can absorb each of these separately, they just work better together. With an Isotonix delivery to boot, it’s a match made in heaven!



Which Isotonix products do you think make a perfect pair? Tell us in the comments below!

Tayler Glenn

Tayler Glenn


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