Vitamin D is necessary
for healthy bones and a healthy immune system, and it even helps with your
mood, but what you may not know is that it has to go through a two-step
activation process with the liver and kidneys to function. For this to happen,
your body needs another active nutrient, which is magnesium; but where do you
get magnesium from?
One of the other surprising sources of magnesium
is avocados! Creamy, ripe, full of nutrients that your body requires-and, of
course, magnesium, playing a key role in initiating vitamin D's action. So,
including avocados in your diet not only tastes good but also helps you get all
these out from your vitamin D!
Magnesium in avocados
The role of
magnesium in Vitamin D activation
Vitamin D is unique because it functions more like a
hormone than a traditional vitamin. It is synthesized by the skin in response
to sunlight and must be activated through a two-step process. In its initial
form, vitamin D is inactive and needs to be converted into its biologically
active form to perform its many functions in the body, such as promoting
calcium absorption, maintaining bone health, and regulating immune function.
The first step of activation occurs in the liver,
where vitamin D is converted into 25-hydroxyvitamin D [25(OH)D], the form
usually measured to assess vitamin D levels. The second step happens in the
kidneys, where 25(OH)D is converted into its active form, calcitriol
(1,25-dihydroxyvitamin D). Both steps rely heavily on the presence of magnesium
as a cofactor.
Magnesium acts as a critical regulator of this
process by facilitating the activity of enzymes that are necessary for
converting vitamin D into its active form. Without sufficient magnesium, these
enzymes are less efficient, and vitamin D activation can be impaired, even if a
person is getting enough sunlight or taking vitamin D supplements.
Why Vitamin D activation is important
Activated vitamin D enhances the calcification of all
calcium that can be absorbed by the intestines to provide sufficient amounts in
the blood to be deposited to the bones. Without activated vitamin D, the
calcium amount may drop, which results in weak bones, increased chances of
fractures, and osteoporosis, among other conditions.
Activated vitamin D keeps the immune system in check
and prevents infections and inflammation.
The active form of vitamin D is calcitriol, which
has a role in growth and differentiation, mainly of skin, muscle cells, and
immune cells. Thus, lack of vitamin D would cause problems like slow healing of
wounds, loss of hair, and fatigue.
Recent evidence suggests that vitamin D plays some
role in mental health. Low active vitamin D has been associated with mood
disorders, hence proper activation of the vitamin is very crucial.
How avocados support magnesium and
Vitamin D interaction
Avocados provide a blend of nutrients that will
contribute to the synergy of magnesium and vitamin D. Apart from providing
natural sources of magnesium, avocados provide healthy fats, necessary for the
assimilation of fat-soluble vitamins like vitamin D. So the fact that you eat
avocados makes it possible for your body to assimilate vitamin D besides
getting enough magnesium.
It is a fat-soluble vitamin; hence, it needs
dietary fats for proper absorption and, therefore, can contribute to the
increase in absorption of vitamin D either from foods or supplements. Thus,
avocados help both in increasing absorption as well as the activation of
vitamin D.
As stated above, magnesium is also required for the
activation of vitamin D. Food sources rich in magnesium should, therefore, be
included in your diet to ensure that your body has all the necessary components
for vitamin D to be converted into its active form, such as avocados, nuts,
seeds, and leafy greens.
Other good sources of magnesium
Magnesium is found in a variety of plant-based and
animal-based foods, making it accessible through a well-balanced diet. One of
the richest sources is leafy green vegetables like spinach, which provide a
significant amount of this essential mineral. Nuts and seeds, particularly
almonds, pumpkin seeds, and sunflower seeds, are also high in magnesium.
Another great source of magnesium is whole grains,
such as brown rice, quinoa, and oats,. Legumes like black beans, lentils, and
chickpeas are also packed with magnesium.
Lastly, dark chocolate is
a surprisingly good source of magnesium. Consuming a small portion of dark
chocolate (with at least 70% cocoa content) can satisfy a sweet craving while
also boosting your magnesium intake.
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