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Sun, Vitamin D, and Testosterone: Some Findings

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Have you ever noticed that we’re attracted to the sun? It could be tanning at the beach, flying to somewhere warm during winter, or just choosing to walk on the sunny side of the street. It turns out that there is a reason why our body craves sunshine, and it has everything to do with vitamin D.

Vitamin D, which is the only vitamin produced in our bodies by being exposed to sunlight is responsible for a whole lot. It affects moods, bone strength, teeth, and testosterone levels.

Yup, that’s right. Vitamin D affects your testosterone levels which regulate sex, mood, and your physical fitness. Apparently, it’s not just the lighter clothes that are responsible for more relationships and relations during the summer months.

The recap on vitamin D

It is a fat-soluble vitamin which with dietary fibers, is absorbed through the small intestine and stored in body tissues. As it is stored in the body for longer than water-soluble vitamins, too much of through supplements can lead to toxicity.

Vitamin D deficiency also causes low testosterone in men and low estrogen in women, both leading to low sex drives. Besides your decreased libido, low vitamin D can also cause anxiety, irritability, and depression. If you’ve ever heard of Seasonal Affective Disorder, or SAD, you know that the lack of vitamin D has huge negative effects.

You can read more about adverse affects of low testosterone here and what you can do about it.

How does vitamin D improve testosterone levels? 

Don’t be alarmed but it is reported that about 77% of Americans doesn’t get enough vitamin D. We spend too much time inside, work long hours, and often socialize at night, we’re only getting a fraction of the recommended amounts we need. Which is affecting us.

In the study, a German research team gave 23 overweight but healthy men a placebo while another group of 31 men was given 3,333 IU of vitamin D every day. All of these men were deficient in vitamin D at the start of the study.

At the end of the year, those who took vitamin D supplements had increased their levels to 86 nmol/L, which is beyond the healthy 50-60 range, and also experienced a small but significant increase in their average testosterone levels. Those who took the placebo didn’t show any changes in their testosterone or vitamin D levels.

Effects of sunlight on vitamin

We know that we’re not getting enough vitamin D and that is causing a major problem with the ability to produce and maintain normal levels of testosterone.

If this is true, then testosterone levels should be the highest in summer as there’s more sun then, and they are. Numerous studies show major differences in the seasonal variations of testosterone, some as high as 30%.

The good news is that you can correct this by taking supplements. It could be just for general health, or for boosting your testosterone levels specifically. Many testosterone boosting supplements contain vitamin D as a primary nutrient.

The best answer to your deficiency, and for general happiness, is to try and make a little more time to increase your time in the sun and take vitamin D supplements. Talk a walk, eat outside on the patio, and explore what is around you. I’m sure you’ll see your mood increase in no time at all. And with your libido back to peak levels, hey, being outside is a great way to connect with interesting people.

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