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Vitamin D Promotes Mood Support, Muscle Health, Brain Function & More*

Morgan Chamberlain
mbg Supplement Editor
By Morgan Chamberlain
mbg Supplement Editor
Morgan Chamberlain is a supplement editor at mindbodygreen. She graduated from Syracuse University with a Bachelor of Science degree in magazine journalism and a minor in nutrition.
The Fascinating Connection Between Vitamin D & Longevity
Image by STUDIO FIRMA / Stocksy

If bone health was vitamin D's initial claim to fame, let's call its role in immune health1 the thing that put this essential vitamin back on the map.* And while calcium absorption2 and immune response are fantastic ways for vitamin D to support our well-being, we shouldn't sleep on the other amazing talents this vitamin has to offer.*

How vitamin D supports whole-body health

Vitamin D receptors33 are found in just about every cell in the body—meaning the sunshine vitamin plays a huge role in our health across many physiological systems. Here are six additional ways that vitamin D aids in whole-body health support:*


Promotes muscle strength and function

If you're looking to holistically support your musculoskeletal system during exercise (or day-to-day movement, for that matter), you may want to consider getting your vitamin D levels checked.

Sufficient vitamin D levels are crucial for maintaining healthy muscle mass4 throughout your life span and supporting the form and function of skeletal muscles5.* In vitamin-D-insufficient or -deficient individuals (41% and 29% of the U.S. population6, respectively), vitamin D supplementation has even been shown to improve muscle strength.* 

Check on your vitamin D status—taking a look at your micronutrient intake might be the next step to reaching your fitness goals.


Supports antioxidant activity and longevity

Promoting musculoskeletal longevity isn't the only way vitamin D can help bolster a long, healthy life—a recent 7Cureus7 study7 suggests that D plays a part in antioxidant activity, as well.* 

Evidence from the study indicates that individuals with sufficient vitamin D levels are more likely to experience healthy antioxidant balance, while those with deficient levels are more likely to see increased oxidative stress.* 


Fertility and reproductive health support

When it comes to reproductive health and fertility support, vitamin D is involved in everything from erectile function8 and sperm motility9 to conception10 and pregnancy11 (for both mama and baby).*

While still ongoing, this up-and-coming area of research suggests that both women and men can benefit from the reproductive support that vitamin D supplementation can provide.*


Oral health support

It turns out vitamin D plays a massive role in both tooth and overall oral health—a fact that should not be shocking given its role in bone integrity and immune function but surprised us nonetheless.* 

Indeed, this essential vitamin plays a part in maintaining strong tooth enamel12supporting the oral immune response13, and promoting healthy gums14.* In other words: Vitamin D is the secret weapon your dentist might not be telling you about! 


Gut health

Make way, probiotics—there's another gut-supporting supplement in town! While a high-quality probiotic is still our No. 1 tool for promoting a healthy GI tract, it turns out vitamin D plays a part in diversifying the gut microbiome as well.* 

However, it's worth noting that as much as vitamin D helps with overall gastrointestinal health, a healthy gut is also vital for proper vitamin D absorption—so make sure you're covering all your bases for optimal results!* 


Cognitive and mood support

Vitamin D receptors are located throughout the nervous system, indicating vitamin D is a key player in supporting nervous system function and brain health.*

As it turns out, research evidence reveals that vitamin D sufficiency promotes overall cognitive functionbrain development15, and even mood balance—making it a powerful tool for your noggin when it comes to both function and mental well-being.* 

The takeaway

Vitamin D has a role to play in just about every system throughout the body. While bone health and immune support may be vitamin D's best-known contributions to our well-being, this essential nutrient has so much more to offer.* 

To fully support your whole-body health, consider adding a high-quality vitamin D3 supplement—like mindbodygreen's vitamin D3 potency+ (hello, organic, sustainable D3 with built-in absorption technology)—to your daily wellness routine to promote sufficient vitamin D levels.* And for more supplement recommendations, check out our vitamin D roundup.

If you are pregnant, breastfeeding, or taking medications, consult with your doctor before starting a supplement routine. It is always optimal to consult with a health care provider when considering what supplements are right for you.
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