Unfortunately, that number is predicted to grow to 13.8 million within the next 40 years.

Growing evidence suggests vitamin D deficiency and cognitive decline are intrinsically linked.

How did these individuals become vitamin D deficient in the first place?

Morgan Chamberlain

So, we’re left with supplementation.

(Bonus points if the healthy fat is built right into your supplement!)

Need some help finding a product that fits the bill?

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Check out our roundup of thebest vitamin D supplements.

An easy way to help maintain cognitive function later in life?

Take aneffective vitamin D3 supplementyour future self will thank you for supporting your brain health and longevity.