Powerful Vitamin Secret Reverses Prediabetes
When you’re trying to dodge diabetes, even small improvements can help.
About one in three Americans has prediabetes—and 70 percent of them will go on to develop full-blown diabetes.
That is… unless steps are taken to stop it.
Fortunately, it’s easier than you might think.
Here’s where vitamin D comes in…
Vitamin D is a jack of all trades. It’s excellent for your bones, immune system, heart, and brain. It even helps prevent cancer.
And if you’re trying to watch your blood sugar… vitamin D can help with that, too.
Researchers recently completed an analysis of 10 clinical trials involving people with prediabetes. They found that overall, those who took vitamin D were more likely to reach normal blood sugar levels compared to those on a placebo.
More specifically, 18.5 percent of prediabetics who took vitamin D ended up reversing their prediabetes.
If we applied those numbers to the approximately 97.6 million Americans living with prediabetes, that would add up to more than 18 million people who were able to avoid developing diabetes.
There’s a lot we still don’t know about how vitamin D impacts blood sugar and diabetes risk. Still, we know it’s been linked to a lower risk of insulin resistance and that it fights inflammation—two underlying factors in prediabetes and type 2 diabetes.
Of course, there are plenty of other factors that impact blood-sugar control. But in the quest to improve your health—and achieve better blood sugar—small changes can have a big impact. And getting enough vitamin D is one of the simplest places to start.
The best way to do that is by spending more time in the sun.
Start with 10 to 15 minutes daily. If blood tests show that your vitamin D levels are still low (I advise patients to aim for at least 60 ng/mL), then you can take a supplement to help give them a boost.
P.S. For additional help controlling your blood sugar, start moving more. Exercising for 150 minutes per week increases your chances of reversing prediabetes by 4.15 times.
View Sources
Kretschmer PM, Balk EM, Pittas AG. Effect of Vitamin D on Regression to Normal Glucose Regulation in Adults With Prediabetes. J Endocr Soc. 2025 Mar 3;9(5):bvaf042. doi: 10.1210/jendso/bvaf042. PMID: 40144812; PMCID: PMC11938431.
