Benefits of vitamin D
It should come as no surprise that vitamin D might slow down biological aging, because it’s known to counteract some of the problems that come with it. For example, vitamin D may help combat the loss of bone density and muscle strength that often comes with age. Some research suggests it may also reduce your risk of cancer, type 2 diabetes, and cognitive decline.
Considerations
Getting too much vitamin D can do more harm than good, so it’s important to stay within a safe range. This is typically a maximum of 4,000 IU per day for adults (from all sources combined). Keep in mind, too, that vitamin D supplements can interact with certain medications. Ultimately, if you’re not getting enough of the sunshine vitamin from food and sunlight, supplements are a bright way to get a boost—just make sure to check with your healthcare practitioner to assess your unique needs.