Anti-aging supplements have reached new heights, with billions, even trillions, of dollars changing hands. But what do we really know about their benefits and risks?

Now, people are turning to a natural supplement: Ashwagandha. You can find it in pills, drops, and drinks.

Magnesium comes from food or supplements and our lifestyle works against us when it comes to absorbing this mineral.

The gut microbiome is very complex and products to improve your gut health are everywhere.

Several recent studies have looked at the impact of vitamin D and zinc on COVID-19. One study of 489 people found that those who had a vitamin D deficiency were more likely to test positive for the virus. The most notable, President Trump, received a mixture of vitamin D and zinc along with a number of other experimental drugs. Ask your doctor for a blood test to determine how much vitamin D you may need with an over-the-counter pill. Vitamin D deficiency is particularly common among Hispanic and black people, two groups who have been disproportionately affected by COVID-19, according to the Mayo Clinic.