Yellow peppers contain a variety of phytonutrients: flavonoids, carotenoids and hydroxycinnamic acids. They help to prevent macular degeneration and heart attacks, reports North Dakota State University. Additionally, yellow peppers provide vitamins A, C and E. You can grow yellow peppers, sweet or hot, in a container on your patio or in your garden. To preserve the benefits of yellow pepper, avoid boiling them and peel as little as possible.
Yellow bell peppers may be partially or fully ripe, depending on the variety. Varieties that are fully ripened at the yellow stage are sweeter and have a higher level of antioxidants than peppers at a middle stage of development. Antioxidants help the body to get rid of free radicals, which are responsible for a variety of cancers and diseases, including arthritis and heart disease, according to University of Illinois Extension.
Scotch Bonnet, classified as a "super hot chile" grows in the warmer Caribbean region. Frost damages the plant. Depending on the variety, a ripe Scotch Bonnet may be yellow, orange or red. Cooks use it to create hot sauce and flavor ethnic dishes. The pharmaceutical industry is testing this variety for arthritis treatments, notes Florida A&M University.
The Hungarian Yellow Hot Wax pepper tastes both sweet and hot. It belongs to the chile pepper family. The peppers grow about 6 inches long and look like a yellow carrot with a tapered point on the end. While this variety is a chile pepper, it is one of the milder specimens within the category.