Individuals with joint pain, particularly rheumatoid joint inflammation, regularly figure they ought to stay away from tomatoes and other nightshade vegetables (eggplant, potatoes, and peppers, for instance) since they can make aggravation that leads joint torment. The thought might come from the way that this plant family contains a compound called solanine, which in huge sums can be harmful. However, the sum found in nightshade vegetables is incredibly low. There’s no examination that shows that nightshades cause irritation. Truth be told, it’s the exact inverse. “The phytochemicals in tomatoes have a strong mitigating impact,” Bontempo says.