Are Nightshade Vegetables Really Bad?

Less Common Edible Nightshades

Tamarillo tomato tree plants produce a fruit that resembles a tomato, are less common nightshades, but also part of the family. They are sometimes used in salsas or made into jams and jellies.

Naranjilla plants are ones to look out for if you’re from or travelling to Central or South America. These plants, which are exotic to Americans, Canadians and Europeans, are quite common to those in Latin America. The fruit is made into a juice called lulo, sherbert, wine and ice cream.

Pepino melons, common in the Andes, is often eaten fresh and tastes like a honey dew melon.

Are Nightshades Really Bad?

You’ll find many doctors claiming that nightshades aren’t good for you by doing a simple Google search of “nightshades and arthritis.” However, triggers for arthritis seem to vary by person and it is difficult for all doctors to agree. Some doctors claim high saturated fats and processed food cause arthritis pain whilst others blame sugar, while others simply believe it is different depending on the patient.

While some patients may find nightshades do a number on their body, and although it is widely perpetuated, (which has been medically reviewed) had this to say on the subject in July of 2013: “While there is anecdotal evidence that some of these foods can be related to inflammation, there is no solid scientific evidence to support this concept.”

Similarly, Dr. Larry Linder wrote in Arthritis Today, “[Nightshade vegetables and fruit] contain a chemical called solanine, which has been branded a culprit in arthritis pain, but no formal research has ever confirmed the claim. In fact, the latest credible research suggests that nightshade vegetables might actually help reduce arthritis symptoms. Earlier this year, a study in the Journal of Nutrition showed that both yellow and purple potatoes reduced blood markers for inflammation in healthy men. Other research, including the Johnston County Osteoarthritis Project in North Carolina, published in the journal Public Health Nutrition, found that people with the highest serum levels of an antioxidant in tomatoes called lutein were 70 percent less likely to have osteoarthritis. People with arthritis may actually benefit from nightshades.”


So What Should I Eat?

While there is no specific diet for RA, doctors have found that many people benefit from eating foods that emphasize fish, nuts, vegetables and olive oil. Foods that contain Omega 3 (like salmon for example) help lubricate joints and reduce inflammation. It is also recommended to reduce nightshades for two weeks, or cutting them completely, to see if it helps symptoms. If symptoms reduce, then consider permanently banning them from your diet. If they don’t, then continue carry on eating them, but focus on a diet with limited processed foods that is rich in nutrients.

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