The Arthritis Nightshades Research Foundation
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Reply with quote  #1 

Does anyone have a complete list of nightshade vegetables?  I can't find if strawberries. cherries, and blueberries are considered nightshades.  Also is corn considered nightshade?  how about tamarind and citrus fruit?


Posts: 5
Reply with quote  #2 
Does anyone have a complete list of nightshade vegetables?  I can't find if strawberries. cherries, and blueberries are considered nightshades.  Also is corn considered nightshade?  how about tamarind and citrus fruit?

Nightshades we eat: potatoes, not sweet potatoes or yams, tomatoes,gogi berries, eggplant, all peppers (bell, green, hot, etc) except: black pepper the kind on your table next to the salt.

Strawberries, cherries, blueberries, non of the citrus fruits, only what is mentioned above are nightshades.  There is nearly a 100 types of nightshades, such a mandrake, or deadly nightshade, but we do not eat them.

I've started a list on my website:

Michael Fowler

Michael Fowler
Author: Nightshade Free Pain Free!

Posts: 3
Reply with quote  #3 
Solanine is the poison contained in all nightshade plants such as tomatoes and potatoes. As it turns out, the healthy divine little blueberry fruits are not a nightshade plant, but they DO contain solanine. Other non-nightshade plants that contain solanine include huckleberries, okra, artichokes and ground cherries.

Some friends recently gave me a gallon of blueberries and I learned the hard way that they can inflict arthritic PAIN.



Posts: 7
Reply with quote  #4 
Solanine is a natural content in plants which help them to avoid people and animals from eating them. For details you can visit  and for other diet to be not taken visit

There is also a updated article about fats, carbohydrates and nightshade vegetable on

Posts: 8
Reply with quote  #5 

I also started keeping a list and just posted to my journal what I have in my list in my iPhone app - I keep it in my phone so that I have it while grocery shopping.  I can't remember where I found all of the references, though, since my iPhone has a tiny screen and I don't keep a ton of notes along with the foods I'm avoiding. 


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Reply with quote  #6 

Tobacco is also a nightshade. Nightshades should also be avoided by people who suffer from Psoriasis.


Posts: 23
Reply with quote  #7 
I've read all the info listed in this forum, including Michael Fowler's great bookNightshade Free, Pain Free, Jenifer's excellent detailed list of hidden sources on her journal, and's recommendations.  For myself, I am following Michael's, Jenifer's, ronmauldin's and Dr. Neal Barnard's food recommendations. 

I have to disagree with some of the cure2arthritis' website diet recommendations (posted above). Apples contain solanine; I was able to identify my solanine sensitivity this fall, in part, after going apple picking. Also, citrus fruits are a common food trigger for some arthritis patients.  Lastly, carbohydrates should not be confused with complex carbohydrates.  Dr. John A. McDougal ( has cured patients of their arthritis and diabetes by switching them to a whole foods, starch and vegetable based diet. 

The trouble I had identifying food sensitivities is there is too much conflicting and incomplete information both in print and on the web.  Some authors advocate foods that are high in antioxidents as anti-inflammatory cures, not realizing that some people have sensitivities to these foods (example blueberries). In addition to all the nightshade and solanine sources, arthritis patients also need to determine if they react to other food triggers, common ones being Dairy, Corn, Meats and Fish, Wheat, Oats, Rye, Eggs, Citrus Fruits, Nuts, Coffee, Sugars (from processed carbohydrates, cane sugar and glucose/fructose in fruits, honey, agave nectar, maple syrup; Less common triggers could be alcohol, bananas, onions, chocolate, malt, soy, certain spices (cardamom, coriander, mint). Dr. Neal Barnard has some interesting comments and research in his book, Foods That Fight Pain.

Why certain foods are triggers is not as important as first determining what your triggers are with a strict elimination diet for 3 months. There is info out there about lignans in foods and intestinal permeability.  I'm not sure what to make of this, but am currently following old-fashioned cooking methods of overnight soaking of dried beans and rice (and may consider nuts when I am through with my current elimination diet).

I am also trying to improve my condition by avoiding as many pesticides as possible and genetically-modified foods (if I add coffee back into my diet, I'm buying organic; coffee is a crop sprayed with a large amount of pesticides). An organic, unprocessed, vegan diet that avoids a host of foods may seem extreme, but by being this strict, I've eliminated my extreme pain.

To verify non-solanaceae foods that contain solanine, I've contacted food scientists and my state's Cooperative Extension Service and am waiting for a response (will post if find info-UCONN food scientists & a nutritionist at CT's Coop Exten Serv did verify that "apples & some berries" contain solanine.  Still waiting for more info from them).

Posts: 23
Reply with quote  #8 
There is a group of nightshade plants with the Latin name Physalis, one of which is commonly known as the Ground Cherry, and has been "nicknamed" the Strawberry Tomato. The fruit looks like a small, yellow cherry tomato and grows inside a paper husk, and the taste has been described as similar to sour strawberries, hence the nickname. These nicknames cause people to question regular cherries grown on trees (bing, sour) and regular strawberries. 

I don't know if they contain solanine (doubtful-think it's mistaken with nickname & reported erroneously) but regular strawberries and citrus fruits have been associated with bladder pain felt by patients with cystitis.
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