The Truth Behind Nightshades & Why You Should Avoid Them

Do suffer from arthritis, diabetes, or inflammation? Did you know it is highly recommended for these sufferers to avoid nightshades? Nightshade fruits and vegetables belong to the Solanaceae plant family (Solanum genus). Many people are not able to digest nightshades very well. And, there are other reasons to avoid them when dealing with inflammatory diseases.

Avoiding Nightshades

Individuals with inflammation challenges should avoid eating nightshades as they tend to increase the inflammatory response within the body. For individuals with sensitivities to nightshades, other symptoms may include diarrhea, nausea, headaches, depression, and painful joints.

Which Fruits & Veggies are Nightshades?

  • Potatoes (except sweet potato, yam)
  • Tomatoes
  • Eggplant
  • Gogi berries
  • Cape gooseberries (excludes normal gooseberries)
  • Ground cherries
  • Hot peppers
  • Chili peppers
  • Sweet peppers
  • Paprika

Alkaloids in Nightshades

Alkaloids (natural insect repellant) are found in nightshades, including solanine. This substance has been studied medically, and it blocks cholinesterase which helps the nervous system to function properly. When cholinesterase is blocked, more pain and stiffness is experienced. A buildup of acetylcholine can also result in the process, causing a “jam” within the nervous system itself. Other alkaloids found in nightshades can also be harmful to body.

Unhealthy Levels of Calcitriol

Another issue with eating nightshades is increasing levels of calcitriol. Calcitriol is a hormone which naturally lets the body know how much calcium is needed. Too much calcitriol in the body will “create havoc” by allowing too much calcium into the bloodstream. When this happens, calcium deposits are added to soft tissues, tendons, and ligaments. The deposits can be harmful creating damage to the musculoskeletal system.

High in Lectins

Nightshades are high in lectins, and the “sticky” molecules tend to adhere to the intestinal wall. The gut can begin to “leak” when the molecules (along with undigested carbs) do not exit properly through the digestive system.

Consider Eliminating (or Limiting) Nightshades if You have the Following:

  • Arthritis
  • Diabetes
  • Osteoporosis
  • Gout
  • Auto-immune diseases
  • Chronic inflammation

Nightshades: Making the Decision

Foods, we tend to eat every day have nightshades in them. For example, pizza is an all-time favorite, but it has tomato sauce on it and can also include peppers. BBQ sauce contains nightshade ingredients as well as chili and ketchup.

If you suffer from any of the conditions listed above, you should consider eliminating nightshades. Limiting them would be the next best thing.

So what if you still want to eat them? What can you do? Consider the following tips for eating nightshades, if you must.

  • Choose nightshades which are ripened. The more ripe they are, the better. This reduces solanine levels within the fruit or vegetable. For example, choose red peppers over green ones.
  • Choose to cook nightshades. The process of cooking will reduce the alkaloids by nearly fifty percent. Also during cooking, lectins are degraded.
  • Moderation is a must and adding more variety to the diet will help to place limits on nightshade consumption. Consuming nightshades every day will create more sensitivity to the foods. This can also mean more challenges in health along with the development (or aggravation) of arthritis, diabetes, and other inflammation related diseases.



Dr. Colbert recommends his 21 Day Detox Program to help with inflammation in the body. For more information on Dr. Colbert’s 21 Day Detox Package, call us at 407-732-6952 or visit our website by clicking here! To purchase Fermented Green Supremefood, click here!

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