Lectin allergy problems are associated with the protein lectin.

Lectin is found the the nightshade family of plants, including:

• Tomatoes
• Potatoes (not yams or sweet potatoes)
• Eggplant
• Bell peppers
• Tobacco

Other Lectin-foods include:

• Soy
• Peanuts

Besides their high lectin content, peanuts, and especially soy have other negative health effects for a wide range of people.

Lectin and Celiac

More common than an allergy to lectin, are problems associated with gluten sensitivity.

If you have a gluten allergy or are celiac, lectin-containing foods are best avoided

Lectin is somewhat similar to gluten, and can be problematic for anyone who is on a gluten-free diet.

If you have a gluten allergy or are celiac, your immune system can confuse lectin with gluten, triggering an immune response to lectin, and possibly causing similar reactions as gluten causes.

Lectin and Autoimmune Disease

Autoimmune diseases such as arthritis can be triggered by lectin. 

For this reason, if you have an autoimmune disease, your health will be much better if you avoid lectin-containing foods such as nightshade family plants, soy, and peanuts.

If you have arthritis, eliminating lectin-containing foods is very likely to drastically reduce, or even eliminate symptoms.

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