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Bell Peppers, Eggplant, and Tomatillos
A corner of the wellness internet has spent forty years telling people to skip peppers, eggplant, and tomatillos because they're "nightshades" and therefore inflammatory. That claim traces to one man's 1970s diet anecdote and has never survived a controlled trial Childers 1993. Meanwhile half a red bell pepper covers a full day of vitamin C, more per gram than an orange USDA FDC 2019. These are three cheap, under-eaten vegetables carrying chemistry leafy greens don't have. Eat them.
Do ยท Weekly Evidence Emerging Chapter Food

Red bell pepper is the cheapest dense vitamin C in the aisle. Raw red flesh runs 128 to 190 mg per 100 g; an adult needs 75 to 90 mg a day, so half a medium pepper covers it 1 2. Green is just the unripe, cheaper version with less of it.

Eggplant keeps its best chemistry in the peel. The purple skin holds nasunin, a strong antioxidant; peel it and you throw that half away 3.

Vitamin C alongside iron is one of nutrition's most replicated findings. Eat it with a plant-iron meal (lentils, spinach, beans) and you absorb roughly two to three times as much iron 4.

No dose, no ritual. Just rotate them into a normal week.

The wins are quiet and real.

  • Within a week: more iron off your lentils, and a smaller mid-afternoon crash if you lead meals with the vegetables. Useful in any vegetarian or menstruating woman.
  • Within a month: vitamin C status off the deficiency floor โ€” measurable in plasma, visible in how cuts and bruises heal.
  • Over years: three more plant species a week sits on the right side of the largest gut-diversity gradient measured 7, and the lutein tracks with lower long-term macular-degeneration risk 8.

Plus you get moussaka, ratatouille, and roasted-pepper pasta back on the table.

A real minority with autoimmune disease do report symptom changes on elimination, though the population-level claim has no evidence. If you've never actually tested it, a four-week structured cut and clean reintroduction is the only honest way to know โ€” not blanket avoidance "because autoimmune."

The fine print โ€” when to skip it, and what people get wrong

The anti-nightshade story is one horticulturist's self-published anecdote; no trial has reproduced it, and measured inflammatory markers run the other way 9. The glycoalkaloid scare is empty too: you'd need to eat ten kilograms of pepper at once to reach a toxic dose. The real food-safety rule is just "don't eat green, sprouting potatoes."

A diagnosed Solanaceae allergy is rare but real โ€” this doesn't apply to you. Birch-pollen allergy can cause mouth itching from raw pepper, usually fine cooked.

References
  1. 1USDA Agricultural Research Service (2019). FoodData Central โ€” Standard Reference Legacy (peppers and eggplant entries). link
  2. 2NIH Office of Dietary Supplements (2021). Vitamin C โ€” Health Professional Fact Sheet. link
  3. 3Noda Y, Kneyuki T, Igarashi K, Mori A, Packer L (2000). Antioxidant activity of nasunin, an anthocyanin in eggplant peels. Toxicology. link
  4. 4Hallberg L, Brune M, Rossander L (1989). The role of vitamin C in iron absorption. International Journal for Vitamin and Nutrition Research. Supplement. link
  5. 5Brown MJ, Ferruzzi MG, Nguyen ML, et al. (2004). Carotenoid bioavailability is higher from salads ingested with full-fat than with fat-reduced salad dressings as measured with electrochemical detection. The American Journal of Clinical Nutrition. link
  6. 6Shukla AP, Iliescu RG, Thomas CE, Aronne LJ (2015). Food Order Has a Significant Impact on Postprandial Glucose and Insulin Levels. Diabetes Care. link
  7. 7McDonald D, Hyde E, Debelius JW, et al. (2018). American Gut: an Open Platform for Citizen Science Microbiome Research. mSystems. link
  8. 8AREDS2 Research Group (2013). Lutein + Zeaxanthin and Omega-3 Fatty Acids for Age-Related Macular Degeneration: The Age-Related Eye Disease Study 2 (AREDS2) Randomized Clinical Trial. JAMA. link
  9. 9Konda VR, Eerike M, Raghuraman LP, Rajamanickam MK (2018). Anti-inflammatory and antioxidant activities of bell pepper (Capsicum annuum) fruit extracts. Journal of Food Biochemistry. link
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