Examples of Natural Antihistamines: Vitamin C: Found in citrus fruits, berries, and vegetables Quercetin: Found in onions, apples, and berries Probiotics: Found in yogurt, sauerkraut, and kimchi Stinging nettle: An herb with anti-inflammatory properties Eucalyptus oil: An essential oil with antimicrobial and antihistamine effects Turmeric: A spice with curcumin, a compound with antihistamine properties Lemon balm: An herb with calming and antihistamine effects Honey: May have antihistamine properties, but more research is needed How to Use Natural Antihistamines: Consume foods rich in vitamin C and quercetin: Include fruits, vegetables, and nuts in your diet.