Table 1.

Topics and keywords.

Topics	Representative keywords
Proteins	Egg, protein, meat, chicken, fish, beef, lamb, pork, ham
Whole grains	Rice, bread, wheat, corn, millet, oats, oatmeal, quinoa, flour
Fruits	Lemon, lime, citrus, juice, orange, berry, banana, apple, nuts, kiwi
Vegetables	Veggie, greens, leafy, cabbage, spinach, onion
Dairy related	Milk, yogurt, cheese, dairy, butter, kefir
Spices and herbs	Herb, pepper, cinnamon, mint, turmeric, garlic, ginger, seeds
Fluids	Water, hydrate, tea, smoothie, honey, fluid, warm, hot
Supplements	Vitamins, zinc, supplements, iron, omega, antioxidants, mineral, selenium
Avoidable foods	Beer, soda, wine, smoke, alcohol, fast food, junk, tobacco
Specialty diets	Vegan, vegetarian, herbal, ayurvedic, alkaline, keto