- Herbal & Plant-Based Diet – Antiviral Diet to Strengthening Immune System and Preventing Viral Infections by Raymond Gomez. Price: Free. Genre: Herbal Remedies, Diets & Weight Loss, Vegetables & Vegetarian, Non-Vegan Vegetarian, Health, Fitness & Dieting. Rated: 4.6 stars on 7 Reviews. 66 pages. ASIN: B01BLYC44I.