Brewer's Best Natural Flavour Extracts, 4 oz Sale! from $9.99 $9.99 Flavour Blueberry Blood Orange Chocolate Cherry Espresso Bean Grapefruit Habanero Lemon Lime Mango Peach Peanut Butter Pineapple Raspberry Watermelon Qty. Add to Cart High-quality natural flavourings for beer, wine, mead, and other beverages. Recommended dosages are on the individual bottles, but as a starting point, add 1 oz per gallon (3.84 litres).