Essential for Thai cooking! Gluten free. Authentic Thai taste. An essential element of Thai cooking, use Fish Sauce instead of soy sauce or salt. Add a tablespoon to curries to bring out their full flavor. Put a dash into stir-frys, noodle dishes, and fried rice for the true taste of Thai. Preservative free. Trans fat free. MSG free. Clear salt crystals may form inside the bottle. This does not affect product quality.