Our food coloring is free from artificial colors and made by nature. Derived from pure vegetable juice, turmeric and spirulina extract. Shake before use. Red Food Coloring: For optimal performance in baking preparation add 2 tsps of cream of tartar to dry mix, then color as desired. Best results seen with recipes that include whole eggs.Green Food Coloring: color changes may be noticed if baked at a temperature greater than 350 degrees.- Gluten Free- FD&C Dye Free- No Artificial Colors- Made in the USA- Includes red, yellow, green and blue Traditional Uses For Colored Eggs:EGG PREP: Hard boil eggs with 1 tablespoon vinegar and let eggs cool.COLORING: In a cup or bowl, ADD ½ cup water, 1 teaspoon Watkins Food Coloring and 1 teaspoon vinegar.DIP hard-cooked eggs about 15 minutes or longer if a darker shade is desired. Stir every 5 minutes. Transfer to wire rack to dry.Basic Blending: Lightly squeeze sides of bottle adding color drop by drop to obtain desired shade. Color results may vary in baked goods; test in a small amount of batter before using. Complete Product Ingredient List Red: Glycerin, invert sugar, water, vegetable juice, citric acid, potassium hydroxide.Yellow: Glycerin, water, polysorbate 80, turmeric.Green: Water, glycerin, polysorbate 80, trehalose, spirulina extract, turmeric, sodium citrate.Blue: Glycerin, water, trehalose, spirulina extract, sodium citrate.