Food colouring is non nutritive and is not absorbed (at least not too much) in the body. This is why it passes straight through.
the smart thing to do would be to buy 1 orange food coloring.
food coloring
the food coloring
The dyes in the food that they eat.
In food coloring it is about 5 drops of yellow to one drop of red food coloring.
by adding orange food coloring to white icing
orange
no....it just colors the food
Food coloring and flavors
equal parts of primary colors - red, blue & yellow
food coloring, oil
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