More Birds Health Plus Ready To Use Hummingbird Nectar Natural RedNow you can offer red nectar to hummingbirds without the fear of artificial dyes with More Birds Bird Health+ 64 oz Natural Red Ready to Use Hummingbird Nectar! The added carmine provides a natural red coloring without any artificial dyes or flavors. Vitamins and calcium are added to promote successful egg hatching. More Birds nectars are made from a blend of natural sugars found in flowers that birds feed from. No artificial dye or flavor naturally