If your physician has recommended a genotype-directed nutritional therapy for macular degeneration, Advanced Theraceuticals offers a Zinc & Copper Formula. If your Physician has recommended a genotype-directed nutritional therapy for macular degeneration or if you are adding zinc to your diet for increased immunity, Pro-Optic is available as a Zinc & Copper formula. We only use chelated zinc in our formulas – which means better tolerability and increased absorption.