Wall Street Journal Over the years the company tweaked the feed recipe to boost vitamins D and B-12 and added marigold and alfalfa meal to increase lutein —a nutrient found in green leafy vegetables that can give yolks a bright yellow, not orange color. A small group of ... 更多 »
VOXXI Improved eye health from a high concentration of lutein and zeaxanthin, antioxidants associated with prevention of age-related macular degeneration. Improved digestive health from a high fiber content, which prevents constipation and lowers risk of ...