Doctor Tipster It is more powerful than other foods which help in improving eyesight, such as lutein , zeaxanthin, or bilberry. Black currant provides highest level of anthocyanins- 190 to 270 mg per hundred grams. This is the highest anthocyanin level that you will ...
NutraIngredients-usa.com Katra is a Pioneer in Lutein and trans-Zeaxanthin combinations. Its flagship product, XanMax ® , gives you a distinct advantage versus market leaders. Many lutein patents have expired globally, but Katra's patents are valid up to 2030. Granted as ... 更多 »
