This study concluded that eating a daily average of 1.3 egg yolks for 4.5 weeks increased blood levels of lutein by 28 - 50 % and
zeaxanthin by 114 % -142 %.
Not exact matches
Studies show that lutein and
zeaxanthin can benefit eye health
by decreasing the risk of cataracts and age - related macular degeneration, two common causes of vision loss in older adults (36).
♥ Asparagus provides phytonutrients, such as beta - carotene, lutein and
zeaxanthin, which are antioxidants that protect cells against the oxidative damage caused
by free radicals.
The yolk contains lutein,
zeaxanthin, vitamin A, and zinc — all great for improving eyesight
by supporting the retina in the eye.
Scientists now know that lutein and
zeaxanthin act as natural antioxidants and absorb damaging blue light (such as that emitted
by computer screens) and ultraviolet light from the sun.
While you can get some lutein and
zeaxanthin from food, research shows that
by supplementing with high doses of these nutrients, you can actually rebuild macular pigment receptors, strengthen eye cell membranes and improve your visual acuity.
The risk of glaucoma, the second leading cause of blindness, appears to be dramatically reduced
by kale or collard greens consumption, thanks to the phytonutrient pigments lutein and
zeaxanthin.
And so,
by filtering out that blue haze, on a clear day standing on top of a mountain, individuals with high macular pigment — lutein and
zeaxanthin phytonutrients from greens — may be able to distinguish distant mountain ridges up to 27 miles further than individuals with little or no pigment.
Since neither lutein nor
zeaxanthin can be converted
by the body into retinoids, however, the presence of these carotenoids does not help eggs move up on our ranking list (although they still do not do too badly at number 37 out of more than 125 foods).
Besides ingesting lutein in supplement form, you can also reap its benefits from consuming a wide variety of foods such as egg yolks, kale, corn, kiwi, grapes, zucchini, and other green leafy vegetables.1 Lutein
by Douglas Labs contains lutein as well as
zeaxanthin which is another important carotenoid.
The antioxidants lutein and
zeaxanthin protect your eyes from damage caused
by exposure to blue light.
Lycopene is the most potent carotenoid antioxidant, followed
by beta - carotene, cryptoxanthin, lutein and
zeaxanthin.
On the list of potential carotenoids provided
by bell peppers are alpha - carotene, antheraxanthin, beta - carotene, capsanthin, capsorubin, cryptoflavin, cryptoxanthin, lutein, lycopene, vicenin, and
zeaxanthin.