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Source Naturals® Zeaxanthin With Lutein

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30 Capsules

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Description
Zeaxanthin and Lutein , two powerful antioxidants found in fruits and vegetables, selectively concentrate in the retina of the eye to form the macular pigment levels may provide retinal protection against oxidative stress caused by normal UV exposure on the aging eye.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Supplement Facts

1 capsule daily with a meal.

Serving Size 1 Capsule
Servings Per Container 30
Amount Per Serving % DV
Vitamin C (from zeaxanthin) 2.00 mg 4%
Lutein (as Fragile® Marigold Flower Extract 5%) 6.00 mg **
Zeaxanthin 4.00 mg **
** Daily Value (DV) not established

Other Ingredients: Maltodextrin, Gelatin (capsule), Red Beet Powder, Magnesium Stearate, Colloidal Silicon Dioxide

No Yeast, dairy, egg, gluten or wheat, sugar, salt, preservatives or artificial color, flavor or fragrance.

Storage Instructions: Store in a cool, dry place.

Warning: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Source Naturals, INC. P.O. Box 2118 Santa Cruz, CA 95062

Health Notes

Lutein

Lutein
This nutrient has been used in connection with the following health goals
  • Reliable and relatively consistent scientific data showing a substantial health benefit.
  • Contradictory, insufficient, or preliminary studies suggesting a health benefit or minimal health benefit.
  • For an herb, supported by traditional use but minimal or no scientific evidence. For a supplement, little scientific support.

Our proprietary "Star-Rating" system was developed to help you easily understand the amount of scientific support behind each supplement in relation to a specific health condition. While there is no way to predict whether a vitamin, mineral, or herb will successfully treat or prevent associated health conditions, our unique ratings tell you how well these supplements are understood by the medical community, and whether studies have found them to be effective for other people.

For over a decade, our team has combed through thousands of research articles published in reputable journals. To help you make educated decisions, and to better understand controversial or confusing supplements, our medical experts have digested the science into these three easy-to-follow ratings. We hope this provides you with a helpful resource to make informed decisions towards your health and well-being.

This supplement has been used in connection with the following health conditions:

Macular Degeneration
Dose: 6 to 10 mg daily
Lutein and zeaxanthin are antioxidants that protect the retina from damage caused by sunlight. Lutein has been shown to help people with both early and advanced stages of the disease.(more)
Cataracts
Dose: 15 mg three times per week
People with high intakes of the carotenoid lutein have been reported to be at a low risk for cataracts.(more)
Retinitis Pigmentosa
Dose: Refer to label instructions
(more)
Macular Degeneration
Dose: 6 to 10 mg daily
Lutein and zeaxanthin are antioxidants that protect the retina from damage caused by sunlight. Lutein has been shown to help people with both early and advanced stages of the disease.(more)
Macular Degeneration
Dose: 6 to 10 mg daily

Lutein and zeaxanthin are antioxidants in the carotenoid family. These carotenoids, found in high concentrations in spinach, collard greens, and kale, have an affinity for the part of the retina where macular degeneration occurs. Once there, they protect the retina from damage caused by sunlight.1

Harvard researchers reported that people eating the most lutein and zeaxanthin-an average of 5.8 mg per day-had a 57% decreased risk of macular degeneration, compared with people eating the least.2 While spinach and kale eaters have a lower risk of macular degeneration, blood levels of lutein did not correlate with risk of macular degeneration in one trial.3, 4 In a double-blind study of people with macular degeneration, supplementation with lutein (10 mg per day) for one year significantly improved vision, compared with a placebo.5 Lutein was beneficial for people with both early and advanced stages of the disease. Lutein and zeaxanthin can be taken as supplements; 6 mg per day of lutein may be a useful amount.

References

1. Bone RA. Landrum JT. Distribution of macular pigment components, zeaxanthin and lutein, in human retina. Methods Enzymol 1992:213:360-6.

2. Seddon JM, Ajani UA, Sperduto RD, et al. Dietary carotenoids, vitamins A, C, and E, and advanced age-related macular degeneration. JAMA 1994;272:1413-20.

3. Blumenkranz MS, Russell SR, Robey MG, et al. Risk factors in age-related maculopathy complicated by choroidal neovascularization. Ophthalmology 1986:93:552-8.

4. Mares-Perlman JA, Brady WE, Kleain R, et al. Serum antioxidants and age-related macular degeneration in a population-based case-control study. Arch Ophthalmol 1995;113:1518-23.

5. Richer S, Stiles W, Statkute L, et al. Double-masked, placebo-controlled, randomized trial of lutein and antioxidant supplementation in the intervention of atrophic age-related macular degeneration: the Veterans LAST study (Lutein Antioxidant Supplementation Trial). Optometry 2004;75:216-30.

Cataracts
Dose: 15 mg three times per week

People with low blood levels of antioxidants and those who eat few antioxidant-rich fruits and vegetables have been reported to be at high risk for cataracts.1, 2

People who eat a lot of spinach and kale, which are high in lutein and zeaxanthin, carotenoids similar to beta-carotene, have been reported to be at low risk for cataracts.3, 4 Lutein, zeaxanthin, and beta-carotene offer the promise of protection because they are antioxidants. It is quite possible, however, that lutein is more important than beta-carotene, because lutein is found in the lens of the eye, while beta-carotene is not.5 In one preliminary study, lutein and zeaxanthin were the only carotenoids associated with protection from cataracts.6 People with the highest intake of lutein and zeaxanthin were half as likely to develop cataracts as those with the lowest intake. In another study, supplementation with 15 mg of lutein three times a week for one year significantly improved visual function in a small group of people with age-related cataracts.7A double-blind trial found that supplementing with lutein and zeaxanthin did not prevent the development or progression of cataracts in people who had age-related macular degeneration. However, in the subgroup of patients with low dietary intake of lutein and zeaxanthin (20th percentile or lower) supplementing did exert a protective effect against cataracts.8

References

1. Jacques PF, Chylack LT Jr. Epidemiologic evidence of a role for the antioxidant vitamins and carotenoids in cataract prevention. Am J Clin Nutr 1991;53:352S-5S.

2. Knekt P, Heliovaara M, Rissanen A, et al. Serum antioxidant vitamins and risk of cataract. BMJ 1992;305:1392-4.

3. Hankinson SE, Stampfer MJ, Seddon JM, et al. Nutrient intake and cataract extraction in women: a prospective study. Br Med J 1992;305(6849):335-9.

4. Chasan-Taber L, Willett WC, Seddon JM, et al. A prospective study of carotenoid and vitamin A intakes and risk of cataract extraction in US women. Am J Clin Nutr 1999;70:509-16.

5. Yeum K-J, Taylor A, Tang G, Russell RM. Measurement of carotenoids, retinoids, and tocopherols in human lenses. Ophthalmol Vis Sci 1995;36:2756-61.

6. Lyle BJ, Mares-Perlman JA, Klein BE, et al. Antioxidant intake and risk of incident age-related nuclear cataracts in the Beaver Dam Eye Study. Am J Epidemiol 1999;149:801-9.

7. Olmedilla B, Granado F, Blanco I, Vaquero M. Lutein, but not alpha-tocopherol, supplementation improves visual function in patients with age-related cataracts: a 2-y double-blind, placebo-controlled pilot study. Nutrition 2003;19:21-4.

8. Chew EY, SanGiovanni JP, Ferris FL, et al. Lutein/zeaxanthin for the treatment of age-related cataract: AREDS2 randomized trial report no. 4. JAMA Ophthalmol 2013;131:843?50.

Retinitis Pigmentosa
Dose: Refer to label instructions
Macular Degeneration
Dose: 6 to 10 mg daily

Lutein and zeaxanthin are antioxidants in the carotenoid family. These carotenoids, found in high concentrations in spinach, collard greens, and kale, have an affinity for the part of the retina where macular degeneration occurs. Once there, they protect the retina from damage caused by sunlight.1

Harvard researchers reported that people eating the most lutein and zeaxanthin-an average of 5.8 mg per day-had a 57% decreased risk of macular degeneration, compared with people eating the least.2 While spinach and kale eaters have a lower risk of macular degeneration, blood levels of lutein did not correlate with risk of macular degeneration in one trial.3, 4 In a double-blind study of people with macular degeneration, supplementation with lutein (10 mg per day) for one year significantly improved vision, compared with a placebo.5 Lutein was beneficial for people with both early and advanced stages of the disease. Lutein and zeaxanthin can be taken as supplements; 6 mg per day of lutein may be a useful amount.

References

1. Bone RA. Landrum JT. Distribution of macular pigment components, zeaxanthin and lutein, in human retina. Methods Enzymol 1992:213:360-6.

2. Seddon JM, Ajani UA, Sperduto RD, et al. Dietary carotenoids, vitamins A, C, and E, and advanced age-related macular degeneration. JAMA 1994;272:1413-20.

3. Blumenkranz MS, Russell SR, Robey MG, et al. Risk factors in age-related maculopathy complicated by choroidal neovascularization. Ophthalmology 1986:93:552-8.

4. Mares-Perlman JA, Brady WE, Kleain R, et al. Serum antioxidants and age-related macular degeneration in a population-based case-control study. Arch Ophthalmol 1995;113:1518-23.

5. Richer S, Stiles W, Statkute L, et al. Double-masked, placebo-controlled, randomized trial of lutein and antioxidant supplementation in the intervention of atrophic age-related macular degeneration: the Veterans LAST study (Lutein Antioxidant Supplementation Trial). Optometry 2004;75:216-30.

Lutein is an antioxidant in the carotenoid family (a group of naturally occurring fat-soluble pigments found in plants). Lutein is the primary carotenoid present in the central area of the retina called the macula.

Copyright 2014 Aisle7. All rights reserved. Aisle7.com

The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2015.

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      Comments about Source Naturals® Zeaxanthin With Lutein:

      This is the first product I've found that incorporates the latest research which indicates benefits from the ratio of lutein to zeaxanthan.

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