SKU: 21506613414

Doctor's Best Lutein from OptiLut, 10mg - 120 vcaps

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Description

Doctor's Best Lutein from OptiLut, 10mg - 120 vcapsRead more about this product What is Doctor's Best Lutein? Doctor's Best Lutein maintains healthy visual function, supports macular pigment density and supports cognitive acuity. OptiLut is 100% natural Lutein concentrate obtained from Marigold extract (Tagetes erecta) through a purification process without any chemical transformation. It supplies highly bioavailable, natural source of lutein and zeaxanthin esters. Lutein and zeaxanthin are two of the

Read more about this product

What is Doctor's Best Lutein?
Doctor's Best Lutein maintains healthy visual function, supports macular pigment density and supports cognitive acuity. OptiLut is 100% natural Lutein concentrate obtained from Marigold extract (Tagetes erecta) through a purification process without any chemical transformation. It supplies highly bioavailable, natural source of lutein and zeaxanthin esters. Lutein and zeaxanthin are two of the major carotenoids found in humans, and are highly concentrated in the retina of the human eye. Lutein is a major carotenoid found in human blood, with a high concentration in the retina of the human eye. Both lutein and zeaxanthin work synergistically to promote eye health. Lutein and zeaxanthin are also potent free radical neutralizers that contribute to the body's spectrum of antioxidant defenses.

How does it work?
Most of the beneficial effects of xanthophylls, such as lutein, are ascribed to their ability to quench reactive oxygen species and scavenge other free radical substances that are either taken in from the environment or generated internally by natural metabolic processes. There is evidence for the free radical scavenging activity of lutein is in studies of its effects on human lens epithelial cells. In one such study, cell cultures were exposed to ultraviolet (UV) light after pretreatment with lutein or alpha-tocopherol. Both nutrients were found to reduce UV-induced damage to lens epithelial cells. However, lutein was shown to have significantly higher photoprotective activity than alpha-tocopherol, demonstrating its potential as a high-powered antioxidant. Lutein has also been found to be an effective filter of "blue light," another daily source of oxidative stress on the polyunsaturated fatty acid-enriched photoreceptors of our eyes.

Why should I take Doctor's Best Lutein?
Lutein, zeaxanthin, and cryptoxanthin are yellow pigments in a class of carotenoids called xanthophylls. Since the human body does not synthesize them, we rely on dietary sources for these carotenoids. The average American consumes only 2mg of lutein & zeaxanthin per day. The best sources for these important nutrients are dark leafy-greens like spinach, collards, and kale, in addition to certain yellow-orange fruits & vegetables. Lutein, zeaxanthin, and meso-zeaxanthin are referred to as "the macular pigment," as they are the only carotenoids found in the lens and macular region of the retina of the human eye. Lutein, zeaxanthin, and cryptoxanthin are three of the most prominent carotenoids in our blood and various body tissues; their levels are largely determined by our diet. Supplementing with Doctor's Best Lutein can help maintain healthy visual function.


What is In

Doctor's Best
Lutein from OptiLut, 10mg - 120 vcaps
Food supplement in capsule form, containing Lutein and zeaxanthin
Nutrition Facts
Serving Size: 2 Veggie Capsules
Servings Per Container: 60
  Amount
Per Serving
%RI*
Lutein (as OptiLut Lutein Esters extracted from marigold flower (Tagetes erecta)) 20 mg
Trans-Zeaxanthin (as OptiLut marigold flower ext., (Tagetes erecta)) 4 mg

*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

Ingredients: Lutein (as OptiLut Lutein Esters extracted from marigold flower (Tagetes erecta)), Trans-Zeaxanthin (as OptiLut marigold flower ext., (Tagetes erecta))

Other ingredients: Microcrystalline cellulose, hypromellose (vegetarian capsule), silicon dioxide, magnesium stearate (vegetable source).

Warnings: Store in a cool dry place.

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SKU: 21506613414

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Bossman
Omaha, US
★★★★★ 5
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The Onkyo TX‑NR7100 has completely transformed my home theater. The sound quality is rich, detailed, and powerful, and the 9.2‑channel setup gives movies and music a level of immersion I didn’t realize I was missing. Dirac Live right out of the box is a huge win — the room correction made an immediate, noticeable improvement. Setup was smooth, the interface is clean, and everything from streaming to switching inputs feels fast and reliable. It also plays perfectly with the rest of my system, and the THX certification really shows in how cinematic everything sounds. I absolutely love this receiver. It’s one of those upgrades that makes you wonder why you didn’t do it sooner.
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Reviewed in the United States on February 20, 2026
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James Tepper
Cuba, US
★★★★★ 5
Incredible 9.2 Surround receiver at an unbeatable price.
I may return at a future date to give a more complete review, but others that are much more knowledgeable about audio equipment than I have already done so. For me, the Onkyo (Onkyo TX-NR7100 9.2-Channel 8K/4K Network A/V Receiver) replaced a much older (2001) TX DS787 5.1 100 W Surround receiver that listed new for around $1050. I probably didn't pay quite that much but certainly something near $900. It was great for its time, perhaps even advanced with THX, Dolby, and other listening modes. But it didn't have: HDMI inputs or outputs, any BlueTooth capability, no hard wired or WiFi connectivity or basically any operating or connection modes that most all modern receivers have. This turned into a big problem with modern LED/LCD/OLED TVs, Alexa and other now common devices. I bought my new Onkyo TX-NR7100 from Amazon for $625. Other retailers (e.g.Best Buy) advertise it for up to $1200, so Amazon's price is outstanding. Set up was far more complicated (for me) than any previous receiver that I ever owned, mostly because there were a very large number of back panel input and output jacks, to and from the TV, as well as speaker outputs for 9.2 surround. Suffice it to say that once everything was connected properly (I made a few mistakes along the way), I was completely thrilled. The On Screen Display, completely accessible either from the front panel or the remote was far superior to anything I had ever seen before. Literally every operating parameter is accessible to the user. And I used most of them. It is also completely WiFi ready so my 150 Gbit home Wifi network lets it connect wirelessly and stream music error free. BlueTooth is also another way to connect almost any device to it for audio and audio/video playback if you connect the digital connections to and from a modern TV. It also speaks and listens to Alexa, although I must confess that I haven't played around with that much yet. This is already much longer than I had intended, so let it suffice to say that the Onkyo TX-NR7100 is an absolutely incredible receiver for an incredible price. I'd give it 8 stars if I could. JM TEPPER
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Reviewed in the United States on November 7, 2024
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Brian M.
Houston, US
★★★★★ 5
Sounds great.
Just received my Onkyo TX-NR 7100, watched a few YouTube videos before it arrived, so set up was easy. Ran accuEQ, I am getting new front speakers so I’ll wait to run Dirac. After accuEQ, I still had to make a few adjustments, to the speaker levels and especially the sub. It set my subwoofer way too low. As of right now having no problems with Bluetooth. I’ve only listened to music so far, can’t wait to watch a movie. For now I have a 5.1.2. System, getting new fronts, the Klipsch r51-m’s will go to the rear surround and Klipsch r41-m’s will be my height speakers in a 5.1.4 system. So far loving this avr. Update 2: Just calibrated with Dirac for the 6th time. They tell you if you sit in a recliner, reclined measure with it reclined. Well I measured with the chair in its upright position. It makes a huge difference I hear the surrounds much better. Btw I listen to all channel stereo, I know audiophiles say it sucks, however I listened to 2 channel stereo for 20 years, when there was nothing else. I didn’t buy a 9 channel avr to listen to 2 channel stereo. Like Randy the cheap audio man says “ audiophiles aren’t always right. If it sounds good to you, that’s all that matters.” So try calibrating in the upright position, or if you sit on a stationary chair or couch, try positioning the mic slightly forward of your listening position. It makes a huge difference. Hope this helps, enjoy. Update: Ok bought Klipsch rp-600m speakers for the front with 52c center. 51m surrounds, 41m rear heights. Polk owm3 front heights. Why Polk? Lighter easy to hang and as height speakers they are only there for atmos. Ran Dirac live, the application does what it would take several hours to make it sound like it does, if I even could get it to sound so good. Apple TV 4K with my Hisense U8K. The google tv interface is ok, but Apple TV is faster and easier. The Onkyo 7100 is a gem, runs pretty warm but I have it out in the open. If you are going to put in a cabinet I suggest a fan. Very happy with the whole system.
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Reviewed in the United States on January 11, 2025
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jimmy diaz
Charlottesville, US
★★★★★ 5
100%
Excelente
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Reviewed in the United States on March 11, 2026
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mvxman
Houston, US
★★★★★ 5
Easy to hook up
I cut the button wire to go thru the firewall but these lights work great Yellow fog lights are bright, white lights are also bright. They have been on my truck for 8 months and are still working perfect
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Reviewed in the United States on December 18, 2024

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