A Healthquest Podcast by Steve Lankford

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People are now spending many hours a day looking at various device screens. The average American spends over 10 hours a looking at phones, tablets and computer screens. The constant and unrelenting exposure has an effect, not only on our eyes but can have numerous other consequences such as disrupted sleep, headaches and so on. A recent study has shown that supplementation with macular carotenoids improved sleep quality and improved vision. The benefits include improved contrast sensitivity, decreased glare and improved photostress recovery. Subjects had fewer headaches, with less eyestrain and eye fatigue. This study was conducted on young healthy adults who had a high exposure to “screen time” more than 6 hours per day.

Blue light is a part of natural daylight. It is an important part of the visible light spectrum. It is really the artificial exposure to excessive blue light through modern devices that is a big part of the problem. So it’s not that blue light is bad. It is how much blue light are we getting and how does that affect each of us as individuals? For example, do you have any of the problems that were addressed in the studies? Do you have ongoing and excessive exposure to digital screens? If so the studies would be relevant to you and lead you to consider nutritional support. Commit to taking a quality supplement for 3 months and then judge for yourself.

In this interview with Anthony Thomas, we are discussing what are called “macular carotenoids”. Studies have shown that increasing the consumption of macular carotenoids significantly improved serum levels with the benefits as noted above. The macular carotenoids are lutein, zeaxanthin, and mesozeaxanthin. We will also consider the benefits of astaxanthin and consider the benefits of trademarked, branded, clinically studied nutrients.


Steve Lankford is the host of HealthQuestPodcast.com. Steve has over 40 years of experience in the natural products industry. His passion is helping others develop nutritional programs that work. At HealthQuestPodcast.com, Steve interviews the experts in the fields of science and nutrition. His in depth explorations and consumer friendly style are designed help listeners learn about the science of nutrition. His guests are some of the most respected experts in the natural products industry.

To learn more, visit HealthQuestPodcast.com.

NOTE: The statements presented in this podcast should not be considered medical advice or a way to diagnose or treat any disease or illness. Dietary supplements do not treat, cure or prevent any disease. Always seek the advice of a medical professional before adding a dietary supplement to (or removing one from) your daily regimen. WholeFoods Magazine does not endorse any specific brand or product.