Eye Foods and Supplements |Antioxidants for Vision Health and Aging

Are there any antioxidant supplements that can help with eye aging? Are there any effective supplements we can use to safeguard our eyesight before too much damage occurs? Well, a recent review article published in 2022 in BioMed Research International gave 3 interesting examples of supplements that have shown some clear positive effects. But firstly, a little background. Eyes are very vulnerable to oxidative stress. This stress is caused by free radicals or highly reactive and unstable molecules where an atom has an outer electron shell that is not full, so can bond destructively with another atom, causing damage to tissue or an important biological process, for example. This stress occurs countless times every day and has been strongly associated with age-related eye diseases. So let’s look at the supplements mentioned in the paper.

Number 1. The pairing of the 2 carotenoids, lutein and zeaxanthin. These absorb blue light, help prevent light scattering within our eyes and protect against the oxidative stress I just mentioned. Lutein and zeaxanthin are readily available as oral supplements with lutein being regarded as the most significant of the two.

Number 2. That beautiful spice, Saffron. Saffron has many antioxidant and anti-inflammatory components, so they haven’t been able to precisely isolate which ones are the most beneficial, but the spice in whole form seems very promising.

Number 3. Bilberry extract. The efficacy of this berry extract is thought most likely to be based on its high concentration of anthocyanins which are believed to modulate oxidative stress and prevent impairments in the lenses and retina of the eyes. Bilberries are often higher in anthocyanins than the similar blueberries. In fact, Royal Air Force pilots in World War II were said to have consumed bilberry jam to sharpen their night vision for missions in the dark. Whataya know ay!

Note: the studies the authors based this review on were carried out on a mixture of people, mice and rats.

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