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It has been shown that omega 7 is a good anti-inflammatory, improves the hydration of mucous membranes and generally reduces dry eye symptoms. Sea buckthorn is the food that best represents the category rich in omega 7. It is a berry present in Europe and Asia and is usually prepared in infusions. Other foods rich in omega-7 are anchovy oil, olive oil (picual olives only have 3% omega 6), some cheeses such as parmesan and curry.

Free radical damage caused by exposure to environmental pollutants and toxins, illness, stress, poor diet, medications, excessive mobile and other computing use, and inadequate sleep can cause inflammation throughout the body, including the mucous membranes. Omega-7 is an essential part of mucous membrane cells and helps them retain moisture. Sea buckthorn's powerful combination of omega-7 and antioxidants allows it to maintain the integrity of mucous membranes. It can keep them hydrated, promote healthy tissue regeneration, and reduce inflammation.

For example, a randomized, double-blind, parallel, placebo-controlled trial recruited a total of 100 volunteers. For three months, one group received 2 g of sea buckthorn oil and the other a placebo. The results showed an increase in tear secretion in the sea buckthorn group and a significant improvement in burning and redness of the eyes.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5409703/ (2017).---

https://www.water-for-health.co.uk/blogs/blog/omega-7-sea-buckthorn-benefits-for-dry-eyes-and-gut-health .---

In this study, astaxanthin is an effective option against dry eyes, improving the stability of the tear film, the repair of corneal and conjunctival epithelial cells and the secretion function of the meibomian gland, improving subjective function. symptoms of dry eyes.

https://www.frontiersin.org/articles/10.3389/fnut.2021.796951/full (2022).--------------------------- -------------------------------------------------- ------------

Supplementation with lutein or docosahexaenoic acid (DHA) demonstrated potential benefits for eye health. This study aimed to investigate the effects of lutein plus DHA complex supplementation on dry eyes, visual function and memory in healthy individuals. Thirty-four participants, ages 40 to 60, received lutein/DHA complex supplements (containing 10 mg lutein in free form, 200 mg DHA, 30 mg red algae extract (astaxanthin), phosphatidylserine, and vitamin A). ) for 12 weeks. Ophthalmological examinations and memory tests were performed and a questionnaire was administered at weeks 0, 6, and 12 of the study. After 12 weeks of the intervention, tear breakup time had increased significantly and intraocular pressure had decreased significantly. This suggests that lutein/DHA complex supplementation may reduce ocular pressure and offer potential benefits for DES, as indicated by improved tear stability.

https://www.preprints.org/manuscript/202311.1609/v1 (2023).-----

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