Lutein 25%

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Lutein 25% is a dietary supplement that contains lutein, a carotenoid that is naturally found in green leafy vegetables, egg yolks, and other foods. Lutein 25% refers to a health supplement where 25% of the contents are lutein. This supplement may come in various forms, such as capsules, tablets, soft gels, or even powdered form.

Here are some benefits of Lutein 25%:
  • Eye Health: Lutein has been shown to improve some symptoms of age-related macular degeneration (AMD) when taken for up to 36 months at doses above 5 mg1. It can also help reduce eye fatigue, glare, and light sensitivity.
  • Skin Health: Lutein works as a supportive antioxidant in the skin and can protect it from sun damage, improve skin tone, and slow aging.
  • Cardiovascular Health: Lutein has been proposed to have benefits for the management of cardiovascular conditions and cancer.

The recommended dosage of Lutein 25% varies depending on the condition being treated. For AMD, doses above 5 mg are recommended, and more benefits might be seen when it’s taken for at least 3 months. A dose of lutein 5 mg/day is widely used for general supplementation. Higher doses (40 mg/day for 9 weeks) have been used in clinical trials without self-reported side effects.

Lutein appears to be nontoxic and safe for consumption in moderate or even relatively high doses. No clinically important adverse reactions were reported at doses up to lutein 20 mg/day. However, one case study found crystal formation in the macula after taking high doses of lutein and zeaxanthin supplements. Another study reported that subjects receiving lutein supplementation of 15 mg/d for 20 weeks developed skin yellowing (carotenodermia), which is an innocuous but visible side effect. Nonetheless, lutein has a relatively high safety profile as indicated by many studies and is categorized as Generally Regarded as Safe (GRAS) by the US Food and Drug Administration (FDA).

Sources:
  1. https://pubmed.ncbi.nlm.nih.gov/30231532/
  2. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6164534/
  3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3705341/
  4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5331551/
  5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5611842/
  6. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7352796/

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