Eojungi's Eye health Articles
Expert information and articles — Eojungi
How to Properly Choose Lutein: What People Who Buy Well Check
Fat-soluble substances increase absorption rate when taken. Olive oil is the best solvent but expensive, while sunflower oil is the worst but affordable. Taking AREDS2 formula (lutein, zeaxanthin, vitamin C, vitamin E, copper, zinc) produces better results.
- Lutein
- Eye health
- Zeaxanthin
- Astaxanthin
15886 min read
Good lutein starts with marigold flowers!
When choosing a lutein supplement, you should first check if it's made from marigold flower extract, if the lutein to zeaxanthin ratio is close to 5:1, and if the daily recommended amount is in the 10-20mg range. A pharmacist has organized the key criteria for product selection in an easy-to-understand way.
- Lutein
- Eye health
- Zeaxanthin
26604 min read
Vitamin A: Choosing Poorly Can Actually Be Toxic
When choosing a vitamin A supplement, you need to consider not just the form but also dosage, absorption rate, and additional ingredients. We've compiled information on the differences between beta-carotene and retinyl palmitate, the 3000μg RAE daily standard, soft gel forms, and precautions for pregnant women and smokers.
- Eye health
- Vitamin A
25176 min read
Vitamin A, Don't Buy Products That Only Say 'Retinyl Ester'
If you're confused about which vitamin A supplement to choose, check the essentials. This covers the differences between retinyl palmitate and acetate and beta-carotene, precautions for smokers, and how to choose cost-effective foreign products.
- Eye health
- Vitamin A
26225 min read
Vitamin A Dosage Calculation? There's Really Only One Formula
Vitamin A IU·RE·RAE unit differences explained easily by pharmacy standards. Check all at once: what 5000 IU actually equals in μg RAE, retinol and beta-carotene conversion methods, daily recommended amounts, and pregnancy precautions.
- Eye health
- Vitamin A
- Retinol
- Beta-carotene
211107 min read
If You're Not Sure What to Look for When Choosing Lutein
Confused about which lutein supplement to pick? Mexican and Peruvian sources are best, and a 4:1 zeaxanthin ratio is ideal. A pharmacist shares 5 lutein selection criteria including dosage, AREDS2 formula, and astaxanthin.
- Lutein
- Eye health
- Zeaxanthin
- Astaxanthin
18615 min read
How Are Vitamin A Scores Determined?
You need to carefully examine the active ingredients, inactive ingredients, brand, and quality. In terms of quality, individually packaged products do not deteriorate and can be stored longer compared to products packaged all at once.
- Expert story
- Eye health
- Mediocre
- Vitamin A
03194 min read
Lutein? Zeaxanthin? Astaxanthin?
Lutein, zeaxanthin, and astaxanthin are all types of carotenoid pigments that perform various functions in the body. Lutein and zeaxanthin can slow the progression of age-related vision loss. Astaxanthin can improve eye fatigue.
- Eye health
- Mediocre
- Zeaxanthin
- Astaxanthin
05743 min read
What Is Vitamin A?
Vitamin A can perform many diverse functions in the body, but the functions recognized by the Ministry of Food and Drug Safety as a health functional food are three: necessary for visual adaptation in dark places, necessary for the formation and maintenance of skin and mucous membranes, and necessary for the growth and development of epithelial cells.
- Eye health
- Mediocre
- Vitamin A
- Difficulty caution
02864 min read