| Ingredient | Studied for | Evidence in short | Usual form |
|---|---|---|---|
| Bilberry | Screen-related eye fatigue and focusing (accommodation) | Small Japanese RCTs positive on eye-fatigue measures; evidence base stays limited, not widely replicated | Hard capsule, tablet |
| Crocetin | Eye comfort during screen work; sleep quality | Small Japanese crossover trials, positive; not yet confirmed by larger independent studies | Tablet, capsule, soft gel |
| Lutein and zeaxanthin | Macular pigment optical density in healthy eyes | Meta-analysis: MPOD rises with intake, more at higher doses; visual-function data more limited | Soft capsule |
| Maqui berry | Eye comfort and tear-film measures during screen work | Small trials, positive, from overlapping research groups; independent confirmation limited | Capsule, tablet |
Japan-made supplement OEM
Eye supplements made in Japan
Eye supplements are a large category in Japan, where many products are designed around screen work and everyday eye comfort. The common ingredients are carotenoids such as lutein and zeaxanthin, and berry extracts rich in anthocyanins.
Several eye trials test combinations of ingredients rather than one alone, so the formula you choose should match the study you plan to cite. Each guide below explains what was tested.
Eyes ingredients at a glance
What each ingredient has been studied for, how strong the published evidence is, and the usual dosage form.
“Studied for” describes research on healthy functions. It is not a claim that any product prevents, treats or cures a disease.
Before you choose a formula
Dosage form selection How tablet, capsule, softgel, powder, jelly, drink and gummy compare for a Japan-made supplement Export labelling and documents Japanese vs destination-market labels, over-labelling, country-of-origin rules, and factory documents to request Food-medicine boundary (食薬区分) How Japan's shoku-yaku kubun system decides food versus medicine status, and what it means for an export OEM order Starting a Japan-made supplement brand The steps from concept to launch for a brand that wants a supplement made in Japan
Frequently asked questions
Why are eye supplements often soft capsules?
Lutein, zeaxanthin and astaxanthin are oil-soluble and sensitive to light and oxygen. A soft capsule holds them in oil and protects them.
Can I combine lutein and bilberry in one product?
Yes, it is a common combination. Match the amounts to the studies you intend to cite, and confirm each ingredient is permitted in foods in Japan and in your market.
Do eye supplements need special packaging?
Light and oxygen protection matters for carotenoids. Blister packs, aluminium pouches or opaque bottles are the usual choices.
Contact
Tell us what you want to buy or sell — in Vietnam or Japan
Selling into Vietnam or Japan, sourcing from either, or a product made under your own brand. One Japanese-managed team in Ho Chi Minh City, working in English, Japanese and Vietnamese.