BIOREV SELECT · INNER CARE
L-Ergothioneine
Another choice for your everyday inner-care routine.
Explore ingredients, brand options, directions and storage. BioRev brings KYOKAWA and KELUN ergothioneine products together on one page.
Explore two brands
KYOKAWA01 · ERGOTHIONEINE
What is ergothioneine?
A naturally occurring amino acid found in mushrooms and other foods. Humans do not synthesise it; it is obtained through the diet and is studied for its antioxidant properties.
KELUN · Product information sources02 · THE COLLECTION
Explore two brands
View each product, pack size and official Japanese retail price. Each purchase link opens the relevant brand’s own store.
KYOKAWA
L-Ergothioneine
60 capsules per bottle
Choose a quantity and continue to the brand’s official checkout. Payment is in Japanese yen.
View product information
KELUN
L-Ergothioneine
60 capsules per bottle
Choose a quantity and continue to the brand’s official checkout. Payment is in Japanese yen.
View product informationPrices are in Japanese yen. Check shipping, taxes and stock at each store’s checkout. · Checked 10 October 2026
03 · DAILY ROUTINE
Product information and everyday use
Directions
Both brand pages suggest 1–2 capsules daily. Follow the label on the product you purchase and take with water.
Ingredients listed by the brands
Maltodextrin (made in Japan), L-ergothioneine / HPMC, gelling agent (gellan gum), colour (titanium dioxide), magnesium stearate.
Storage
Store in a cool, dark place away from heat, humidity and direct sunlight. Close the cap securely after opening.
Best-before date
Printed on the individual product packaging.
04 · BRAND STORY
Meet KELUN
KELUN is a brand originating from China’s Kelun Group. Established in 1996, the group operates in pharmaceuticals, biological fermentation and drug development. Its brand website introduces its quality-management and ingredient-traceability practices.
Explore KELUN’s brand storyFrequently asked questions
Are KYOKAWA and KELUN the same product?
They are products from separate brands. Check the brand and exact product before purchasing.
What is the purchase price?
KYOKAWA lists JPY 33,000 and KELUN lists JPY 43,000. Payment takes place at each brand’s official store.
Can I use it while taking medication?
If you are receiving treatment, taking medication, pregnant or breastfeeding, check the label and consult your doctor or pharmacist.
Can I ask BioRev for help?
For product-selection or delivery-region enquiries, contact BioRev below.