We have compiled a detailed list of all the information you need to shop at Kenko RSL Performance.

Note: These are all guides for shopping in Japan. Please contact your agent for the rules for international shipping.>> More info

Payments on Kenko RSL Performance

Cash on Delivery

A cash on delivery fee of 330 yen is required for cash on delivery. If the total purchase amount is 10,000 yen or more (including tax), the cash on delivery fee is waived.

Please pay directly to the driver of the shipping company at the time of delivery. Please be prepared to pay in cash only at the time of pickup.

Credit card

No settlement fee (to be borne by us). Please inquire with your credit card company regarding the number of times you can use your credit card, interest rates, bonus payment terms, etc.

Credit card
Credit card information and personal information are encrypted by SSL and transmitted to the credit card company. Please rest assured that we will never know your credit card information.

Bank transfer (prepaid)

Bank transfer fees are the responsibility of the buyer. We will ship the product as soon as possible after confirming payment. (Our store confirms payment every day, so there is no need to contact us after the transfer.)

Please note that if payment is not confirmed within 3 days of your order, your order will be cancelled.

Bank accounts

ジャパンネット銀行 本店営業部 普通 4155260

Issuance of Receipt

If you need a receipt, please enter the name of the recipient and other necessary information in the “備考欄” column during the shopping process.

If you choose “Cash on Delivery”, the receipt issued by the shipping company upon delivery can be used as an official receipt recognized by the tax office. If you wish to have a receipt issued by us, please feel free to contact us for further information.

Product Delivery

Shipping charges

Hokkaido 1,250 yen
Aomori, Akita, Iwate, Miyagi, Yamagata, Fukushima 950 yen
Ibaraki, Tochigi, Gunma, Saitama, Chiba, Kanagawa, Tokyo, Yamanashi 825 yen
Niigata, Nagano 825 yen
Toyama, Ishikawa, Fukui 720 yen
Shizuoka, Aichi, Mie,Gifu 720 yen
Osaka, Kyoto, Shiga, Nara, Wakayama, Hyogo 720 yen
Okayama, Hiroshima, Yamaguchi, Tottori, Shimane 720 yen
Kagawa, Tokushima, Ehime, Kochi 720 yen
Fukuoka, Saga, Nagasaki, Kumamoto, Oita, Miyazaki, Kagoshima 820 yen
Okinawa 1,250 yen

A separate handling fee of 330 yen is required for cash on delivery. Shipping and handling fees are waived for purchases of 10,000 yen or more (tax included).

Shipping and Delivery Schedule

It takes 2 to 3 business days from receipt of order to ship (in case of bank transfer, shipment will be made after confirmation of payment). You can also specify a later delivery date and time.

Kenko RSL Performance is open from 11:00 to 16:00 on weekdays. We are closed for shipping and support on Saturdays, Sundays, and holidays.

Estimated delivery time is 2 days after shipment for Hokkaido and Okinawa, and the next day for Honshu, Shikoku, and Kyushu (excluding isolated islands).

About specifying the delivery date and time

You can specify the desired delivery date and time. We also accept delivery on Saturdays, Sundays, and national holidays.

Please note that the date and time specifications are only guidelines. Please note that we may not be able to meet your request due to traffic conditions or other reasons.

Confirmation of delivery status

You can check the status of your order on the following website.
>> Go to Japan Post website

About membership (point) service

Point service

Health RSL Performance offers points worth 5% of the amount spent for every purchase as a benefit of membership registration.

Accumulated points can be used at the rate of 1 point = 1 yen on your next and subsequent purchases. There are no registration or annual fees.

How to register as a member

1. When you make a purchase

Please enter your favorite ID and password on the screen displayed at the end of your shopping. Membership registration will be completed automatically. Points will also be automatically awarded.

2. To register as a member only

Please proceed to the registration page. Enter the required information to complete your registration.

Please proceed to the registration page. Enter the required information to complete your registration.

Forgot your member ID or password?

You can confirm your ID and password on this page.

You can confirm your ID and password on this page.

Please note that we are unable to send you your password or other membership information by e-mail for the protection of your personal information. We apologize for the inconvenience, but please check the information by yourself.

Concerning the awarding of points

Points are only offered for purchases made at the official online store; no points are awarded for orders made through Amazon, by phone, or by postcard. Also, points cannot be retroactively awarded for previous orders, so please be sure to log in to your account before making a purchase.

Points will be accrued after the order is completed, but will not be finalized (validated) until the customer receives the merchandise. Please note that points cannot be used until the transaction is completed.

Please note that points cannot be credited to the accounts of purchase agencies.

Transfer of Points

Points cannot be transferred to others or combined with family members.

Expiration date of points

Points expire after one year from your last purchase.

Please note that purchases made “without using points” or “without issuing points” will not be counted as your last purchase (i.e., the point expiration date will not be extended).

How to check your points

You can check your points from [My Page], which is exclusively for customers. You can also change your address, e-mail address, delivery address, etc. on My Page.

Click here for My Page

>> Click here for My Page

Other Information

About Safety and Security

Our store supports SSL encrypted communication, which means that your order details, credit card number, and other important information are encrypted before being transmitted to our order processing system. Please enjoy your shopping experience with peace of mind knowing that your information cannot be deciphered by a third party.

We will not sell or share your personal information (address, name, e-mail address, etc.) with any third party except when requested to do so by a court of law, law enforcement agency, or other public agency.

Returns, Exchanges, and Cancellations

Due to the nature of our products, we do not accept returns or exchanges for reasons attributable to the customer. Supplements are food products to be put directly into the mouth. Please understand that we cannot accept returns or exchanges even if the package is unopened.

However, in the case of an error in shipping, we will pay for the shipping costs.

About International Shipping and Foreign Language Support

About International Shipping

We ship only within Japan. If you wish to ship internationally, please use the following purchase agency services.


Please add items to the international order cart displayed when accessing from overseas, and complete the order process on Buyee.

■Zen Market

Click the banner above to place your order on Zen Market.

■One Map

Click the banner above to place your order on One Map.

Foreign Language Support

We provide support in Japanese only. If you are an overseas customer and need support, please contact your purchasing agent service.