FAQ
Product
Are there any precautions for use?
If you are allergic to any of the raw ingredients, please refrain from taking this supplement.
In rare cases, it may cause adverse reactions due to your health condition or physical constitution. If there is any adverse reaction, stop taking this supplement immediately.
If you are taking medication or seeing a doctor, consult the doctor before use.
Keep out of reach from children.
Keep a balanced diet based on staple meals, vegetables, and side dishes.
Does this contain allergens?
None of the 28 allergens* specified by the Food Labelling Law in Japan are included.
*Eggs, milk, wheat, buckwheat, peanuts, crab, prawns, almonds, abalone, squid, salmon roe, oranges, cashews, kiwifruit, beef, walnuts, sesame, salmon, mackerel, soya, chicken, banana, pork, matsutake, peach, yam, apple, gelatine
Can I take this with medication?
As it is a food, it can normally be taken with medication, but if you are prescribed medication by or visiting a medical institution, please consult your doctor before use.
Can I take this during pregnancy and lactation?
It can be used in the same way as general food, but please consult your doctor before use.
How much NMN does this contain?
150mg per capsule.
You can see a third party testing result about NMN content here.
How many capsules should I take a day?
Please take 3 capsules a day with cold or hot water without chewing.
How long should I keep taking it for?
It is recommended to continue for as long as possible. It is also a good idea to continue for a period of six months and then consider what to do next, depending on whether or not you feel any improvement in your health.
What is the nutritional values?
Per 3 capsules (936mg) (estimated values).
Energy 3.56 kcal, Protein 0.26g, Fat 0.0009g, Carbohydrate 0.63g, Salt equivalent 0.001g.
What are the ingredients?
Nicotinamide mononucleotide(NMN), starch/HPMC
How should I store the product?
Keep in a cool dark place, away from direct sunlight, high humidity and heat.
Can I have samples?
No, unfortunately we don't provide samples.
There are some issues on the product when it arrived. What should I do?
Please contact us about it.
How long is the shelf life of the product?
Please check the bottle label on the back of the bottle. After opening, please consume as soon as possible.
Are there any side effects?
No side effects have been reported so far.
However, in rare cases, it may cause adverse reactions due to your health condition or physical constitution. If there is any adverse reaction, stop taking this supplement immediately. Please consult the doctor before use if you are taking medication or seeing a doctor.
Does this contain alcohol?
No.
The primary raw materials of ROYAL NMN have been certified as free of animal origin and added alcohol by Japan Halal Business Association.
You can check the certification here.
Does this contain any animal products?
No.
The primary raw materials of ROYAL NMN have been certified as free of animal origin and added alcohol by Japan Halal Business Association.
You can check the certification here.
Order
Can I get a receipt?
Yes. Please contact us with your order number and your name.
Can I cancel after being dispatched?
No. Once it's dispatched, we cannot accept cancellation.
Can I return or exchange the product?
We offer a 14-day money-back guarantee on all orders.
We guarantee your satisfaction and you will receive a full refund for unopened products.
(Please be aware that all refunds have shipping costs deducted from them.)
You are responsible for all shipping and handling charges incurred when shipping any products back to us.
To request a refund, please send an email to support@miyavy.jp with your order number and the reason for the return.
Subscription
Can I cancel the subscription any time I want?
Yes. You can cancel the subscription from your account page here [link].
How can I suspend, skip, resume or cancel my subscription?
You can suspend, skip, resume or cancel your subscription on your account page.
How can I change my subscription order interval?
You can change the interval on your account page here.
How can I change the shipping address?
You can change your shipping address on your account page here.
What are payment options?
We accept credit cards only.
Can I order on the phone?
No, unfortunately we cannot accept placing an order on the phone. Please order through this online store.
I haven't received an order confirmation email. What should I do?
Please check your entered email is correct on your order history page here. Then please make sure the mail isn't assigned to your spam box.
Shipping
How much is the shipping fee?
Shipping fee is free.
However, we may have to cancel your order if we are unable to ship to your address due to transport conditions.
Do you ship internationally?
Yes, we ship internationally for free of charge.
However, please bear in mind that we may have to cancel your order if we are unable to ship to your address due to transport conditions.
How long will it take to be dispatched?
It will take 1 - 2 business days to dispatch the product.
Account
How can I sign up for a membership?
You can register your account from here.
I forgot my password. What should I do?
You can reset your password from here.
How can I change my password?
You can change your password from here.
How can I cancel my membership?
Please contact us from here about cancellation of your membership.
I haven't received any emails from the shop. What's the issue?
Please check your registered email is correct first on your account page. Then please check your spam box as it may be considered spam by some email services.
Support
How can I contact customer support?
You can do live chat from a chat icon on the bottom right corner of the store page.
You can also contact us using the contact form.
Others
If you have any questions or your concerns are not listed above, please contact us.
support@miyavy.jp