Frequently Asked Questions

Where are the herbs made?

While the elements of some supplements may be sourced from China for maximum authenticity, potency, and efficacy, the herbal supplements are manufactured in a state-of-the-art facility in Irvine, California.

What is the shelf life of the supplements?

All supplements have a shelf life of approximately 3 years. Note that once supplement bottles are opened and exposed to air, degradation time may be sooner than 3 years. Be sure to keep your supplements in the original protective opaque bottles and tightly sealed.

Are the herbs vegetarian- and vegan-friendly?

All herbs provided through Han Nutrition Care are vegetarian-safe and depending on the formulation, may also be appropriate for those practicing a vegan lifestyle.

Do you charge sales tax on products?

As required by law, we charge 7.75% sales tax for all shipments within the state of California. No sales tax will be collected for other states or territories.

What is the shipping and handling cost?

All shipments are economically mailed via the United States Postal Service (USPS) from our San Diego, California headquarters. Domestic shipping cost is $9, international (except Canada) is $40, and Canada is $35.

When will my order arrive?

Typically, all shipments within the U.S. will arrive within 3 to 7 business days. During holidays and peak times, please allow 2-3 extra days for delivery. We offer expedited delivery via USPS Priority Mail for an additional $15.00 (apply to the order over $120.00 too).  If you choose this option, you will receive your products within 2-3 days.

Can I return a product?

We absolutely stand by our products and want you to be 100% satisfied with your purchase. Even if you open and use the product, you may return it if it does not meet your highest expectations. Should you choose to return your product, we will refund your method of payment minus a 15% restocking fee.

1) Contact us to request a Return Merchandise Authorization (RMA) number
2) Include your RMA number on your package
3) Send your package insured for the product amount via a trackable delivery service.

Who can I contact for Customer Support?

You can call our headquarters at 650-665-4008 or email us at with your query. We will respond within 24 hours during normal business hours.