Return Policy

Return Policy

100% Refund if you don't like it! 

If Smart Serum Drink Mix doesn't outperform any drink that you're currently using, send us an email and we will refund your money.

Our policy is effective 30 days from the date of purchase. If 30 days have passed since your purchase, unfortunately we will not be able to offer you a refund or exchange.

To qualify for a return, you must send the remaining Smart Serum back to us via USPS.   

To complete your return, send an email with the order number to   We will get back with you promptly and follow up with a full refund. 

Refund on items that are returned more than 30 days after date of purchase (if applicable) Once your return is received and evaluated, we will send you an email to let you know that we have received your returned item. We will also alert you of the approval or denial of your refund. If you are approved, then your refund will be handled, and a credit will be issued to your credit card or original method of payment, within a certain amount of days. Late or missing refunds (if applicable) If you’ve yet to receive a refund, first check your bank account. Then reach out to your credit card company. It may take some time before your refund is officially posted. Next, contact your bank again. There is usually a processing period before a refund is posted.

If you have done all of the above and you still have not gotten your refund, please contact us at

Sale items (if applicable) Only regular priced items may be refunded. Regrettably, sale items cannot be refunded. Exchanges (if applicable). 

Miller Labs, LLC 3162 Miller Park Dr. N. Garland, TX 75042

Shipping – To return your item, you should mark the package with the original order number and mail it to:

Miller Labs, LLC 3162 Miller Park Dr. N. Garland, TX 75042

You will be required to pay for your own shipping costs for returning your item. Shipping cost are non-refundable.  Depending upon where you live, the time it takes for your product to reach you varies. If you are returning an item over $75, you should contemplate using a trackable shipping service or getting shipping insurance. We cannot guarantee that we will receive your returned item.