The Clinical Diet Return Policy

Try M(6) Metabolism Booster Risk FREE For 30 Days

We are proud to announce our 30-Day Money Back Guarantee available for our bundle items (3-Pack) and (6-Pack). When you buy our bundle, you have 30 days to try our product. If you are not completely satisfied with your purchase, just return your entire purchase with the remaining bottles closed and unused for a full refund. You must return the remaining bottles unopened and unused to qualify for this 30-Day Money Back Guarantee. If you have any further questions, please contact us at 1.800.971.4318.

Single Item Purchases of M(6) Metabolism Booster are covered by our Standard Return PolicyOur Returns Policy is as follow:

High Performance Nutrition, Inc. offers a 30-Day Return Warranty on all of its products purchased directly through this Site. Warranty shall commence on the date the order is shipped from our facilities. To be eligible for a return, your item must be unused, unopened, and in the same condition that you received it. It must also be in the original packaging. All return shipping charges, including without limitation, importing/exporting fees, are the responsibility of the customer. All returns must be shipped with a unique track-able number (a tracking number). Please contact our customer representative for return instructions.

Refunds (if applicable) 
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. 

If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.

Late or missing refunds (if applicable) 
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. 

Next contact your bank. There is often some processing time before a refund is posted. 

If you’ve done all of this and you still have not received your refund yet, please contact us at

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

Exchanges (if applicable) 
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at for a Return Authorization Number. Once you get your RA Number, please send your item(s) to: 

ATTN: Returns Department
265 Briggs Avenue
Costa Mesa CA 92626
United States.

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Depending on where you live, the time it may take for your exchanged product to reach you, may vary.

If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item. 


Need Help Getting Started With Your Return?

Before you return your Product, send us an email to get you started. Tell us why you're returning your product and we'll get back to you in a few hours!