LynFit Nutrition wants you happy!

If you purchase and read Lisa Lynn's best-selling book, The Metabolism Solution, and implement the metabolic boosting principles (even for just a couple of weeks) and you:

    • Do not experience a noticeable improvement in body composition (more muscle, less fat),
    • Do not experience a noticeable improvement in health (more energy, less blood sugar swings, better immune function)
    • Do not experience a noticeable improvement in overall lifestyle (you feel happier, positive and struggle-free about the lifestyle changes)

You can return the book for a full refund.

If you purchase and try any LynFit metabolic boosting supplement, or any other product on, and are not 100 percent satisfied, simply return the remaining contents and packaging within 21 days for a full refund.
(NOTE: Opened supplements will receive a partial refund for the unused portion)

To return a product for a refund, please email LynFit Nutrition's in-house customer service at Our friendly agent will provide you with detailed instructions on where to send your package to as it's a different address than our fulfillment center.

Refund credits will be issued to the same credit card that was used for the purchase. LynFit Nutrition is not responsible for lost or stolen items. We recommend that all returned items be sent using a delivery confirmation to ensure proper delivery.

Once LynFit Nutrition receives your properly returned package, we will process your refund request within 3-7 business days. Please allow additional time for your financial institution to post the refund to your account. Contact our billing department if you do not see the credit on your account within 1-2 weeks after your request is processed. Shipping and handling will not be refunded.


Pricing, Promotions, and Exclusions Prices are in US dollars. We reserve the right to adjust prices due to market fluctuations.

Promotional coupons or discounts cannot be combined with any other offers and apply only to specified items.

Securing your promotional discount:

    • Enter the offer code at checkout when ordering online.
    • Once your order is accepted, LynFit Nutrition cannot make any changes due to the security level of this site.
    • No credits or refunds can be administered once your order is placed however you may use the coupon/discount code for your next order.

Discount codes may not be used during sales or promotions.

One discount code per order. Orders will be canceled if multiple discounts are applied.


Regular Shipping

Orders shipped within five business days (Monday-Friday) of receipt via USPS. Please allow 7–10 business days for delivery. Shipments to Alaska, Hawaii, California, Oregon, and Washington State will require an additional three days. 

For international shipping information, email for a quote.

Lost Shipments And Damaged Packages

    • If your package arrives damaged or becomes lost, please contact your local Post Office for details. The Post Office handles the package once it leaves the LynFit Nutrition shipping warehouse.
    • Packages arriving late or after you have moved or left for vacation are your responsibility not the responsibility of LynFit Nutrition.