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Frequently Asked Questions

Our Customer Service is Available by Phone or Live Chat

Monday – Friday 9am – 5pm Central Standard Time

Or if you need to speak to someone immediately, we will do our best to handle your urgent after hours concern as soon as possible.

Please check our FAQ section below.

Your 100% satisfaction is of primary importance to all of us at Nutritional institute.

Nutritional Institute

PO Box 7010
Grayslake, IL 60030
Phone: (866) 556-9457
Fax: (847) 223-5678

Most orders you place with us at enter the shipping process very quickly (within minutes of order placement) so we can get your items to you as soon as possible. If we can catch it, we certainly can cancel and or modify.

Depending on the items, we use USPS or UPS on all online orders. You will be prompted to select a shipping speed and method during the ordering process!

You can pay using a check or certified money order. Please contact our Customer Service Department for full details and instructions.

Absolutely. To order by phone, and for hours of availability, please call us at +1 866-556-9457 Toll Free!

Typically, you can expect to receive your shipment within 3 to 7 business days. If you choose a faster shipping method, your order will be delivered quicker than 3 to 7 10 business days.

Answers vary, and generally depend on the order. Our staff monitors all purchases processed through and can give tracking numbers if they are available. The day your order is shipped, you will receive notification via e-mail.

E-mail us your shipping information and your order number, and we'll contact you after we've checked with our mail providers and suppliers to find out the cause of the delay. To contact us, click here .

All orders are verified in our system prior to shipping, but occasionally mistakes do happen. If your order is incorrect in any way, please contact us, and we'll take care of it immediately! To contact us, click here.

Click here to view return policies by product.

A password will be assigned the first time you make a purchase at If you forget it, e-mail us and we'll forward your password to you. To contact us, click here.

If you have a problem with your password, e-mail us, and we'll be glad to assign you a new one. To reset your password, click here.

We do have natural health practitioners available to consult over the phone. You can set up a telephone consultation click here.
However, we do have several areas on where feature and recommend products you can check out by clicking here

If you're unable to find the answers you need, please don't hesitate -- Contact Us!

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