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Lacto-Relief + Floracor-GI + FREE Digest-GI

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Serracor-NK + Floracor-GI + FREE Digest-GI

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Circulation and Heart Health | Serracor-NK | Serrapeptase

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Lipase-HP Plus

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Lacto Relief


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Serracor-NK vs. Neprinol

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Gluten Relief + Floracor-GI + FREE Digest-GI

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Ultimate Metabolic Formula + Floracor-GI + FREE Digest-GI

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Excellacor + Floracor-GI + FREE Digest-GI

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Gluten Relief

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Vida-Defense + Floracor-GI + FREE Digest-GI

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Intestinal and Digestive Health | Floracor-GI

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Excellacor & Serrapeptase 80,000 SU

Muscular Skeletal Health | Excellacor | Serrapeptase

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Respiratory Health | Serracor-NK | Serrapeptase | Lung Support

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Ultimate Metabolic Formula

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Excellacor 90 capsules

Excellacor vs. Vitalzym

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Terms and Conditions

Please read this agreement carefully. The information and features on this website are made available by Advanced Supplemental Therapies and/or its affiliates (“AST Enzymes”) to you subject to the following terms and conditions. Using confirms your acceptance of these terms and conditions.

Terms and conditions are subject to change. You should periodically review these terms, conditions and policies for any updates or changes. Your continued use of this site shall constitute notice and acceptance of any such changes.


Health-Related Content

The information provided on this website is intended as general information only and is not a substitute for professional medical advice, diagnosis or treatment. Do not disregard medical advice or delay in seeking treatment based on information presented on the AST Enzymes website. A licensed healthcare professional can best assess and address individual healthcare needs. Review all product information before use.

Information and statements on this website about dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, mitigate or prevent any disease or condition.


Website Policies

AST Enzymes attempts to ensure information on this website is as complete, current and accurate as possible. However, AST Enzymes does not warrant that product descriptions or other content of this site is accurate, complete, reliable, current, error-free or appropriate for a particular purpose.

Products ordered through this website are subject to AST Enzymes’ acceptance. AST Enzymes reserves the right to refuse, accept or cancel any order, whether or not it has been confirmed, without liability.

Your access and use of this site, including the information, services, products, materials, and any other resources contained on it, is solely at your own risk.



AST Enzymes cares about your privacy. We respect the privacy of all your personal information and understand the need to protect it. We do not share, sell or otherwise provide your information, email address or purchasing history to any other party . This policy applies to all consumers accessing AST Enzymes website. AST Enzymes provides customers with the option to receive or not receive offers, coupons or information on products.



All products are subject to availability.

Orders placed after 3 p.m. Pacific Standard Time will be processed and shipped the following business day. All orders received over the weekend (Friday – Sunday) will be processed and shipped the following Monday.


Domestic Shipments

Orders are shipped by United Parcel Service (UPS) wherever possible. UPS will not deliver to a P.O. Box.

UPS shipping is available only in the contiguous 48 states. For Alaska, Hawaii and Puerto Rico, additional charges may apply. Call (800) 608-1688 for additional information.

For faster delivery, orders can be shipped via UPS 3rd Day Air, 2nd Day Air or Next Day Air for an additional charge.

The following shipping offer applies only within the contiguous 48 states:
For orders less than $99, AST Enzymes will ship by UPS for $7.95 (please allow 3-6 business days for delivery, depending on destination). For orders of more than $99, AST Enzymes offers free shipping.


International Shipments (Including Mexico & Canada)

All international shipments will be charged shipping costs calculated by destination. Payment is to be in U.S. dollars. Our prices do not include taxes and tariffs. Customers outside of the United States may be subject to customs fees and/or import duties and taxes, which are levied once a shipment reaches your country. Additional charges for customs clearance must be borne by you; we have no control over these charges and cannot predict what they may be. Customs policies vary widely from country to country; you should contact your local customs office or tax authority for information specific to your situation. Additionally, when ordering from, you are considered the importer of record and must comply with all laws and regulations of the country in which you are receiving the goods.


Order Cancellation

Order cancellations after payment has been processed are not accepted after product has been shipped. Refused packages will result in refund of entire purchase price less a 20% restocking fee and shipping charges.

AST Enzymes provides the highest quality products available and we want to make sure you are satisfied. Our products are manufactured under strict guidelines of cGMP (Good Manufacturing Practices). If you are not completely satisfied, return the unused portion within one year with a short explanation and we will promptly refund your money for the unused portion.

To send an item back, simply send it to:

AST Enzymes
13591 Yorba Ave.
Chino, CA 91710

We will not be responsible for shipping and handling on returned items. We recommend using insured mail for returns as we are not responsible for items which do not make it to our warehouse.


Electronic Communications

When you visit or send e-mails to us, you are communicating with us electronically and consent to receive communications from us electronically by email or posting notices on this site. You agree that all agreements, notices, disclosures and other communications that we provide to you electronically satisfy any legal requirement that such communications be in writing.


Your Account and Use of Site

AST Enzymes’ website and products are intended for adults only. You must be 18 years of age or older to purchase from our site. We do not knowingly correspond with or market to children under the age of 18.

If you use this site, you are responsible for maintaining the confidentiality of your account and password and you agree to accept full responsibility for all activities that occur under your account or password.

You agree to use this site only for lawful purposes. You agree to provide true, accurate, current and complete information about yourself in reference to your account. AST Enzymes reserves the right, in their sole discretion without notice, to refuse service, terminate accounts, remove or edit content, cancel orders, and refuse and all current or future use of this site.


Trademark and Copyright Notice

All content on this site, such as text, graphics, logos, button icons, images, audio clips, etc., is subject to copyright, trademark, service mark and intellectual property rights held by AST Enzymes. The compilation of all content on this site is the exclusive property of AST Enzymes and protected by U.S. and international copyright laws. Any trademark or copyright notices may not be deleted or altered in any way.

AST Enzymes grants you a limited, non-exclusive license to access and make personal use of this site. You agree not to interrupt or attempt to interrupt the operation of the Site in any way. You may not use any meta tags or any other “hidden text” utilizing AST Enzymes name or trademarks. This license does not include any resale or commercial use of this site or its contents; any collection and use of any product listings, descriptions or prices; any derivative use of this site or its contents; any downloading or copying of account information for the benefit of another merchant; or any use of data mining, robots, or similar data gathering and extraction tools. You may not frame or utilize framing techniques to enclose any trademark, logo, or other proprietary information (including images, text, page layout, or form). Any unauthorized use terminates the permission or license granted by AST Enzymes.


Applicable Law/Jurisdiction

By accessing and using, you agree that such access and use is subject to the terms, conditions, and policies outlined above, as well as applicable laws as governed and interpreted pursuant to the laws of the state of California, without regard to any principles of conflicts of laws.

Our failure to insist upon strict performance of any provision of these terms, conditions, and policies shall not be construed as an implicit waiver of any provision or right. If any portion of this agreement is deemed invalid, void or unenforceable, then such part shall be deemed severed, with the remainder of the agreement remaining in valid and enforceable.

AST Enzymes
13591 Yorba Ave.
Chino, CA 91710