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Any unopened bottle purchased directly from Houston Enzymes may be returned within 60 days of purchase for a full refund. Products are guaranteed to be active to the level stated on the label, within the stamped expiration date.


If your desired shipping method shows a cost of $99.99, the weight of your of order has exceeded our shipping calculator's maximum value. A more reasonable custom shipping rate will be calculated and applied to your order before your credit card is charged.


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Dr. Houston would be happy to speak to your parent group at no charge. To invite Dr. Houston to your group, please click the link below.

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