Quality is Guaranteed

Established Quality Assurance Program

When you use Mannatech products, you can be confident that you have made the best choice for your health and wellness. We follow an established quality assurance program and current Good Manufacturing Practices (cGMPs) designed to ensure that proper controls are maintained in the manufacturing, evaluation, packaging, storage and distribution of our products. Quality, safety and integrity are our top priorities in bringing you products that meet or exceed customer, regulatory and industry standards.


Real Facts: Scientific Validation, 70 Patents and a Money-Back Guarantee

Various scientists have validated the uniqueness of Mannatech’s products through their own research, and numerous studies have been published on our products.

100% Satisfaction Guarantee100% Satisfaction GuaranteeWith more than 70 patents worldwide, we’ve been changing the health and wellness of people just like you for years and believe, without a doubt, that you will be satisfied with the quality of our products. That’s why we offer one of the best satisfaction guarantees out there. You can try any of our products for up to three months risk free. If after three months you’re not satisfied, contact our Customer Services department at 01235 441 800, and we will provide you with a full refund.†


†Mannatech guarantees your full satisfaction. If not completely satisfied contact Customer Services and return the product within 90 days for a full refund. See Section 5.13 of the Associate Policies & Procedures for full details.