Indicates omitted material that is the subject of a confidential treatment request filed separately with the Commission. SUPPLY AGREEMENT This Supply Agreement ( Agreement ) is effective as of

Agreement ( Agreement ) is effective as of June 1, 2008 ( Effective Date ) and is between IMPROVE U.S.A., INC. ( Seller ), with its principal

place of business located at 215 Dalton Drive, Suite D, DeSoto, Texas 75115, and MANNATECH, INCORPORATED, ( Buyer ) with its principal place of business located at 600 S. Royal Lane, Suite 200, Coppell, Texas 75019.

develops and sells proprietary nutritional supplements and topical products through a network marketing system of independent distributors ( Associates ) throughout the United States, Canada, Australia, New Zealand,

the United Kingdom, Germany, Denmark, Japan, Taiwan, South Korea, and other countries as Buyer s business expands internationally;

Seller is a leading seller of high quality aloe vera powders and Seller has combined certain aloe vera powders to formulate a unique aloe vera powder blend (as further described in Exhibit A, the Product )

for Buyer s exclusive use in its proprietary supplements and topical products; and

The parties desire to enter into an exclusive

agreement for the sale and purchase of the Product under the terms and conditions set forth herein.

NOW, THEREFORE, in consideration of

the premises and mutual covenants and agreements contained herein, the Parties hereto agree as follows:

Seller has agreed to

sell to Buyer and Buyer has agreed to purchase from Seller the Product at the quantity and price and under the terms specified in Exhibit B to this Agreement.

Notwithstanding anything contained herein to the contrary, Seller does not have the right to terminate this Supply Agreement if the corrective action necessary to cure such breach cannot be completed within the Cure

Period; provided, however, that Buyer (i) has, within the Cure Period, initiated the necessary action required to cure such breach; and (ii) shall thereafter earnestly and continuously proceed to complete the corrective action necessary to

Notwithstanding anything contained herein to the contrary, Buyer shall not have the right to terminate this Agreement if the corrective action necessary to cure such breach cannot be completed within the Cure Period; provided, however, that

Seller (i) has, within the Cure Period, initiated the necessary action required to cure such breach; and (ii) shall thereafter earnestly and continuously proceed to complete the corrective action necessary to cure the breach.

If Buyer does not exercise its right of first refusal, Seller or such principal(s) may complete the sale to the Proposed Purchaser pursuant to the Offer

Price and Offer terms.

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IN WITNESS WHEREOF, the Parties hereto have executed this Agreement as of the date first above written.

QUALITY ASSURANCE AGREEMENT

IMPROVE U.S.A., INC.

Committed to the development and marketing of quality natural products

215 Dalton Drive Suite D, DeSoto, Texas 75115 Phone: ( 972) 230-9155 Fax: ( 972) 230-8824

IMPROVE U.S.A., INC.

Committed to the development and marketing of quality natural products

215 Dalton Drive Suite D, DeSoto, Texas 75115 Phone: ( 972) 230-9155 Fax: ( 972) 230-8824

Quality Assurance Plan (QAP)

Improve USA Aloe Vera Gel Powder (752)

Description of Product

Quality Assurance Requirements

An effective Quality Assurance Program (QAP) must be maintained by Improve USA to manage, perform and verify all work affecting quality of the product. This plan

describes the minimum quality assurance requirements that the company must implement in the manufacture, packaging and testing of the product. The QAP consist of the quality assurance controls necessary to produce a product that consistently meets

the predetermined specifications as described in attachment 1. These specifications must be supported by information as recommended by the Standardized Information for Dietary Ingredients, http://www.crnusa.info/SIDI/documents.html.

The QAP should at a minimum describe the following:

2. Grounds and Facilities

3. Equipment and Utensils

4. Written Procedures and Records

Aloe Vera Gel Powder Raw Material Improve USA 752*

Product Specification

PRODUCT PRICING & ORDERING

Buyer agrees to purchase a minimum of *** Kg. per month during the term of this Agreement.

The parties agree that pricing will be set every six months and will be based on the average volume per month purchased by Buyer during the previous six month period. As

of the Effective Date, the purchase price is $*** per Kg.

The parties agree that pricing may be adjusted during any such six month period to

account for Buyer s increased demand due to new product introductions or other intervening events.

Buyer shall bear all freight, insurance and

similar costs, and all sales taxes, with respect to such purchases. The purchase price of Product, together with all related freight, insurance and similar costs, and sales taxes, shall be paid by Buyer to Seller within thirty (30) days after

the date of invoice.

LIU Specialty Insurance Agency

8350 N. Central Expressway

Tele: (469) 232-5614

8150 N. Central Expressway

We are pleased to offer the following quotation on the above