Exhibit 21

List of Subsidiaries

The Company has twenty-one wholly-owned subsidiaries located throughout the world, as follows:

1. Mannatech Australia Pty Limited

2. Mannatech Japan, Inc.

3. Mannatech Korea, Ltd.

4. Mannatech Limited (a New Zealand Company)

5. Mannatech Limited (a UK Company)

6. Mannatech Taiwan Corporation

7. Mannatech Taiwan Corporation Taiwan Branch

8. Mannatech Foreign Sales Corporation

9. Mannatech Payment Services Incorporated

10. Mannatech Products Company Inc.

11. Internet Health Group, Inc.

12. Mannatech (International) Limited

13. Mannatech, Incorporated Malaysia Sdn. Bhd.

14. Mannatech Singapore Pte. Ltd.

15. Mannatech Canada Corporation

16. Mannatech South Africa (Pty) Ltd

17. Mannatech Bermuda Holdings Limited

18. Mannatech Denmark ApS

19. Mannatech (Gibraltar) Holdings Limited

20. Mannatech Swiss Holdings GmbH

21. Mannatech Swiss International GmbH