Eight brands of twenty-nine tested did not pass their tests. The twenty-nine tested are:
| Advocare | Nature's Plus |
| Bronson | NSI |
| Country Life | Nutri Vet |
| Cosamin | Pharmanex |
| Cosequin | Puritan's Pride |
| CVS | Rottapharm |
| Doctor's Best | Schiff |
| Drinkables | Symtec |
| HydraJoint | Swanson |
| GLC | TriMedica |
| Joint Max | Twinlab |
| Karuna | Vitamin World |
| Kirkland | Walgreens |
| Maxi Health | Weil |
| Nature Made | |
To find out more, visit http://www.consumerlab.com.