Exhibit 21
Following is a list of the
Company's subsidiaries, each of which, unless otherwise indicated, is wholly owned by the Company either directly or through another
subsidiary. Second-tier subsidiaries are listed under the name of the parent subsidiary.
| · | NuGenerex Diagnostics, LLC (Florida) |
| o | Rapid Medical Diagnostics Corporation (Delaware) |
| · | GNBT Canada Generex Pharmaceuticals, Inc. (Delaware) |
| · | NuGenerex Distribution Solutions, LLC |
| o | Grainland Pharmacy Holdings, LLC (Kansas) |
| o | Empire State Pharmacy Holdings, LLC (Delaware) |
| o | Grainland Pharmacy, LLC (Delaware) |
| o | Empire State Pharmacy, LLC (New York) |
| o | Medisource Partners, LLC (Delaware) |
| o | Pantheon Medical-Foot & Ankle , LLC (Delaware) |
| · | NuGenerex Therapeutics Holdings, LLC (Delaware) |
| o | NuGenerex Buccal Delivery Holdings, LLC (Delaware) |
| o | NuGenerex Oralyn, LLC (Delaware) |
| o | NuGenerex Olaregen, LLC (Delaware) |
| o | NuGenerex Regentys, LLC (Delaware) |
| · | NuGenerex Management Services, Inc. (Delaware) |
| o | NuGenerex Distribution Solutions 2, LLC (Delaware) |
| § | NuGenerex Class B Roll-Up LLC (Delaware) |
| § | Rappaport Services, LLC (Delaware) |
| § | NuGenerex DME Holdings, LLC (Delaware) |
