| s/n | Details | Day 0 | Day 90 | ||
| Room 30 ± 2˚C | Climatic 40˚C ± 2˚C/75% ± 5% Relative Humidity (RH %) | Oven 50˚C | |||
| 1 | Lamivudine-Tenofovir Disproxil Fumarate Alone | white | white | off-white | white |
| 2 | Lamivudine-Tenofovir Disproxil Fumarate-Crospovidone. | white | white | off-white | white |
| 3 | Lamivudine-Tenofovir Disproxil Fumarate-Magnesium Stearate | white | white | off-white | white |
| 4 | Lamivudine-Tenofovir Disproxil Fumarate -Carboxymethlycellulose | white | white | off-white | white |
| 5 | Lamivudine Alone | white | white | off-white | white |
| 6 | Tenofovir Disoproxil Fumarate Alone | white | white | yellowish white | white |
| 7 | Lamivudine-Tenofovir Disoproxil Fumarate-All Excipients | white | white | off-white | white |