Yes. You can feed your choice of Proflax oil with any of the powder or tincture products on the same day - just feed in different meals at opposite ends of the day. If you would like to feed two Proflax oils on the same day we suggesting feeding half of the recommended daily amount of each of the oils. Alternatively, you can feed the full recommended daily amount of each of your chosen oils on alternate days, so one oil on one day and the other the next. (It isnotadvisable to give the full recommended daily amount of two oils on the same day due to the concentration of the herbs, plus the overlap of support herbs in some of our formulas.