Freezing Capsules or Tablets may hold the potency longer, however we haven't tested this nor do we recommend freezing. The reason why is that tablets are very delicate when it comes to moisture. If any moisture gets into the bottle while in the freezer, the tablet could break down. It is also possible that if the bottle should be removed from the freezer and come to room temperature, this could also create moisture and break down the tablet.
Softgels should not be refrigerated since the glycerin may absorb moisture condensation due to temperature changes, resulting in the softgels sticking together. When softgels are frozen, expansion of contents may cause breakage or leaking, so freezing is also not recommended.