You mostly can’t eat the packs because the beads are a choking hazard, though sometimes manufacturers coat silica gel in toxic cobalt chloride. Either way, the beads are highly absorbent.

But in fact, these little beads are made of silicon dioxide, which is non-toxic and generally safe ... you can safely reuse ...

it’s best not to eat silica gel packets. The silica itself isn’t toxic, but some packets use other types of desiccants that might be. The warning label is mainly due to mechanical rather than ...

Desiccants are "hygroscopic substances that attract and absorb moisture from the surrounding air to maintain a state of ...