Unit packaging restrictions on supplements with more than 30 mg of iron have since reduced deaths to 0 or 1 per year.

In some jurisdictions, unit packaging such as blister packs is also regulated for child safety.

Bulk tar shipping for offsite unit packaging for use in tar-and-gravel roofing.

Targeted packaging restrictions in the US for supplement containers with over 250 mg elemental iron have existed since 1978, and recommendations for unit packaging have reduced the several iron poisoning fatalities per year to almost nil since 1998.