For most of what I move around this metro, courier distance is a comfort question. The lyophilized powder is packed insulated, it survives the ride, and the argument is really about how long you wait. Copper peptide changes that calculation slightly, because the two things that degrade it are heat and light, and both of those are functions of time spent outside rather than kilometres travelled.
Mandaluyong is where that arithmetic lands best. A run from stock held inside the metro does not have to cross the region to get here, so the box spends less of the afternoon on a bike and less of it waiting at an address. Compared with an Alabang run down the south corridor or a leg to the far side of Quezon City, the difference is not dramatic in minutes but it is consistent, and consistency is the thing that makes handling advice actually work.
The practical read: in this district a morning order genuinely does arrive in the early afternoon, which means the same-day handling sequence in section 04 is realistic rather than aspirational. That is not true everywhere in the metro.