Dúnedain Survival Rations

[Ardamir the Blessed]

Yes, all that line had the ability. I believe that the ability was derived from the Maia portion of their blood (from Melian):

The published Silmarillion:

Melian was the name of a Maia who served both Vána and Estë;

Estë the gentle, healer of hurts and of weariness, is his [Irmo's] spouse.

So Melian had probably the ability.