When I came by for more then ten years ago you found a small supermarket out in the bush. ICA-lappträsk.
Strange opening times but they had air, soft drinks, food and camping gear. This is just after the museum about stone age village Saivaara.
Today this small supermarket is not there anymore. Instead you'll need to try ristogården instead. Ristogården is a small camping with café and kiosk. I´ll show you a map here: