"Place has been closed for a while now"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2025-11-23T18:39:39Z
POI name: GNC
POI types: shop-nutrition_supplements
#organicmaps android 2025.11.26-5-Google

Unable to answer "This shop has been vacant. What’s here now?" – house number 1745: Building – way/481086823 via StreetComplete 62.1:

Didn't have the chance to take a photo, but this building is actively being demolished

This is a Shake Shack now

This is CAVA now