The top 10 neighbors for BSN span fitness supplements, video games, movie franchises, a TV show, and an outdoors brand — no single subcategory dominates, which is the defining structural fact of this audience.
The shape is broad. Bodybuilding.com (0.81) and MusclePharm (0.77) are the two fitness-subcategory neighbors in the top 10, and they sit at the top of the list. Below them, the set pivots sharply away from fitness: Anthem (0.76) and Borderlands 3 (0.73) are Video Game Franchises; The Hobbit (0.75) and Harry Potter Film (0.70) are Movie Franchises; Bethesda Game Studios (0.72) is a Game Developer; Forza Motorsport (0.73) is another Video Game Franchise; Teen Mom (0.71) is a TV Show; and 5.11 Tactical (0.70) is an Outdoors brand. That's six distinct subcategories across the bottom eight neighbors. The cross-kind pattern here is pronounced: a fitness supplement brand whose audience shape overlaps substantially with gaming franchises, fantasy film properties, and tactical gear — not just other supplement or fitness brands. Only two of the ten neighbors share BSN's own Fitness subcategory.
The breadth of this neighbor set suggests an audience that doesn't cluster tightly around any single interest vertical, making it structurally resistant to simple category-based targeting.