1. GNC (vitaminsandsupplements) in Colton, CA
Operator computes a Health score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how GNC broke down on May 3, 2026.
GNC is indexed in Operator's Vitaminsandsupplements market index for Colton, CA.
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