For vitamins, supplements, and sports nutrition at Grossmont Center in La Mesa, The Vitamin Shoppe stocks thousands of SKUs across protein powders, pre-workout formulas, CBD hemp extract, and natural beauty products at 5500 Grossmont Center Drive. The protein and performance-supplement aisle supplies the same workout-nutrition pipeline that fuels training sessions at F45 Training La Mesa and other La Mesa fitness facilities. The Vitamin Shoppe Inc. launched in 1977 and now operates over 700 stores nationwide, with this Grossmont Center location staffed by Health Enthusiast specialists trained in supplement interaction and dosage guidance. The product range extends beyond sports nutrition into herbal remedies, aromatherapy oils, and collagen-based skincare, categories that intersect with the esthetics and wellness treatments at EverSun Beauty & Wellness in La Mesa. The store's highest-complexity consultation tier involves multi-supplement stacking protocols for clients managing specific macronutrient ratios, combining branched-chain amino acids, creatine monohydrate, and electrolyte formulations calibrated to individual training volume.