Spit it out: Is caffeine mouth rinse an effective ergogenic aid? A systematic review and meta-analysis - Nabuco, L. L.; Mendes, G. F.; Barreto, G.; Saunders, B.; Reis, C. E. G. (Strength and Conditioning Journal, 2023)
Keywords: ergogenic aid; supplementation; relation; performance; heart rate; maximum; RPE; USA; biological and medical sciences