After hours researching and comparing all models on the market, we find out the Best Go2 Endurance Device of 2025. Check our ranking below.<\/em><\/p>\n2,870 Reviews Scanned<\/span><\/strong><\/p>\n\n
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Rank No. #1<\/span>\n \n
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\n GO2 Sports Football Mouth and Lip Guard with Maximum Air Flow for Increased Oxygen and Endurance Includes Dental Warranty Made in The USA, Red <\/a>\n \n
- SCIENTIFICALLY PROVEN: We had independent PhD Scientists test GO\u00b2 against Battle Mouthguards. The results: GO\u00b2 mouthguards improved VO2 Max by 7% over Battle Mouthguards and Endurance by 6%. More oxygen means fresher legs \u2013 especially in the second half, ability to think more clearly, and recover faster between plays.<\/li>
- BEST QUALITY: With largest breathing hole on the market, the GO\u00b2 mouthguard provides full lip, mouth and teeth protection when you need it most while harnessing proven scientific principals of PEEP (Positive End Expiratory Pressure) to increase oxygen. Hospitals have used PEEP to help people breathe better for 40 years, so you know it works! The result: improved stamina, peak performance, and clearer thinking.<\/li>
- EASY TO USE: Easy to use and comfortable to wear, the mouthpiece is suitable for athletes with or without braces on their teeth; also one size fits most \u2013 just bite down and you\u2019re set.<\/li>
- DENTAL GUARANTEE: The high performance convertible strap mouth guard has an unlimited defective guarantee, and a 5K dental warranty, with or without braces.<\/li>
- 100% GUARANTEE: We stand by our product. If you are not 100% satisfied, contact us directly (even if after the Amazon return window) and we will provide you with your choice of a hassle and cost free replacement or refund. Designed by Doctors in the USA. Made in the USA. Meets WADA, International, National and High School rules. We stand by our product!!<\/li><\/ul> <\/div>\n <\/div>\n\n
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