Please read our terms and conditions carefully before using Zo2.
The content, recommendations, and training plans provided by Zo2 are intended for general informational and educational purposes only and are not a substitute for professional medical advice, diagnosis, or treatment.
Always consult with your physician or another qualified healthcare provider before starting any exercise program or making any changes to your current fitness regimen, especially if you have any pre-existing health conditions or concerns. This app is designed to supplement, not replace, professional medical advice.
The health and fitness information provided by Zo2 is based on research and published studies from reputable sources, including:
• VO₂ Max Charts: Mayo Clinic Proceedings (https://www.mayoclinicproceedings.org/article/S0025-6196(15)00642-4/pdf) and Garmin (https://www.garmin.com/en-US/blog/fitness/whats-a-good-vo2-max-for-me/)
• Research and Longevity: PubMed (https://pubmed.ncbi.nlm.nih.gov/29293447/), PMC articles (https://pmc.ncbi.nlm.nih.gov/articles/PMC4836566/, https://pmc.ncbi.nlm.nih.gov/articles/PMC6306777/), and Cleveland Clinic (https://my.clevelandclinic.org/health/articles/23490-heart-rate-recovery, https://my.clevelandclinic.org/health/diagnostics/heart-rate, https://health.clevelandclinic.org/what-is-vo2-max-and-how-to-calculate-it)
• Zone Training Information: Burrell (https://burrell.edu/blog/2021/10/29/guest-article-zone-2-training-by-dr-melissa-gomez/), Colorado State University (https://chhs.source.colostate.edu/how-to-target-heart-rate-training-zones-effectively/), and PMC (https://pmc.ncbi.nlm.nih.gov/articles/PMC4836566/)
• Testing Methods: PMC (https://pmc.ncbi.nlm.nih.gov/articles/PMC5221270/)
Important: In addition to using this app, always seek the advice of a qualified healthcare provider and consult with a doctor before making any medical decisions.