GLOSSARY

Microbiome Maturation is developmental community change across life stages, not one mature target for every age.

Microbiomes vary between people and over time within one person, influenced by diet, medicines, geography, age and bowel habits. Stability concerns limited change over an interval; resilience concerns recovery or adaptation after disturbance. Record sampling conditions and recent events for personal comparisons. Being different from a teammate is not by itself unhealthy or a reason to copy that athlete's diet, supplements or presumed microbial target.

Microbial balance is not one universal fixed ratio, and dysbiosis without context is not a precise diagnosis. Changes after disease, medicines or diet can be described, but causes and consequences need separate study. A commercial index or one depleted group does not alone justify cleansing, antibiotics or supplements. Symptoms, function and clinical evidence remain central rather than forcing every community toward an assumed identical ideal.

Microbes interact with substrates, chemistry, the host and one another, rather than forming a simple good-versus-bad list. Cooperation, competition and use of another organism's products coexist. A species' effect depends on strain, location and context. In sports nutrition, a varied tolerable dietary pattern is more useful than maximizing one bacterial name without human evidence. Ecological relationships cannot be inferred from a single abundance measurement alone.

For example, read a post-travel or post-diet sample with the same period's history; a teammate difference or striking percentage alone is neither a supplement target nor proof of lost readiness.