Glossary.
A working reference for the compounds, hormones, prescriptions, supplements, and training concepts that show up in the SYSTEMM protocol. Mechanism-first, plain-language, no fluff. Pick an axis, or jump to the A–Z index →
Inputs that compound.
Macronutrients, micronutrients, patterns, mechanisms, compounds, foods, hydration. Defined for the people who treat what they eat as a protocol.
Explore nutrition ,Caffeine, individual response
CYP1A2 genotype determines how fast you metabolize caffeine. Some people get the lift; others get only the cortisol cost. If coffee makes you anxious, it's not in your head.
Hydration test
Morning urine color. Pale straw = adequate. Dark amber = behind. The simplest at-home test; trust it over any eight-glasses rule.
Alcohol, training, recovery
Even moderate alcohol within 3 hours of training cuts muscle protein synthesis ~30% and disrupts sleep architecture. The single highest-leverage cut for people who train hard.