{
  "name": "FIT PROFIT caffeine half-life model",
  "checked": "2026-07-30",
  "formula": "remaining_mg = dose_mg * 0.5 ** (elapsed_hours / half_life_hours)",
  "half_life_range_hours": [
    2,
    8
  ],
  "default_half_life_hours": 5,
  "scope": "Educational scenario calculator; not an individual pharmacokinetic measurement.",
  "source": "https://www.bfr.bund.de/cm/349/children-and-adolescents-excessive-consumption-of-energy-drinks-health-risk-for-cardiovascular-system.pdf"
}