Five premium single-origin coffees, each with a distinct caffeine profile Onyx Coffee Lab recently unveiled Circadian, a first-of-its-kind coffee system featuring five caffeine levels. The collection gives consumers control over their caffeine intake throughout the day, from high-energy mornings to low-caffeine evenings, while preserving flavor integrity. Image Source: Onyx Coffee Lab "In today's caffeine-driven culture, reliance on stimulants often disrupts energy balance, beverage quality, and sleep," said Jon Allen, co-founder of Onyx Coffee Lab, in a recent press [read more]