#robusta vs arabica caffeine

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Low-angle macro of dark roasted coffee beans scattered beside a metal phin filter slowly dripping into a clear glass on a pale wooden counter, soft bright window light

How Strong Is Vietnamese Coffee? Caffeine, Robusta and Pacing

Why Vietnamese phin coffee hits harder than your usual cup: robusta caffeine, brew ratios, the FDA 400 mg guidance, and how to pace coffee on a hot trip.

11/10/2026 7 min read