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How Much Caffeine Is in F3?
F3 Pure and F3 Energy each carry 120 mg of caffeine from green tea per can, F3 Mood has none. Here is how that stacks up against the FDA's daily...
Which Drinks Help With Stress and Focus? GABA, Chamomile, Valerian
A plain breakdown of GABA, chamomile, magnesium, and valerian root, the calm-focus ingredients behind F3 Mood, and what each one actually does.