The Love ❤️ Affair of Coffee and Tea

How two bitter-tasting lovers make life sweeter

Holly Xing, Nutrition Scientist

The secret of this happy marriage? Two bitter-tasting lovers that bring out the sweetness in each other.

Who knew bitterness could make your brain sharper and your mood better – and actually make life sweeter?

The world’s most popular drinks are not sugary sodas or neon energy drinks, but two sophisticated, slightly bitter overachievers: coffee and tea.

Coffee: the intense, passionate one

Coffee is that passionate partner who shows up bold, complex, with extra intensity. It contains hundreds of bioactive compounds that create its rich flavor and powerful health benefits, including bitter alkaloids that have been studied for their neuroprotective effects.

So yes, bitterness is a desirable character trait, not a flaw. Appreciate it, cherish it, and maybe don’t drown it in sugar and cancel out the magic.

Tea: the calm, collected one

But every intense love story needs balance.

Tea is the partner who brings balance to the relationship. It contains L‑theanine, a unique amino acid that teams up with caffeine to improve alertness and cognitive function.

They complement each other beautifully: caffeine does the “wake up, let’s go” part, while L‑theanine smooths the edges with “Slow is smooth, smooth is fast”.

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When caffeine met L‑theanine, it wasn’t just chemistry – it was a match made in brain wave heaven.

When L-theanine and caffeine meet in your cup, they nudge your brain into a sweet spot of calm focus.  

L-theanine boosts soothing alpha waves, giving you that relaxed, clear mind, while caffeine turns up focusing beta waves so you feel bright and awake, but without the jitters.

Meet JostArriba, the love child of coffee and tea

Now imagine a drink that steals the passionate intensity of coffee and the calm, steady clarity of tea, then puts them in one blissfully functional mug. That’s JostArriba: crafted to keep you motivated, focused, calm and lovingly yourself – not buzzing, spiraling, or emotionally unavailable to your own brain.

This Valentine’s Day, skip the heart‑shaped sugar rush. The real love story is in your cup JostArriba: two bitter partners bringing out the best in each other, and in your heart and brain.

Place any order between Feb 13–20, 2026 and receive a FREE 8-Pack of JostArriba to share with your loved ones, use Coupon code: LOVE at check out