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Tea K-Cup pods stay safe when sealed, but flavor fades after the best-by date and with poor storage.

Plain herbal infusions contain 0 grams of sugar; sweetness shows up only when brands or add-ins supply it.

Yes, Starbucks glass-bottle drinks contain caffeine; most 13.7-oz Frappuccino bottles have 60–110 mg per bottle.

Yes, many herbal teas can tint teeth over time, with darker or more acidic blends leaving marks more easily.

Yes, brewed tea can offer measurable health perks, mostly from polyphenols and sensible caffeine, when you prepare and drink it smart.

No, coffee usually delivers more caffeine per cup than tea, though brew strength, type, and serving size change the gap.

Yes, warm tea can soothe a sore throat by hydrating and easing irritation; adding honey may calm cough in people over age one.

Plain tea in water has ~0 kcal and won’t break a fast; milk, sugar, or kombucha add calories that end fasting.

Yes, many herbal teas offer specific health benefits, but effects vary by herb, dose, and quality.

Yes, many Swig drinks contain caffeine, depending on the base soda and any added energy boosts.