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Ingredients & botanicals
What is actually in the cup — collagen, black tea, the warming spices and botanicals — and what the research says about each.
Chai Spices
- Cardamom: Digestion, Blood Pressure, and the Queen of SpicesCardamom is prized for its aroma and traditional use as a digestive — and trials link it to modest blood-pressure and metabolic effects. Here’s the evidence.
- Cinnamon: Cassia vs Ceylon and the Blood-Sugar EvidenceCinnamon is more than a warming spice — small trials have studied its effect on fasting glucose. Plus cassia vs Ceylon and the coumarin caveat.
- Ginger: The Evidence on Nausea, Digestion, and JointsGinger has some of the strongest spice evidence — especially nausea, with emerging data for knee osteoarthritis. What trials report and how it's used.
- Is Cinnamon Banned in the EU? Coumarin and Cassia vs CeylonCinnamon isn't banned in the EU — but coumarin, concentrated in cassia, is regulated. The EU vs US picture, cassia vs Ceylon, and what it means.
Collagen
- Collagen Peptides: What They Are and How They're AbsorbedCollagen peptides are hydrolyzed collagen — short amino-acid chains the body absorbs. The science on bioavailability, skin, joints, and nails.
- Does Collagen Tea Actually Work? An Honest LookCollagen peptides have modest trial support for skin, nails, and joints. Whether collagen tea "works" comes down to dose and consistency.
- Does Hot Water Destroy Collagen? The Tea & Coffee AnswerNo — collagen peptides are already hydrolyzed, so hot water dissolves them rather than destroying them. The science of collagen in hot tea or coffee.
- Is Collagen Tea Safe? A Guide by GroupCollagen peptides are generally well tolerated; for collagen tea, the main safety question is caffeine from the tea base. What each group should know.
Functional Botanicals
- Ashwagandha: An Adaptogen Studied for Stress and SleepAshwagandha is the most-studied adaptogen, with trials measuring effects on perceived stress and sleep. Here's the evidence, doses, and caveats.
- The Best Adaptogen Tea: Ingredients Ranked by the Research"Adaptogen tea" is a category, not a guarantee. Here's what research describes for the main adaptogens — and why standardized extracts beat the label.
- Turmeric & Curcumin: The Evidence and Absorption ProblemCurcumin, turmeric's active compound, is studied for inflammatory markers and osteoarthritis — but is poorly absorbed alone. The science and pepper fix.
Tea Base
Tea Compounds
More topics
- Benefits & GoalsOutcome-first guides: skin and beauty, gut and digestion, energy, joints, sleep and healthy weight — and what to drink for each.
- Teas & BlendsWhat to drink: chai, matcha, black, green, oolong, rooibos and functional blends — defined, compared and explained.
- Recipes & RitualsHow to prepare and when to drink — brewing guides, recipes and daily rituals that fit a busy morning.
- Healthy LivingEating well, functional nutrition and the everyday habits behind a healthier you.