Tea profileModerate caffeineblendLast updated November 1, 2026

Chai tea: what it is good for, and is it actually good for you?

Camellia sinensis (black tea, usually Assam) simmered with ginger, green cardamom, cinnamon, clove and black pepper; traditionally finished with milk and sugar

Chai tea is good for three things the human trials actually support: a modest drop in blood pressure and LDL cholesterol from its black tea base, relief from nausea thanks to ginger, and calm, steady alertness from the caffeine-plus-L-theanine pairing that is unique to tea leaf. The spices (cinnamon, cardamom, clove and black pepper) bring antioxidants and some early evidence on blood sugar and blood pressure, but at the half-gram or so of spice in a typical cup those effects are smaller than supplement trials suggest.

Whether chai is good for you depends almost entirely on how it is made. Masala chai simmered at home with tea, whole spices, a splash of milk and a teaspoon of sugar lands around 60–80 calories. A 16 oz cafe chai latte made from sweetened concentrate is a different drink: about 240 calories and around 42 g of sugar, more than a 12 oz can of cola. Same name, very different nutrition.

This page grades what chai can do ingredient by ingredient, using human studies and realistic cup-level doses rather than capsule doses. It also covers how to brew a proper masala chai, how much is sensible, and who should go easy on it: mainly people watching caffeine or sugar, anyone low in iron, and pregnant women.

What chai tea is good for

  • Blood pressure and cholesterol — black tea at 2–5 cups a day lowered systolic BP by about 2 mmHg and LDL by about 0.4 mmol/L in meta-analyses; modest but real
  • Nausea — ginger is well proven at about 1 g a day; a cup of chai made with 2–3 slices of fresh ginger gets you close, powdered-spice chai does not
  • Alertness — roughly 50 mg of caffeine plus L-theanine improves attention and reduces distractibility without the coffee jitters
  • Blood sugar — cinnamon lowered fasting glucose by about 24 mg/dL at supplement doses; a cup of chai delivers a fraction of that
  • Antioxidants — clove, cinnamon and cardamom rank among the highest-antioxidant spices tested, though human outcome data is thin
  • Calories — unsweetened brewed chai about 2 kcal; home chai with milk and 1 tsp sugar about 60–80 kcal; a 16 oz cafe chai latte about 240 kcal and 42 g sugar

Chai tea benefits, graded by the evidence

Strong = multiple human trials or a meta-analysis. Moderate = a few small trials. Preliminary = early, traditional or animal data.

  1. Lowers blood pressure and LDL cholesterol a little

    Strong evidence

    The black tea in chai is the best-studied ingredient. A 2013 Cochrane review of randomised trials found black tea lowered LDL cholesterol by about 0.43 mmol/L (roughly 17 mg/dL) and systolic blood pressure by about 1.9 mmHg. A 2014 meta-analysis of 11 trials in 378 adults drinking 2–5 cups a day for at least a week found systolic pressure fell 1.8 mmHg and diastolic 1.3 mmHg. Small numbers, but they hold up across studies and cost nothing. Adding milk does not appear to cancel the effect in most trials.

    Key evidenceHartley et al., Cochrane Database of Systematic Reviews 2013; Greyling et al., PLoS One 2014

  2. Settles nausea (if there is real ginger in it)

    Moderate evidence

    Ginger is one of the few herbs with strong trial evidence for nausea: a meta-analysis of 12 randomised trials in 1,278 pregnant women found about 1 g a day for at least 4 days reduced nausea significantly versus placebo, though it did little for vomiting episodes. The catch is dose. Two or three thin slices of fresh ginger (about 5 g fresh, roughly 1 g dried equivalent) simmered into a cup gets you into the trial range; the pinch of ground ginger in a spice-mix or concentrate chai delivers maybe a quarter of that. We grade chai itself Moderate for that reason.

    Key evidenceViljoen et al., Nutrition Journal 2014 (ginger for pregnancy nausea)

  3. Improves attention without jitters

    Strong evidence

    A cup of black tea supplies 40–70 mg of caffeine plus 10–25 mg of the amino acid L-theanine. In a double-blind crossover trial of 27 adults, 50 mg caffeine with 100 mg L-theanine improved speed and accuracy on attention-switching tasks and reduced susceptibility to distraction compared with caffeine alone. A 2014 meta-analysis pooling tea-constituent trials confirmed the combination improves alertness and attention over the first 1–2 hours. Theanine is why many people find tea smoother than coffee at the same caffeine dose.

    Key evidenceHaskell et al., Biological Psychology 2008; Camfield et al., Nutrition Reviews 2014

  4. May nudge blood sugar and cholesterol down (cinnamon)

    Moderate evidence

    A meta-analysis of 10 randomised trials in 543 people with type 2 diabetes found cinnamon at 120 mg to 6 g a day for 4–18 weeks lowered fasting glucose by 24.6 mg/dL, LDL by 9.4 mg/dL and triglycerides by 29.6 mg/dL, but did not change HbA1c. A cup of homemade chai carries about 0.3–1 g of cinnamon, so expect a fraction of that effect. One caution: cassia cinnamon (the common kind) contains coumarin, which can stress the liver at a teaspoon or more daily; a stick in a pot of chai is well below that, but daily heavy use is a reason to choose Ceylon cinnamon.

    Key evidenceAllen et al., Annals of Family Medicine 2013 (meta-analysis of cinnamon in type 2 diabetes)

  5. Speeds digestion and eases bloating after meals

    Preliminary evidence

    Ginger, cardamom, clove and black pepper are all traditional carminatives, and ginger has the only hard data. In a crossover study of 24 healthy volunteers, 1.2 g of ginger shortened gastric half-emptying time from 16.1 to 12.3 minutes and increased stomach contractions, which fits its reputation for easing the heavy, over-full feeling after a meal. Cardamom and clove show antispasmodic effects on gut muscle in laboratory preparations only. A hot cup after a large meal is a sensible use; it is not a treatment for a diagnosed digestive disorder.

    Key evidenceWu et al., European Journal of Gastroenterology and Hepatology 2008 (ginger and gastric emptying)

  6. Cardamom may lower blood pressure

    Preliminary evidence

    In a 12-week study of 20 adults with newly diagnosed stage 1 hypertension, 3 g a day of cardamom powder significantly lowered systolic and diastolic blood pressure, improved fibrinolysis (clot breakdown) and raised antioxidant status by about 90%. It had no placebo group, and 3 g is roughly ten times the cardamom in a cup of chai. Promising, unconfirmed, and not a substitute for blood pressure medication.

    Key evidenceVerma et al., Indian Journal of Biochemistry and Biophysics 2009

  7. Delivers a concentrated dose of spice antioxidants

    Preliminary evidence

    When 26 common spices were ranked for phenolic content and antioxidant capacity, clove came first by a wide margin, with cinnamon not far behind; cardamom and black pepper are mid-table. Simmering releases these compounds into the water, and black tea adds its own theaflavins. What is missing is evidence that this translates into fewer illnesses in people: antioxidant capacity in a test tube does not reliably predict health outcomes, so treat this as a plus rather than a reason to drink chai.

    Key evidenceShan et al., Journal of Agricultural and Food Chemistry 2005 (antioxidant capacity of 26 spices)

Is chai tea good for you?

  • Yes, if you make it: brewed masala chai with a little milk and modest sugar is a healthy daily drink with real, if modest, cardiovascular and digestive upsides.
  • Cafe chai lattes are closer to a dessert. The 40-plus grams of sugar in a 16 oz grande exceeds the American Heart Association's whole-day added-sugar limit (25 g for women, 36 g for men) in one cup.
  • Caffeine is moderate: 2–3 cups a day is fine for most adults. Stop by early afternoon if you sleep lightly, and keep to 1–2 cups in pregnancy to stay under 200 mg of caffeine a day.
  • Low in iron? Drink chai between meals, not with them. Tea polyphenols can cut absorption of non-heme (plant) iron by 60–90% when taken with food, and milk does not offset that.
  • Acid reflux, panic or anxiety disorders and uncontrolled high blood pressure are reasons to limit caffeine, so limit chai too, or make it with rooibos instead of black tea.

How to brew chai tea

Amount

Per 8 oz cup: 1 teaspoon (2 g) loose black tea (Assam CTC is traditional) with 2–3 thin slices fresh ginger, 2 lightly crushed green cardamom pods, a 1-inch piece of cinnamon stick, 2 cloves and 2 black peppercorns

Water

212°F / 100°C, simmered on the stove rather than steeped in a cup

Steep

Simmer the spices in water for 5 minutes, add the tea and simmer 2 more minutes, add 2–4 oz milk, bring just back to a simmer, strain

  • Crush the cardamom and slice the ginger fresh; whole, uncrushed spices give up very little in 7 minutes.
  • Add sugar at the table, not in the pot. One teaspoon (4 g) is enough to round out the spice; sweetened concentrates run 20–40 g per serving.
  • For a caffeine-free version, swap the black tea for 2 teaspoons of rooibos and simmer the same way.

How much per day

Two to three cups a day is a sensible ceiling for most adults, which keeps caffeine under about 200 mg and, at a teaspoon of sugar per cup, added sugar under 15 g. If you drink cafe chai lattes, treat one grande as your entire added-sugar budget for the day.

About 40–70 mg per 8 oz cup of brewed masala chai. A 16 oz cafe chai latte has roughly 70–95 mg, about the same as a shot of espresso.

Side effects, interactions and who should limit it

Side effects

  • Caffeine effects: restlessness, faster heartbeat or poor sleep, especially after 2 pm or beyond 3 cups
  • Heartburn: caffeine and black pepper relax the lower oesophageal sphincter in some people with reflux
  • Reduced iron absorption when drunk with meals, a problem for people who are already iron-deficient
  • Blood sugar spikes and weight gain from sweetened concentrates and cafe versions, not from the tea itself
  • Coumarin exposure from heavy daily cassia cinnamon use, which can raise liver enzymes in sensitive people

Interactions

  • Stimulants and decongestants (ADHD medication, pseudoephedrine, high-dose caffeine pills): additive jitteriness and heart rate
  • Anticoagulants and antiplatelets (warfarin, clopidogrel, aspirin): ginger, cinnamon and clove each have mild antiplatelet activity; a cup or two is fine, but tell your prescriber if you drink a lot
  • Diabetes drugs (insulin, sulfonylureas): cinnamon and ginger can add a little extra glucose lowering; monitor if you drink several cups daily
  • Iron supplements: take them at least 1–2 hours away from chai
  • Lithium and some antipsychotics (clozapine): caffeine changes how fast these are cleared, so keep your intake steady

Pregnancy and breastfeeding

Chai is fine in pregnancy at 1–2 cups a day, which keeps caffeine well under the 200 mg daily limit most obstetric guidance recommends, and the ginger may actually help morning sickness. Keep cinnamon to a stick in the pot rather than spoonfuls of powder, and go easy on sugar. While breastfeeding, the same 1–2 cups is reasonable; caffeine passes into milk in small amounts.

Frequently asked questions

How many calories are in a chai latte?

It depends entirely on the sugar. A 16 oz cafe chai latte made with 2% milk and sweetened concentrate is about 240 calories with around 42 g of sugar. A homemade cup with 3 oz of whole milk and a teaspoon of sugar is about 60–80 calories. Brewed masala chai with no milk or sugar is about 2 calories. Ask for 'one pump' or unsweetened concentrate to bring a cafe chai down to roughly 100–130 calories.

Does chai tea have caffeine?

Yes, because it is built on black tea. Expect 40–70 mg per 8 oz home-brewed cup and roughly 70–95 mg in a 16 oz cafe chai latte, compared with about 95 mg in an 8 oz coffee. A 'dirty chai' adds a shot of espresso for about 160 mg total. Rooibos chai and most 'chai spice' herbal blends are caffeine-free.

Is chai tea better for you than coffee?

For most people they are roughly equal, and both are linked to lower cardiovascular risk in large cohort studies. Chai has about half the caffeine per cup plus L-theanine, which makes the lift smoother, and the spices add antioxidants. Coffee has more caffeine and more evidence on type 2 diabetes and liver health. The honest answer: a sweetened chai latte is worse for you than black coffee, and an unsweetened chai is at least as good.

Is chai tea good for weight loss?

Plain or lightly sweetened chai will not add weight and may help a little: black tea catechins and theaflavins produced small (under 1 kg) reductions in trials, and swapping a sugary drink for chai saves real calories. Cafe chai lattes do the opposite; 240 calories a day in liquid sugar adds up to roughly a pound every two weeks if nothing else changes.

What is the difference between chai and masala chai?

'Chai' simply means tea in Hindi, so 'chai tea' is literally 'tea tea'. Masala chai is spiced tea: black tea simmered with a masala (spice mix) of ginger, cardamom, cinnamon, clove and often black pepper, fennel or star anise, then finished with milk and sugar. In Western cafes 'chai' almost always means masala chai, and 'chai latte' means a sweetened chai concentrate topped with steamed milk.

Is chai tea good for a cold or sore throat?

It is a good comfort drink for one. Hot fluids ease congestion and throat pain for an hour or so, ginger has mild anti-inflammatory effects, and the steam helps. No ingredient in chai has been shown to shorten a cold. Skip the milk if it makes your throat feel thicker, and add honey, which has modest evidence for cough.

Can I drink chai tea every day?

Yes. Two to three cups of homemade chai daily is a healthy habit; the black tea trials that show blood pressure and cholesterol benefits used daily intake for weeks. The daily questions are caffeine (keep it under 200–400 mg total), sugar (a teaspoon per cup, not a syrup pump) and iron (drink between meals if you are anaemic).

References

  1. Hartley L, Flowers N, Holmes J, et al.. Green and black tea for the primary prevention of cardiovascular disease. Cochrane Database of Systematic Reviews (2013)
  2. Greyling A, Ras RT, Zock PL, et al.. The effect of black tea on blood pressure: a systematic review with meta-analysis of randomized controlled trials. PLoS One (2014)
  3. Viljoen E, Visser J, Koen N, Musekiwa A. A systematic review and meta-analysis of the effect and safety of ginger in the treatment of pregnancy-associated nausea and vomiting. Nutrition Journal (2014)
  4. Allen RW, Schwartzman E, Baker WL, et al.. Cinnamon use in type 2 diabetes: an updated systematic review and meta-analysis. Annals of Family Medicine (2013)
  5. Haskell CF, Kennedy DO, Milne AL, et al.. The effects of L-theanine, caffeine and their combination on cognition and mood. Biological Psychology (2008)
  6. Verma SK, Jain V, Katewa SS. Blood pressure lowering, fibrinolysis enhancing and antioxidant activities of cardamom (Elettaria cardamomum). Indian Journal of Biochemistry and Biophysics (2009)
  7. Wu KL, Rayner CK, Chuah SK, et al.. Effects of ginger on gastric emptying and motility in healthy humans. European Journal of Gastroenterology and Hepatology (2008)
  8. Shan B, Cai YZ, Sun M, Corke H. Antioxidant capacity of 26 spice extracts and characterization of their phenolic constituents. Journal of Agricultural and Food Chemistry (2005)
  9. Hurrell RF, Reddy M, Cook JD. Inhibition of non-haem iron absorption in man by polyphenolic-containing beverages. British Journal of Nutrition (1999)
  10. Abraham K, Wöhrlin F, Lipp O, et al.. Toxicology and risk assessment of coumarin: focus on human data. Molecular Nutrition and Food Research (2010)
  11. National Center for Complementary and Integrative Health. Ginger (2020)View source

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This page is educational and is not medical advice. Herbal teas can interact with prescription medicines. Talk with a clinician or pharmacist before relying on any of them, especially if you are pregnant, breastfeeding, have a chronic condition, or take medication.