Tea vs Coffee: Caffeine, Calm and Which to Choose

Coffee has more caffeine, about 95 mg per cup, so it hits harder and faster. Tea has 25 to 70 mg, plus L-theanine, an amino acid that smooths caffeine into calm, steady focus without the jitters or the crash. For all-day energy, calm and better sleep, tea is the smarter everyday cup.

The research backs that up. In randomized trials, the caffeine and L-theanine combination in tea improved attention and focus while reducing distraction. [1] [2] And in a study at University College London, people who drank black tea daily for six weeks had lower levels of the stress hormone cortisol after a stressful task than those drinking a placebo. [3]

Tea vs Coffee at a Glance

	Coffee	Tea
Caffeine per cup	~95 mg	25 to 70 mg (herbal: 0)
L-theanine	None	Yes, in all true teas
How the lift feels	Fast, strong, can spike and crash	Smooth, steady, focused
Stress response	Caffeine raises cortisol [4]	Tea drinkers recovered faster from stress [3]
Caffeine-free option	Decaf (traces remain)	Hundreds of naturally caffeine-free herbal teas
Evening friendly	Rarely	Yes, with herbal tea
Cost per home cup	Varies	About 72¢ (Avodah loose leaf)

Full caffeine numbers for every tea in Caffeine in Tea Explained.

Caffeine: Coffee Is Stronger, Tea Is Smarter

Coffee delivers roughly twice the caffeine of black tea and three times that of green tea. That is why coffee feels like a jolt and tea feels like a lift. If you need the biggest possible kick, coffee wins. If you want energy that lasts all morning without the edge, tea does.

The L-Theanine Difference

Tea's secret weapon is L-theanine, an amino acid found almost only in the tea plant.

•             It creates calm alertness. L-theanine increases alpha brain waves, the pattern linked to relaxed focus, within about 40 minutes. [5]

•             It sharpens focus with caffeine. In randomized trials, L-theanine plus caffeine improved attention switching and alertness and reduced distraction, compared with caffeine alone. [1] [2]

•             It softens the edge. Many people who feel jittery on coffee feel focused on tea, thanks to this pairing.

For the most L-theanine per cup, choose matcha. See Green Tea to Relax.

Stress: Tea Helps You Recover

Caffeine on its own nudges up cortisol, your main stress hormone. In a controlled study, caffeine raised cortisol throughout the day, even in regular coffee drinkers. [4]

Tea tells a different story. In the University College London trial, black tea drinkers had lower cortisol after a stressful task and reported feeling more relaxed during recovery. [3] Add the calming ritual of brewing a cup and tea is the clear choice for stressful days.

Heart Health: Tea's Strong Track Record

Tea has some of the best-studied heart benefits of any drink.

•             In a six-month randomized trial, three cups of black tea a day lowered blood pressure. [6]

•             A meta analysis found people drinking three cups of tea a day had a 21% lower risk of stroke. [7]

Sleep: Tea Wins by a Mile

Caffeine's half-life is about 5 hours, so half of a 3 pm coffee is still in your system at 8 pm. [8] In a sleep study, caffeine taken even six hours before bed cut more than an hour from total sleep. [9]

Tea gives you two advantages: less caffeine per cup, and a whole world of caffeine-free herbal teas for the afternoon and evening. Swap the 3 pm coffee for rooibos and the bedtime cup for chamomile and valerian, and your sleep gets the benefit. See The Best Caffeine Free Teas for Sleep.

Jitters and Anxiety

Too much caffeine can trigger jitters and anxious feelings, especially in sensitive people. [10] Tea's lower caffeine and L-theanine make it far gentler. Already over-caffeinated? Here is what to do: How to Get Rid of Caffeine Jitters.

Hydration: Both Count

Tea and coffee both hydrate you at normal amounts. Controlled trials found black tea hydrated as well as water [11] and moderate coffee intake did not dehydrate. [12] More in Does Tea Hydrate You?

Cost: Tea Is the Everyday Luxury

A café latte costs around $6. A cup of Avodah loose leaf costs about 72¢, and less when you re-steep. Over a year of workdays, that difference adds up to well over $1,000.

Is Tea Healthier Than Coffee?

For most people, tea is the better everyday choice. Coffee has real benefits of its own, but tea gives you:

•             a smoother lift, thanks to L-theanine [1]

•             a faster recovery from stress [3]

•             lower blood pressure with regular black tea [6]

•             far less impact on sleep, with caffeine-free herbal options for evenings

•             the calm of a daily ritual

How to Switch From Coffee to Tea

Do it gradually so you never miss your morning lift.

1.          Week 1: swap your afternoon coffee for a black tea like Velvet Earl Grey. Same comfort, half the caffeine.

2.          Week 2: swap your second morning coffee for matcha. Green Zen gives you the most L-theanine of any tea.

3.          Week 3: make your first cup a strong black tea or matcha, and your evening cup a caffeine-free herbal blend.

Missing the coffee taste? Rooibos is rich, smooth and naturally sweet with no caffeine. Try it with a splash of milk. Missing the café? Make a London Fog with Velvet Earl Grey and steamed milk.

A mild headache in the first few days is normal as your body adjusts; it usually fades within a week.

Which Should You Choose, and When?

•             Need a fast, strong start? Coffee, or a strong cup of matcha.

•             Want calm, steady focus all morning? Green tea, matcha or oolong.

•             Afternoon slump? Black tea before 2 pm, rooibos after.

•             Evening? A caffeine-free herbal blend.

The Avodah Moment: From Fuel to Ritual

Avodah means devotion and service. Coffee is often fuel: gulped on the way out the door, refilled to keep going, another way to push through for everyone else.

Tea asks you to stop. Boil the water. Wait for the steep. Hold the cup. For three or four minutes, you are not pushing through anything. You are simply present. Let your morning tea be the one moment of your day that is not a race.

You cannot pour from an empty cup. This is where you fill yours.

Shop Green Zen Matcha | Shop Velvet Earl Grey | Shop Caffeine-Free Herbal Teas

Frequently Asked Questions

Is tea healthier than coffee?

For most people, tea is the better everyday cup: a smoother lift from L-theanine, faster stress recovery, blood pressure benefits and far less impact on sleep.

Does tea give you energy like coffee?

Yes, but more gently. Tea has less caffeine plus L-theanine, so the lift is steady rather than a spike and crash.

Why does coffee make me jittery but tea doesn't?

Tea has less caffeine and contains L-theanine, which in clinical trials smoothed caffeine into calm, focused alertness.

How much caffeine is in tea vs coffee?

Coffee has about 95 mg per cup. Black tea has 40 to 70 mg, green tea 25 to 45 mg, and herbal tea none.

Can I switch from coffee to tea?

Yes. Swap one cup a week, starting in the afternoon, and use black tea or matcha for your morning lift.

Which tea is most like coffee?

Black tea for strength and body, matcha for the biggest caffeine kick, and rooibos for a rich, caffeine-free coffee replacement.

Your day. Your tea. Your Avodah Moment.

References

1.          Owen GN, Parnell H, De Bruin EA, Rycroft JA. The combined effects of L-theanine and caffeine on cognitive performance and mood. Nutr Neurosci. 2008;11(4):193-198.

2.          Haskell CF, Kennedy DO, Milne AL, Wesnes KA, Scholey AB. The effects of L-theanine, caffeine and their combination on cognition and mood. Biol Psychol. 2008;77(2):113-122.

3.          Steptoe A, Gibson EL, Vuononvirta R, et al. The effects of tea on psychophysiological stress responsivity and post-stress recovery: a randomised double-blind trial. Psychopharmacology (Berl). 2007;190(1):81-89.

4.          Lovallo WR, Whitsett TL, al'Absi M, Sung BH, Vincent AS, Wilson MF. Caffeine stimulation of cortisol secretion across the waking hours in relation to caffeine intake levels. Psychosom Med. 2005;67(5):734-739.

5.          Juneja LR, Chu DC, Okubo T, Nagato Y, Yokogoshi H. L-theanine: a unique amino acid of green tea and its relaxation effect in humans. Trends Food Sci Technol. 1999;10(6-7):199-204.

6.          Hodgson JM, Puddey IB, Woodman RJ, et al. Effects of black tea on blood pressure: a randomized controlled trial. Arch Intern Med. 2012;172(2):186-188.

7.          Arab L, Liu W, Elashoff D. Green and black tea consumption and risk of stroke: a meta-analysis. Stroke. 2009;40(5):1786-1792.

8.          Institute of Medicine (US) Committee on Military Nutrition Research. Caffeine for the Sustainment of Mental Task Performance. Washington (DC): National Academies Press; 2001.

9.          Drake C, Roehrs T, Shambroom J, Roth T. Caffeine effects on sleep taken 0, 3, or 6 hours before going to bed. J Clin Sleep Med. 2013;9(11):1195-1200.

10.      Klevebrant L, Frick A. Effects of caffeine on anxiety and panic attacks in patients with panic disorder: a systematic review and meta-analysis. Gen Hosp Psychiatry. 2022;74:22-31.

11.      Ruxton CHS, Hart VA. Black tea is not significantly different from water in the maintenance of normal hydration in human subjects: results from a randomised controlled trial. Br J Nutr. 2011;106(4):588-595.

12.      Killer SC, Blannin AK, Jeukendrup AE. No evidence of dehydration with moderate daily coffee intake: a counterbalanced cross-over study in a free-living population. PLoS One. 2014;9(1):e84154.

*These statements have not been evaluated by the Food and Drug Administration or Health Canada. Avodah teas are not intended to diagnose, treat, cure or prevent any disease. If you are pregnant, nursing, taking medication or managing a health condition, speak with your healthcare provider before adding a new herbal tea to your routine.