Does matcha help with weight loss

What is matcha

Green tea you drink whole

Matcha is a form of green tea made from finely ground leaves grown in the shade for several weeks before harvest. With regular green tea, you steep the leaves and throw them away. With matcha, you whisk the powdered leaf into water, so you drink the whole leaf.

That makes a real difference to how much you get. Because you consume the leaf itself, matcha delivers more catechins and caffeine per serving than steeped tea. A widely quoted 2003 analysis found the EGCG available from matcha was 137 times that of one low-grade brewed green tea, China Green Tips, and at least three times the highest value reported for other green teas.

So matcha is richer, but "137 times more antioxidants than green tea" overstates it. The fair version is several times more EGCG than a typical cup of steeped green tea.

The growing method matters too. Shading the plants before harvest raises chlorophyll and amino acids, especially L-theanine, along with caffeine and catechins, according to a 2020 review of matcha's composition. L-theanine is the compound linked to matcha's calm-but-alert reputation.

How matcha may support weight loss

Four claims, sized honestly

Matcha's weight loss claims rest on a few mechanisms. Each one has some research behind it, and each one is smaller than the marketing suggests.

It raises calorie burn slightly. Matcha is rich in catechins, especially epigallocatechin gallate (EGCG), which work with caffeine to increase thermogenesis, the heat your body produces burning calories. In a metabolic chamber study of 10 men, green tea extract raised 24-hour energy expenditure by about 4 percent, while the same caffeine alone did nothing. A meta-analysis of chamber studies put the rise at about 4.7 percent for catechin-caffeine mixtures. On a 2,000-calorie day, that's about 80 to 95 calories.

It may raise fat burning during exercise. A 2018 study in the International Journal of Sport Nutrition and Exercise Metabolism gave 13 young women matcha drinks the day before and two hours before a 30-minute brisk walk. Matcha lowered the respiratory exchange ratio, from 0.84 to 0.82, a sign the body was drawing a little more energy from fat. The authors themselves cautioned that the effect should not be overstated for weight loss.

The often-quoted "up to 17 percent" figure comes from a different study. In 12 healthy men cycling, green tea extract capsules, not matcha, raised fat burning by 17 percent during 30 minutes of moderate exercise.

It's nearly calorie-free. One gram of matcha powder has about 3 calories. When you're trying to lose weight, a flavorful drink that adds almost nothing is useful, especially if it replaces a sugary latte or soda.

It may help with appetite, but the evidence is thin. The combination of caffeine, L-theanine and catechins is often said to reduce hunger and cravings. Human trials haven't shown that reliably for matcha or green tea. If a cup helps you skip a snack, that's a real benefit for you, not a predictable one.

If you're building an evidence-based approach, matcha fits alongside the foods and habits in our complete guide to the best foods for weight loss.

Matcha weight loss study

The one weight trial found no edge

Mechanisms are one thing. Weight on a scale is another. The closest thing to a matcha weight loss trial is a 12-week pilot study of 40 adults with overweight or obesity, all on a low-calorie diet. Half also drank matcha once a day. Thirty-four finished.

Both groups lost weight, body fat and waist size. At 12 weeks, the matcha group's results were not significantly different from the diet-only group's. The study wasn't randomized and was small, so it can't rule out a modest effect. It does show that the diet did the heavy lifting.

It does show that the diet did the heavy lifting.

Romaine Rusnak, RD, LDN

That matches the wider green tea evidence. The Cochrane review of green tea preparations found a small, statistically non-significant weight loss that the reviewers judged unlikely to be clinically important. For the full picture on regular green tea, see does green tea help with weight loss.

How much matcha to drink

One to three servings is plenty

No study has found a matcha dose that causes weight loss, so the useful limit is caffeine, not a weight target. One to three servings a day suits most people who tolerate caffeine well.

Caffeine in matcha depends on how much powder you use. Lab analyses summarized in the 2020 review put matcha at about 19 to 44 mg of caffeine per gram. A typical serving of 1 to 2 grams, about 1/2 to 1 teaspoon, lands at roughly 20 to 90 mg. For comparison, an 8-ounce cup of brewed coffee has about 85 to 100 mg, according to the NIH Office of Dietary Supplements.

The same source notes that the FDA considers up to 400 mg of caffeine a day safe for healthy adults. Even at the high end, five servings of matcha would be about 450 mg, so if you also drink coffee or energy drinks, count everything together. Too much can cause:

• Anxiety or jitters
• Insomnia or disrupted sleep
• Headaches
• Heartburn or nausea
• Digestive discomfort

Start with one serving to see how your body responds, then adjust. The goal is consistent, moderate use, not more.

How to make matcha for weight loss

Skip the sugar first

How you prepare matcha matters as much as how often you drink it. The most important rule: skip the sugar.

Many cafe matcha drinks include sweeteners, syrups or flavored milk that cancel out any benefit. A matcha latte with vanilla syrup tastes good, but it adds back the calories you were trying to avoid.

For weight loss, keep it simple:

Traditional method: heat water to about 175°F (80°C), just short of boiling, since boiling water can make matcha bitter. Add 1/2 to 1 teaspoon of matcha to a bowl or mug, pour in about 2 ounces of hot water and whisk hard with a bamboo whisk, or a regular one, until frothy. Add more hot water to taste.

Before a workout: shake 1/2 to 3/4 teaspoon of matcha into cool water in a shaker bottle. Drink it 30 to 60 minutes before exercise if you like the lift, knowing the fat-burning effect is small.

Smoothie addition: blend matcha powder with unsweetened almond milk, spinach and a small amount of frozen fruit. That keeps calories low while adding nutrients.

Quality matters too. Ceremonial or premium grades are bright green and taste smoother. Culinary grades are fine for baking but can taste more bitter, and their catechin content may be lower.

Best time to drink matcha

Earlier in the day wins

Timing changes how matcha fits your day more than how much fat you burn.

Morning: a cup gives you steady alertness for hours. Matcha's L-theanine may take some of the edge off the caffeine, though the evidence for that is modest.

Before a workout: the walking study gave matcha two hours before exercise, and fat burning rose slightly. A cup 30 to 60 minutes beforehand is a fine habit if it helps you train. It pairs well with the strategies in our complete exercise guide for weight loss.

Afternoon slump: instead of a sugary snack when your energy dips, matcha gives you a lift without empty calories.

One important note: if you're sensitive to caffeine, stop by about 2 p.m. Good sleep matters for weight loss, and caffeine late in the day can interfere with it.

Who should avoid matcha

Who should be careful

Matcha is safe for most adults in normal amounts. Some people should be more careful:

Pregnant or breastfeeding women should keep caffeine moderate and check with their healthcare provider before making matcha a daily habit.

People taking certain medications should ask first. The National Center for Complementary and Integrative Health notes that green tea can lower blood levels of the beta-blocker nadolol and, as an extract, the cholesterol drug atorvastatin, and an interaction with raloxifene has been studied.

People with anxiety disorders may find that even moderate caffeine worsens symptoms.

Anyone with iron deficiency should know that compounds in green tea reduce iron absorption from plant foods, so drink it between meals rather than with them.

Children shouldn't have it: the NIH Office of Dietary Supplements notes that the American Academy of Pediatrics discourages caffeine for children.

If you have any health condition or take medication, check with your healthcare provider before making matcha a regular habit.

Matcha in a weight loss plan

One piece of a larger puzzle

Matcha alone won't change your body. It's a supporting habit, not a solution.

The small benefits of matcha, slightly higher calorie burn and slightly more fat use during exercise, only show up on top of a healthy diet and regular activity. Drinking matcha while eating mostly processed food and staying inactive won't produce results.

Think of matcha as one piece of a larger puzzle. It works best next to nutrient-dense whole foods, enough protein, regular movement, good sleep and stress management. For more on supplements and compounds marketed for weight loss, see our guide to the best supplements for weight loss.

Matcha does have one advantage over many supplements: a long history as a food. You're drinking ground tea leaves people have consumed for centuries, not an isolated extract. Concentrated green tea extracts are a different product with a known liver risk.