Matcha shows real promise for improving cholesterol levels. A meta-analysis of 14 randomized controlled trials published in The American Journal of Clinical Nutrition found that green tea intake lowers both fasting total cholesterol and LDL (“bad”) cholesterol in adults. One trial measured a reduction of about 12 mg/dL in both total and LDL cholesterol from a daily green tea beverage. Because matcha is the whole tea leaf ground into powder, you consume significantly more of the active compounds than you would from steeped green tea, which makes it a particularly potent form.
How Matcha Lowers Cholesterol
Matcha works on cholesterol through several overlapping pathways, all driven by a group of antioxidants called catechins. The most abundant and well-studied of these is EGCG. First, EGCG reduces the amount of cholesterol your intestines absorb from food by making cholesterol less soluble in the digestive fluids (called bile salt micelles) that normally carry it into your bloodstream. Less absorption means less cholesterol entering circulation.
Second, matcha catechins stimulate your liver to convert more of its stored cholesterol into bile acids, which are then excreted through your digestive tract. Animal studies have confirmed that green tea extracts increase the amount of bile acids found in fecal matter, a direct sign of this process at work. Third, green tea extract appears to upregulate the liver’s LDL receptors, essentially making the liver more efficient at pulling LDL cholesterol out of the blood.
Effects on LDL, HDL, and Triglycerides
Most of the evidence focuses on LDL reduction, but the effects extend to other lipid markers as well. A meta-analysis of seven randomized controlled trials found that green tea extract significantly lowered triglyceride levels. Longer-duration studies have also observed increases in HDL (“good”) cholesterol. One trial in patients with type 2 diabetes found that HDL levels rose and both triglycerides and insulin resistance dropped after 16 weeks of green tea extract. Another trial found that drinking three cups of green tea daily (about 7.5 grams of tea) for 12 weeks lowered total cholesterol and raised HDL.
Importantly, the meta-analysis of 14 trials found that these cholesterol-lowering effects held up regardless of the participants’ health status, the specific dose of catechins, or the form of green tea used (beverage versus capsule extract). That consistency across different study designs adds confidence to the findings.
How Long It Takes to See Results
You won’t see overnight changes on a lipid panel. The clinical trials that demonstrated cholesterol improvements ranged from 3 weeks to 3 months, with many running for 8 to 12 weeks. A reasonable expectation is that consistent daily consumption for at least two months would be needed before your next blood test reflects meaningful changes. Some people may respond faster, but the bulk of the evidence clusters around that 8-to-12-week window.
A Potential Interaction With Statins
If you take a statin for cholesterol, this is worth knowing: green tea catechins can reduce how much of the drug your body absorbs. A study in healthy volunteers found that taking green tea extract alongside a common statin reduced the drug’s peak blood concentration by about 25% and its overall absorption by roughly 22 to 24%. The catechins appear to interfere with the transport proteins that carry the statin through the intestinal wall.
The clinical significance of this reduction isn’t fully established, and researchers note that the effect of long-term green tea use on statin levels hasn’t been studied. Still, if you’re on a statin, spacing your matcha and your medication apart by a few hours is a reasonable precaution, and it’s worth mentioning your matcha habit to whoever manages your prescription.
Does Adding Milk Change Anything?
A common concern is that making a matcha latte with milk might cancel out the benefits. The lab evidence actually suggests the opposite. A study using a model of human intestinal cells found that adding milk to green tea extract increased the intestinal absorption of catechins compared to green tea extract without milk. Catechins mixed with 25% milk showed significantly higher permeability across intestinal cells than those without milk. The proteins in milk do bind to certain catechins, particularly EGCG, but this binding appears to improve their stability during digestion rather than block their absorption.
So drinking your matcha as a latte, whether with dairy or a protein-containing plant milk, is unlikely to undermine the cholesterol benefits. If anything, the data leans in favor of the combination.
How Much Matcha to Drink
The clinical trials used a wide range of green tea doses, and the meta-analysis found that cholesterol reductions weren’t strongly influenced by the specific amount of catechins consumed. That said, most studies used the equivalent of 2 to 4 cups of green tea per day. A standard serving of matcha (about 1 to 2 grams of powder, or roughly half a teaspoon to one teaspoon) delivers catechin levels comparable to several cups of regular green tea because you’re consuming the entire leaf. One to two servings of matcha per day puts you squarely in the range used in successful trials.
Matcha is not a replacement for medication if your cholesterol levels are dangerously high or you have existing cardiovascular disease. But as a daily habit layered alongside a diet that limits saturated fat, it offers a measurable and well-supported nudge in the right direction for your lipid profile.