Updated

Updated · EatingWell · Aug 2

Green Tea May Lower Inflammation Markers as 38-Trial Review Finds Stronger Antioxidant Defenses

Updated

Updated · EatingWell · Aug 2

Green Tea May Lower Inflammation Markers as 38-Trial Review Finds Stronger Antioxidant Defenses

Q: Why might popular bottled green teas actually sabotage your body's fight against inflammation?

Popular bottled green teas can undermine tea’s anti-inflammatory potential because many are loaded with added sugar, sweeteners, flavorings, and preservatives that may offset or overshadow the benefits of green tea’s catechins. The anti-inflammatory case for green tea centers on compounds such as EGCG and EGC, which may help lower oxidative stress and support the body’s antioxidant defenses. But experts say those benefits are most closely tied to traditional brewed tea or unsweetened products. Once a drink becomes a sweetened, processed beverage, the health picture changes. High sugar intake is linked to inflammation, weight gain, and poorer metabolic health, all of which can work against the effects green tea might otherwise offer. Processing may also matter. Bottled teas can contain less of the beneficial catechin profile found in freshly brewed tea, and some products are diluted or formulated more for taste and shelf life than for preserving tea’s active compounds. That means consumers may get more additives than meaningful amounts of green tea polyphenols. The safer takeaway from dietitians and recent research is that green tea can be a helpful, low-risk habit when it is plain or unsweetened and part of a broader anti-inflammatory lifestyle. Reading labels matters: a bottled tea with little or no added sugar is far less likely to cancel out the modest benefits linked to green tea itself.

3 articles · Updated · EatingWell · Aug 2

Daily green tea intake may help reduce inflammation by lowering markers such as C-reactive protein and tumor necrosis factor, according to dietitians citing clinical studies.
Catechins in green tea—especially EGCG and EGC—appear to blunt oxidative stress by neutralizing free radicals and boosting the body’s own antioxidant defenses.
A review of 38 randomized controlled trials found green tea raised antioxidant enzymes including superoxide dismutase and Glutathione peroxidase, offering a possible mechanism for those effects.
Results are still mixed across studies, with differences in tea form, study populations, baseline inflammation and duration helping explain why some trials found no significant change.
Green tea is presented as a low-risk addition to a broader anti-inflammatory routine built on a balanced diet, regular exercise, limited alcohol and sugar, and 7 to 9 hours of sleep.