Lợi ích sức khỏe của trà

Tea and cardiovascular health — strong evidence for reduced heart disease risk from catechins and theaflavins.

Tea for cognitive function — L-theanine and caffeine synergy for calm focus without jitteriness.

Tea for stress relief — L-theanine promotes calm alpha brain waves, reduces cortisol and anxiety.

Tea antioxidants — among the richest dietary sources. Catechins and polyphenols neutralize free radicals.

Tea for liver health — catechins protect liver cells from oxidative stress. Normal consumption is protective.

Tea and weight management — EGCG and caffeine boost fat oxidation and thermogenesis by 4-16%.

Tea for dental health — fluoride strengthens enamel while catechins fight cavity-causing bacteria.

Tea immune support — T-cell priming and antimicrobial catechins for faster, stronger immune response.

Tea for skin — EGCG protects against UV damage, improves elasticity, and reduces photoaging.

Tea anti-inflammatory — polyphenols inhibit NF-κB and inflammatory cytokines across multiple pathways.

Tea for blood sugar — polyphenols and polysaccharides reduce post-meal glucose spikes and improve insulin sensitivity.

Tea for sleep — L-theanine improves sleep quality without sedation. Low-caffeine evening teas support rest.

Tea for bone health — flavonoids and manganese support bone density and reduce fracture risk.

Tea and gut health — polyphenol prebiotics promote beneficial bacteria and microbiome diversity.

Tea neuroprotection — EGCG and L-theanine may reduce Alzheimer's and Parkinson's risk by 50-70%.