EGCG is a concentrated extract of epigallocatechin gallate, the main catechin found in green tea. People take it for metabolism, heart health, and immune function. It acts as a powerful antioxidant, shielding cells from oxidative stress.
Some use EGCG to assist with weight management and to help maintain healthy blood sugar levels. Others reach for it when they want a mild lift in energy without caffeine jitters.
You typically take it in capsule form, often with food to avoid stomach irritation. Standardized green tea extracts offer another common option. Always follow the product label, because doses differ across brands and formats.
Caution is warranted. Taking large doses on an empty stomach can put strain on the liver. EGCG may interact with blood thinners and certain prescription medications. Begin with a smaller amount and speak to a healthcare professional if you have any pre-existing condition.