Green Tea: Nutrition, Pros & Cons
Green tea is a minimally processed beverage brewed from the leaves of the Camellia sinensis plant. Extremely popular in wellness regimes, it is highly valued for its high concentration of bioactive polyphenols, particularly epigallocatechin-3-gallate (EGCG), which provide robust antioxidant and metabolic benefits.
Health conditions
- Good for PCOD / PCOS [PubMed]
- Caution for Anemia [ICMR-NIN, PubMed]
- Good for Weight Loss [PubMed]
- Good for Diabetes [PubMed]
- Good for High Cholesterol [PubMed]
- Good for Heart Disease [PubMed]
- Good for Fatty Liver [PubMed]
- Good for Gut Health [ICMR-NIN, PubMed]
- Good for Immunity [PubMed]
Pros
- Rich in epigallocatechin gallate (EGCG) and other polyphenols, which help neutralize free radicals and reduce oxidative stress. [PubMed]
- Contains L-theanine, an amino acid that promotes mental focus and relaxation without inducing drowsiness. [PubMed]
Cons
- Contains tannins that can significantly impair the absorption of non-heme iron from plant-based foods. [ICMR-NIN]
- Contains caffeine, which in sensitive individuals or when consumed in excess can lead to insomnia, anxiety, or elevated heart rate. [PubMed]
Key nutrients
- Epigallocatechin Gallate (EGCG) — A potent catechin antioxidant unique to green tea that supports metabolic and cardiovascular health.
- L-Theanine — An amino acid that helps modulate stress response and works synergistically with caffeine to support cognitive function.
- Caffeine — A mild natural stimulant that enhances alertness, though present in lower quantities than in black tea or coffee.