Green Tea Extract (EGCG) untuk Obesity
BCochrane review of 14 RCTs found EGCG plus caffeine produces modest but statistically significant weight loss of 1.0-1.3 kg over 12 weeks. Twenty-four-hour energy expenditure increased approximately 5% and fat oxidation approximately 16%, with effects more pronounced in Asian populations and habitual low-caffeine consumers.
Kesimpulan
Cochrane review of 14 RCTs found EGCG plus caffeine produces modest but statistically significant weight loss of 1.0-1.3 kg over 12 weeks. Twenty-four-hour energy expenditure increased approximately 5% and fat oxidation approximately 16%, with effects more pronounced in Asian populations and habitual low-caffeine consumers.
Key Statistics
14
Studi
1500
Peserta
Positive
Peringkat
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosis yang Umum Digunakan
- general:
- 250-500 mg/day standardized to 50% EGCG
- equivalent:
- 3-5 cups green tea/day
- weightmanagement:
- 400-800 mg EGCG/day
Batas atas: 800 mg EGCG/day (hepatotoxicity risk above this; rare but documented)
Waktu terbaik diminum: With meals (reduces nausea risk); avoid on empty stomach; space from iron-containing foods/supp
Safety & Side Effects
Efek Samping yang Dilaporkan
- ⚠ Nausea on empty stomach
- ⚠ Insomnia (caffeine content)
- ⚠ Rare hepatotoxicity at high doses
- ⚠ Reduced iron absorption
Interaksi yang Diketahui
- ● Nadolol (reduced bioavailability)
- ● Iron supplements (reduced absorption)
- ● Blood thinners (theoretical)
- ● Other stimulants (additive effects)
Asupan atas yang dapat ditoleransi: 800 mg EGCG/day (hepatotoxicity risk above this; rare but documented)
Selalu konsultasikan dengan tenaga kesehatan Anda sebelum memulai suplemen apa pun.Selalu konsultasikan dengan penyedia layanan kesehatan Anda sebelum memulai suplemen apa pun.
Frequently Asked Questions
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Related Evidence
Bahan lain untuk Obesity
Green Tea Extract (EGCG) untuk kondisi lain
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