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Maklumat ini adalah untuk tujuan pendidikan sahaja. Ia tidak bertujuan sebagai nasihat perubatan. Sentiasa dapatkan nasihat daripada profesional penjagaan kesihatan yang bertauliah.
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L-Theanine 200 mg by GNC is a dietary supplement in the sleep and stress category. Theanine, also known as L-γ-glutamylethylamide, N5-ethyl-L-glutamine, or γ-glutamylethylamide, is a bioactive, non-proteinogenic amino acid similar to the proteinogenic amino acids glutamic acid and L-glutamine. It is produced by certain plants such as the tea plant, and by some fungi. Theanine was discovered in 1949 as a constituent of green tea and was isolated in 1950 from gyokuro tea leaves. Theanine constitutes about 1–2% of the dry weight of green tea leaves.
text ingredients
1 Capsule(s)
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