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On parle bien de l'application topique de L-carnitine et non de son administration orale
C th kt hp cng mt s hot cht khc nh Vitamin C lm gim nng thu ngn trong c th
The first reaction is catalyzed by tryptophan hydroxylase (TPH-1), which requires L-tryptophan, tetrahydrobiopterin (BH4), and O 2 as co-substrates, and has ferrous ion (Fe 2+ ) as an activator
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