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L-tryptophan
L-tryptophan
73-22-3
L-tryptophan is a daily amino acid supplement. L-tryptophan is a natural sedative, it's also a very popular sleeping aid.
Purity: ¡Ã98%
25kg/drum
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Hangzhou Chyszern Bio-tech Co., Ltd.
ÀüȹøÈ£
86-571-85785670
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86-571-85785669
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frank.yu@chyszbio.com
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No.152, Zhaohui Road. Hangzhou, Zhejiang
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