Wholesale D Tryptophan Total 307 manufacturers & suppliers found with 921 products
Audited Supplier
Manufacturer/Factory
Sodium Butyrate , Vitamin , Colorant , Amino Acid , Plant Extract
OEM
ISO 9001, ISO 20000, GMP, ISO 22000
-
US$ 8 / kg100 kg (MOQ) -
US$ 8 / kg100 kg (MOQ)
-
US$ 8 / kg100 kg (MOQ)
Audited Supplier
Trading Company
Lysine , Monosodium Glutamate , Xanthan Gum , Gellan Gum , Corn Gluten Meal
OEM, ODM
FAMI-QS
-
US$ 7000 / Ton1 Ton (MOQ)
-
US$ 7000 / Ton1 Ton (MOQ)
-
US$ 7000 / Ton1 Ton (MOQ)
Polifar Group Limited
Since 2013 Suppliers with verified business licenses
5.0
249
Plant Area
31
Number of Employees
Trading Company
Fumaric Acid Food Grade; DL-Methionine; L-Threonine Granule; L-Lysine Sulphate
Own Brand
ISO9001:2015, Food Safety Management System Certification, FAMI-QS Certificate
-
US$ 9.08 / kg5000 kg (MOQ)
-
US$ 9.12 / kg2000 kg (MOQ)
-
US$ 9.12 / kg2000 kg (MOQ)
Manufacturer/Factory
L-Lysine HCl 98.5% Feed Grade , L-Threonine 98.5% Feed Grade , L-Lysine Sulphate 70% Feed Grade , L-Valine Feed Grade , L-Tryptophan Feed Grade
Own Brand
ISO 9000, ISO 14001
-
Negotiable1 Ton (MOQ)
-
Negotiable1 Ton (MOQ)
-
Negotiable1 Ton (MOQ)
HEBEI RUNXUCHEN TRADING CO., LTD.
Since 2022 Suppliers with verified business licenses
5.0
2000
Plant Area
1
Number of Employees
Trading Company
Chemicals , Plastics&Rubber , Food &Addities , Ferro Alloy , Nutrition Enhancers
OEM, ODM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
-
US$ 2 / kg500 kg (MOQ)
-
US$ 2 / kg500 kg (MOQ)
-
US$ 2 / kg500 kg (MOQ)
Tianjin Boda Import & Export Co., Ltd.
Since 2023 Suppliers with verified business licenses
5.0
97
Plant Area
4
Number of Employees
Trading Company
Food Additive
Tianjin, Tianjin
-
US$ 12 / kg25 kg (MOQ)
-
US$ 12 / kg1 kg (MOQ)
-
US$ 12 / kg1 kg (MOQ)
Trading Company
Food Additive , Food Sweetener , Food Flavoring , Food Acidulants , Food Emulsifiers
OEM, ODM, Own Brand
ISO 9001, HACCP
-
US$ 17 / kg100 kg (MOQ)
-
US$ 17 / kg100 kg (MOQ)
-
US$ 17 / kg100 kg (MOQ)
Wuhan Hanweishi Pharmchem Co., Ltd.
Since 2021 Suppliers with verified business licenses
4.0
500
Plant Area
2
Number of Employees
Trading Company
Apis , Vet Apis , Fine Chemicals , Intermediates , Pharmaceutical Excipients
OEM
ISO 9001, GMP
-
US$ 1 / kg25 kg (MOQ)
-
US$ 100 / g1 g (MOQ)
-
US$ 200 / kg1 kg (MOQ)
Shandong Natural Micron Pharm Tech Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
300
Plant Area
17
Number of Employees
Manufacturer/Factory
, Trading Company
Supplement Ingredients , Cosmetic Raw Materials , Pharmaceutical Intermediates
ODM, OEM
Nil
-
US$ 1 / kg1 kg (MOQ)
-
US$ 10 / kg1 kg (MOQ)
-
US$ 90 / kg1 kg (MOQ)
Henan Muxiang Veterinary Pharmaceutical Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
2000+
Plant Area
4
Number of Employees
Manufacturer/Factory
, Trading Company
Feed Additive , Veterinary Injection , Veterinary Drug , Veterinary Medicine , Animal Medicine
OEM, ODM, Own Brand
ISO9001:2015
-
US$ 8.67 / kg18000 kg (MOQ)
-
US$ 8.67 / kg1 kg (MOQ)
-
US$ 3.62 / kg18000 kg (MOQ)
Manufacturer/Factory
, Trading Company
Feed Additive , Dicalcium Phosphate 18% Powder , Dicalcium Phosphate 18% Granular , L-Lysine HCl , L-Lysine Sulphate
OEM, Own Brand
ISO 9001, GMP
-
US$ 6000 / Ton20 Tons (MOQ)
-
US$ 8 / kg25 kg (MOQ)
-
Negotiable2 Tons (MOQ)
Manufacturer/Factory
Acetate Tow , PLA Acetate , Cellulose , Acetate Filament , Filter Rod
OEM, ODM, Own Brand
Response Time≤3h
-
US$ 7 / Ton1 Ton (MOQ)
-
US$ 7 / Ton1 Ton (MOQ)
-
US$ 10 / kg1 kg (MOQ)
Changzhou Comwin Fine Chemicals Co., Ltd.
Since 2023 Suppliers with verified business licenses
4.0
Manufacturer/Factory
, Trading Company
Rosuvastatin Calcium , 5-Chloro-2-Pentanone , N N'-Carbonyldiimidazole , N N'-Dicyclohexylcarbodiimide , Rosuvastatin Intermediate
within 15 workdays
Changzhou, Jiangsu
-
Negotiable2 Pieces (MOQ)
-
Negotiable2 Pieces (MOQ)
-
Negotiable1 kg (MOQ)
Manufacturer/Factory
, Trading Company
Raw Materials , Pharmaceutical Intermediates , Pharmaceutical Ingredients , Food Additives , Chemical Materials
OEM
Response Time≤3h
-
US$ 17 / kg25 kg (MOQ)
-
US$ 3.5 / kg25 kg (MOQ)
-
US$ 5 / kg25 kg (MOQ)
Baoding Faithful Industry Co., Ltd.
Since 2023 Suppliers with verified business licenses
5.0
363
Plant Area
15
Number of Employees
Trading Company
Hyaluronic acid , Collagen , Natamycin , Nisin , Erythritol
OEM
Response Time≤3h
-
US$ 17.4 / kg50 kg (MOQ)
-
Negotiable15 kg (MOQ)
-
Negotiable15 kg (MOQ)
Manufacturer/Factory
, Trading Company
, Other
Fine Chemical , Nutraceutical , Animal Nutrition , Crop Science , API
OEM, ODM, Own Brand
ISO 9001
-
US$ 98 / Ton10 Tons (MOQ)
-
US$ 1 / Piece1 Piece (MOQ)
-
US$ 35 / kg30 kg (MOQ)
Shanghai Sunwise Chemical Co., Ltd.
Since 2011 Suppliers with verified business licenses
5.0
500
Plant Area
2
Number of Employees
Trading Company
Chemical Product , Pharmaceutical Raw Materials a , Plastic/PU/TPU Raw Materials and Additiv , Pesticide Raw Materials and Intermediate , Water Treatment Chemicals
OEM, Own Brand
ISO9001:2008
-
US$ 2 / kg1 kg (MOQ)
-
US$ 1 / kg10 kg (MOQ)
-
US$ 1 / kg10 kg (MOQ)
Manufacturer/Factory
Alpha Arbutin , Resveratrol , Thaumatin
OEM, ODM
ISO 9001, ISO 20000, GMP, HACCP, PAS 28000
-
US$ 12 / kg1 kg (MOQ)
-
US$ 20 / kg1 kg (MOQ)
-
US$ 20 / kg1 kg (MOQ)
Ningbo Newrainbow Biochemicals Co., Ltd.
Since 2021 Suppliers with verified business licenses
4.0
74
Plant Area
5
Number of Employees
Trading Company
Amino Acids , Vitamins , Plant Extract , Pharmaceutical Raw Materials
ISO 9001, ISO 9000, ISO 14001, ISO 14000
within 15 workdays
-
US$ 1 / kg10 kg (MOQ)
-
US$ 1 / kg10 kg (MOQ)
-
US$ 1 / kg10 kg (MOQ)
Manufacturer/Factory
Pharmaceutical Packaging , Medicinal Impurities , Pharmaceutical Intermediates , Active Pharmaceutical Ingredients
ISO 9001, GMP
Hefei, Anhui
-
US$ 1 / kg1 kg (MOQ)
-
US$ 1 / kg1 kg (MOQ)
-
US$ 1 / kg1 kg (MOQ)
Trading Company
N/a
OEM, ODM, Own Brand
ISO 9001, ISO 9000, HSE, ISO 14064, QHSE...
-
US$ 15 / kg1 kg (MOQ)
-
US$ 18 / kg1 kg (MOQ)
-
US$ 14 / kg1 kg (MOQ)
Manufacturer/Factory
, Trading Company
L-Lysine , L-Threonine , L-Lysine Sulphate , L-Valine , L-Tryptophan
ISO 9001, ISO 9000, GMP
within 15 workdays
-
US$ 7 / kg10000 kg (MOQ)
-
US$ 7 / kg10000 kg (MOQ)
-
US$ 7 / kg10000 kg (MOQ)
Manufacturer/Factory
Peptide , Nootropics , Supplements , Plant Extracts , Nmn
OEM, ODM, Own Brand
ISO 9001, GMP
-
US$ 30 / Gram100 Gram (MOQ)
-
US$ 30 / kg1 kg (MOQ)
-
US$ 200 / kg1 kg (MOQ)
Manufacturer/Factory
, Trading Company
Nootropics , Plant Extract , Ashwagandha , Resveratrol , Turkesterone
OEM, ODM
ISO 9001, ISO 9000, GMP
-
US$ 22 / kg1 kg (MOQ)
-
US$ 0.4 / g100 g (MOQ)
-
US$ 0.4 / g100 g (MOQ)
Hangzhou Dingyan Chem Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
140
Plant Area
8
Number of Employees
Trading Company
API , Pharma Intermediates , Extracts , Reagents , Plant Growth Regulator
OEM, ODM, Own Brand, others
ISO9001:2015
-
US$ 100 / kg1 kg (MOQ)
-
US$ 100 / kg1 kg (MOQ)
-
US$ 100 / kg1 kg (MOQ)
Xi'an Sonwu Biotech Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
Manufacturer/Factory
API , Nootropics , Dietary Supplement , Plant Extract , Peptides
OEM
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
-
US$ 28 / kg1 kg (MOQ)
-
US$ 28 / kg1 kg (MOQ)
-
US$ 159 / kg1 kg (MOQ)
Shandong Zhishang New Materials Co., Ltd
Since 2023 Suppliers with verified business licenses
5.0
200
Plant Area
5
Number of Employees
Trading Company
Guanidine Thiocyanate , Heptanoic Acid , Creatine Pyruvate , Cremophor EL , N N-Dimethylpropionamide
OEM, ODM
Nil
-
US$ 5 / Piece1 Piece (MOQ)
-
Negotiable1 kg (MOQ)
-
US$ 5 / Piece1 Piece (MOQ)
Manufacturer/Factory
Lysine HCl/Sulphate , L-Threonine , Calcium Propionate , Xanthan Gum , Potassium Sorbate
OEM, ODM, Own Brand
ISO 9001, HACCP
-
US$ 4500 / Ton12 Tons (MOQ)
-
US$ 5000 / Ton12 Tons (MOQ)
-
US$ 1100 / Ton20 Tons (MOQ)
Tianjin Dongfang Import and Export Co., Ltd.
Since 2022 Suppliers with verified business licenses
5.0
54
Plant Area
5
Number of Employees
Trading Company
L-carnitine , L-Histidine , Creatine Monohydrate , Nicotinamide Mononucleotide , Kojic Acid
OEM, ODM, Own Brand
Nil
-
US$ 10 / kg1 kg (MOQ)
-
US$ 10 / kg1 kg (MOQ)
-
US$ 13 / kg1 kg (MOQ)
Manufacturer/Factory
Food Additives , Plant Extract , Sodium Caseinate
OEM, ODM
ISO 9001
-
US$ 6.8 / kg1000 kg (MOQ)
-
US$ 6.8 / kg1000 kg (MOQ)
-
US$ 7 / kg1000 kg (MOQ)
Audited Supplier
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