D Tryptophan Total 301 manufacturers & suppliers found with 903 products
Shandong Zhishang New Materials Co., Ltd
Since 2023 Suppliers with verified business licenses
5.0
Audited Supplier
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)
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
, Trading Company
Nootropics , Plant Extract , Ashwagandha , Resveratrol , Turkesterone
OEM, ODM
ISO 9001, ISO 9000, GMP
-
US$ 22 / kg1 kg (MOQ)
-
US$ 22 / kg1 kg (MOQ)
-
US$ 22 / kg1 kg (MOQ)
Manufacturer/Factory
Food Additives , Plant Extract , Sodium Caseinate
within 15 workdays
Tianjin, Tianjin
-
US$ 6.8 / kg1000 kg (MOQ)
-
US$ 6.8 / kg1000 kg (MOQ)
-
US$ 6.8 / kg1000 kg (MOQ)
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)
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$ 13 / kg1 kg (MOQ)
-
US$ 10 / kg1 kg (MOQ)
Audited Supplier
Manufacturer/Factory
Nmn , Pharmaceutical Intermediates , Melatonin , Lidocaine , Coenzyme Q10
OEM, ODM
ISO 9001, GMP, HACCP, ISO 22000
-
US$ 15 / kg1 kg (MOQ)
-
US$ 15 / kg25 kg (MOQ)
-
US$ 17 / kg25 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)
Manufacturer/Factory
Nmn , Ru-58841 , Copper Peptide , Hyaluronic Acid , Minoxidil
OEM
ISO 9001, ISO 22000
-
US$ 15 / kg1 kg (MOQ)
-
US$ 15 / kg1 kg (MOQ)
-
US$ 15 / kg1 kg (MOQ)
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)
Shanghai Sunwise Chemical Co., Ltd.
Since 2011 Suppliers with verified business licenses
5.0
295
Plant Area
17
Number of Employees
Trading Company
Chemicals(including Plastic Additivies And Processing Aids , Water Treatment Chemicals , Pharmaceutical Intermediate , Electronic Chemicals And Chemical For Ink application)
OEM, Own Brand
Response Time≤3h
-
US$ 1 / kg10 kg (MOQ)
-
US$ 2 / kg1 kg (MOQ)
-
US$ 1 / kg10 kg (MOQ)
Manufacturer/Factory
, Trading Company
, Group Corporation
Human API , Veterinary API , Vitamins , Feed Additives , Food Additives
OEM, ODM, Own Brand
ISO 9001, GMP, HACCP
-
US$ 9 / Ton10 Tons (MOQ)
-
US$ 9 / Ton10 Tons (MOQ)
-
US$ 9 / Ton10 Tons (MOQ)
Xilong Scientific Co., Ltd.
Since 2013 Suppliers with verified business licenses
5.0
7
Annual Revenue
4
Number of Employees
Manufacturer/Factory
, Trading Company
Chemical Reagent , PCB Reagent , High Purity Reagent , Food Additives , Active Phrmaceutical Ingredient
OEM, Own Brand
ISO9001:2015, ISO14001:2015, ISO45001:2016
-
US$ 30 / kg100 kg (MOQ)
-
US$ 30 / kg100 kg (MOQ)
-
US$ 30 / kg100 kg (MOQ)
Manufacturer/Factory
, Trading Company
Titanium Dioxide , White Petroleum Jelly , Calcium Hypochlorite , Aluminum Sulfate , Tbls(Tribasic Lead Sulfate)
OEM
ISO 9001, ISO 9000, IATF16949
-
US$ 1200 / Ton1 Ton (MOQ)
-
US$ 1200 / Ton1 Ton (MOQ)
-
US$ 1200 / Ton1 Ton (MOQ)
Manufacturer/Factory
Vitamin a Palmitate Supplier , Vitamin E Oil , Sodium Erythorbate Powder , Dexpanthenol , D-Biotin Suppliers
OEM, ODM, Own Brand
ISO 9001
-
US$ 20 / kg100 kg (MOQ)
-
US$ 48 / kg100 kg (MOQ)
-
US$ 20 / kg100 kg (MOQ)
Polifar Group Limited
Since 2013 Suppliers with verified business licenses
5.0
500
Plant Area
2
Number of Employees
Trading Company
DCP/MDCP/Mcp 18%/21%/22% Feed Grade , Zinc Sulphate , Calcium Formate 98% Feed Grade , Sodium Bicarbonate , Lysine HCl 98.5%Min Feed Grade
Own Brand
ISO9001:2015, Food Safety Management System Certification, FAMI-QS Certificate
-
US$ 9.08 / kg5000 kg (MOQ)
-
US$ 9.08 / kg5000 kg (MOQ)
-
US$ 9.1 / kg5000 kg (MOQ)
Manufacturer/Factory
Hyaluronic Acid , Glutathione , Astaxanthin , Plant Extract , Vitamin
OEM, ODM, Own Brand
ISO 9001, ISO 14001, ISO 14000, ISO 20000, GMP...
-
US$ 8 / kg1 kg (MOQ)
-
US$ 20 / kg1 kg (MOQ)
-
US$ 17 / kg1 kg (MOQ)
Manufacturer/Factory
Peptide , Nootropics , Supplements , Plant Extracts , Nmn
OEM, ODM, Own Brand
ISO 9001, GMP
-
US$ 200 / kg1 kg (MOQ)
-
US$ 30 / kg1 kg (MOQ)
-
US$ 30 / Gram100 Gram (MOQ)
Manufacturer/Factory
, Trading Company
Amino Acid , Antioxidant , Mineral Substance , Emulsifier , Sweetener
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000...
within 15 workdays
-
US$ 17 / kg100 kg (MOQ)
-
US$ 17.9 / kg100 kg (MOQ)
-
US$ 18.2 / kg100 kg (MOQ)
Manufacturer/Factory
, Trading Company
Melatonin , Chemical , Melatonin Powder , Dietary Supplement , Nutritional Supplement
Own Brand
NSF GMP Registration Program Requirements, HACCP Certificate
-
US$ 92 / kg1 kg (MOQ)
-
US$ 15 / kg1 kg (MOQ)
-
US$ 10 / kg1 kg (MOQ)
Hebei Xinjiu Additives Co., Ltd.
Since 2024 Suppliers with verified business licenses
5.0
Manufacturer/Factory
, Trading Company
Additive , Cosmetic , DHA , Xanthan Gum , Nicotinamide
ISO 9001, ISO 9000
Xingtai, Hebei
-
US$ 1 / kg1 kg (MOQ)
-
US$ 1 / kg1 kg (MOQ)
-
US$ 2 / kg1 kg (MOQ)
Manufacturer/Factory
, Trading Company
Pharmaceutical Intermediate , Apis , Food Additives , Herbal Extracts , Nootropics
OEM
within 15 workdays
-
US$ 20 / Kilograms1 Kilograms (MOQ)
-
US$ 22 / Piece1 Piece (MOQ)
-
US$ 10 / Kilograms1 Kilograms (MOQ)
QINGDAO ROYAL DECOR INDUSTRY CO., LTD.
Since 2019 Suppliers with verified business licenses
4.0
40.25 Mil
Annual Revenue
150
Plant Area
10
Number of Employees
Trading Company
Lysine , DCP , Mcp , MDCP , Choline Chloride
ODM, OEM
ISO 9001, ISO 14001, GMP, HACCP
-
US$ 950 / Ton20 Tons (MOQ)
-
US$ 1 / Piece18 Pieces (MOQ)
-
US$ 1 / Piece18 Pieces (MOQ)
Shandong WorldSun Biological Technology Co., Ltd.
Since 2022 Suppliers with verified business licenses
5.0
100
Plant Area
15
Number of Employees
Trading Company
Daily Chemicals , Organic Intermediate , Surfactant , Additive , Flavors and Fragrances
OEM, ODM, Own Brand
ISO9001:2015
-
US$ 5 / kg1 kg (MOQ)
-
US$ 5 / kg1 kg (MOQ)
-
US$ 5 / kg1 kg (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)
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)
Shandong Look Chemical Co., Ltd.
Since 2021 Suppliers with verified business licenses
5.0
60
Plant Area
9
Number of Employees
Trading Company
Isopropyl Myristate , Behenyl Trimethyl Ammonium Methyl Sulfate , Sodium Coconut Isethionate , [N2-(N-Glycyl-L-Histidyl)-L-Lysine] Copper , Biotin Tripeptide-1
OEM, ODM
ISO 9001, GMP
-
US$ 2 / kg1 kg (MOQ)
-
US$ 2 / kg1 kg (MOQ)
-
US$ 2 / 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$ 26 / kilogram1 kilogram (MOQ)
-
US$ 28 / kg1 kg (MOQ)
-
US$ 28 / 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
Virginiamycin , Ceftriaxone , Vitamin , Doxycycline , Oxytetracycline
OEM
ISO 9001, ISO 14001, ISO 14000, HSE, QC 080000...
-
US$ 18 / kg1 kg (MOQ)
-
US$ 15 / kg1 kg (MOQ)
-
US$ 25 / kg5 kg (MOQ)
Audited Supplier
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