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Top 10 Tryptophan Products
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US $ 2.9-3.5 /
kg FOB
1,000 kg (MOQ)
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Main Products: Xanthan Gum, Citric Acid, Aspartame, Acesulfame K, Citric Acid Anhydrous, Citric Acid Monohydrate, Creatine Monohydrate, Ascorbic Acid, Sodium Benzoate Powder
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Audited Supplier
Since 2022
Manufacturer/Factory
Shanghai, China
Since 2022
US $ 100-150 /
Piece FOB
1 Piece (MOQ)
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Material : Hyaluronic Acid
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Audited Supplier
Since 2022
Trading Company
Hebei, China
Since 2022
US $ 1-100 /
kg FOB
25 kg (MOQ)
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Main Products: Apis, Vet Apis, Fine Chemicals, Intermediates, Pharmaceutical Excipients, Natural Extracts, Cosmetic Chemicals, Food Additives, Nutritions, Phytoextraction
Contact Supplier
Audited Supplier
Since 2021
Manufacturer/Factory,Trading Company
Hubei, China
Since 2021
Manufacturer/Factory
Shandong, China
Since 2022
US $ 9-18 /
kg FOB
2 kg (MOQ)
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Main Products: Nmn, Pharmaceutical Intermediates, Melatonin, Lidocaine, Coenzyme Q10, L-Carnitine, Plant Extract, Alpha Arbutin, Resveratrol, Quercetin
Contact Supplier
Audited Supplier
Since 2023
Manufacturer/Factory
Shaanxi, China
Since 2023
Manufacturer/Factory,Trading Company
Hunan, China
Since 2020
US $ 100-450 /
kg FOB
1 kg (MOQ)
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Main Products: Tianeptine, Weight Loss Peptide, Nmn, Tirzepatide, Semaglutide, Retatrutide, Nad, Apixaban, Ghk Cu, Berberine Hydrochloride
Contact Supplier
Audited Supplier
Since 2021
Manufacturer/Factory
Shandong, China
Since 2021
Manufacturer/Factory
Shandong, China
Since 2022
US $ 10-22 /
kg FOB
1 kg (MOQ)
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Main Products: Hyaluronic Acid, Glutathione, Astaxanthin, Plant Extract, Vitamin, Food Additive, Nutritional Supplements, Amino Acid, Resveratrol, Alpha GPC
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Audited Supplier
Since 2023
Manufacturer/Factory
Shaanxi, China
Since 2023
US $ 5-30 /
kg FOB
2 kg (MOQ)
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Certification : RoHS, BRC, ISO, FDA, HACCP
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Audited Supplier
Since 2023
Manufacturer/Factory
Shaanxi, China
Since 2023
US $ 2-3 /
kg FOB
200 kg (MOQ)
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Main Products: Nmn, Collagen, Nicotinamide Ribose, Liposomes, Plant Extract, Chemicals Product, Pharmaceutical Intermediates
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Audited Supplier
Since 2021
Manufacturer/Factory
Shaanxi, China
Since 2021
US $ 9.98-11.5 /
pieces FOB
20 pieces (MOQ)
Contact Supplier
Audited Supplier
Since 2011
Manufacturer/Factory,Group Corporation
Jiangsu, China
Since 2011
US $ 20-60 /
kg FOB
1 kg (MOQ)
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Main Products: API, Nutrition Supplements, Food/Feed Additives, Health Food Supplements, Plant/Animal Extract
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory
Hubei, China
Since 2024
Manufacturer/Factory,Trading Company,Other,Group Corporation
Tianjin, China
Since 2024
US $ 10-100 /
kg FOB
1 kg (MOQ)
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Main Products: Organic Intermediate, Inorganic Chemical Industry, Chemical Reagent, Chemical Additives and Catalysts, Daily Chemicals, Probiotics, Pigment Dyes, Flavors and Fragrances, Additive, Chemical Pharmaceutical Intermediate
Contact Supplier
Audited Supplier
Since 2022
Manufacturer/Factory,Trading Company
Shandong, China
Since 2022
Manufacturer/Factory
Jiangsu, China
Since 2024
US $ 2.9-11.2 /
pieces FOB
2 pieces (MOQ)
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Main Products: Silk Pillow Silk Pillowcase Silk Bonnet, Silk Garment Silk Pajama Silk Dress, Silk Eye Mask Silk Mask Silk Sleeping Cap, Silk Scarf Silk Hair Band, Silk Fabric Silk Jacquard Fabric, Silk Knitted Silk Jersey Fabric, Viscose Rayon Fabric, Loycell Acetate Curpro Fabric, Polyester Fabric Recycled Fabric, Velvet Fabric Burnout Velour Fabric
Contact Supplier
Audited Supplier
Since 2011
Manufacturer/Factory,Group Corporation
Jiangsu, China
Since 2011
US $ 325-400 /
gram FOB
1 gram (MOQ)
Contact Supplier
Audited Supplier
Since 2025
Manufacturer/Factory
Hubei, China
Since 2025
US $ 15-30 /
kg FOB
1 kg (MOQ)
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Main Products: L-Glutathione Reduced, Nmn(Nicotinamide Mononucleotide), Tranexamic Acid, Nr-Cl, Vc-IP(Ascorbyl Tetraisopalmitate), Minoxidil, Q10, Citicoline, 3-O-Ethyl-L-Ascorbic Acid, S-Acetyl-L-Glutathione
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory
Jiangsu, China
Since 2024
Manufacturer/Factory
Shandong, China
Since 2021
US $ 100-200 /
Piece FOB
1 Piece (MOQ)
More
Main Products: Filler, Lose Weight, Anti Wrinkle, Moisturizing, Whitening, Pdo/Pcl/Plla Thread, Hyaluronic Acid, Numbing Cream, Lipo Lab
Contact Supplier
Audited Supplier
Since 2022
Manufacturer/Factory
Jiangsu, China
Since 2022
Manufacturer/Factory,Trading Company,Other,Group Corporation
Tianjin, China
Since 2024
US $ 2-5 /
kg FOB
1 kg (MOQ)
More
Main Products: Melatonin, Chemical, Melatonin Powder, Dietary Supplement, Nutritional Supplement
Contact Supplier
Audited Supplier
Since 2022
Manufacturer/Factory
Hubei, China
Since 2022
Manufacturer/Factory
Shaanxi, China
Since 2021
US $ 7-1,000 /
kg FOB
25 kg (MOQ)
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Main Products: Green Tea Extract, Ginseng Extract, Cranberry Extract, Bilberry Extract, Ginkgo Biloba Extract, Rosehip Extract, Acerola Extract, Grape Seed Extract
Contact Supplier
Audited Supplier
Since 2021
Zhejiang, China
Since 2021
Manufacturer/Factory
Hubei, China
Since 2024
US $ 8.8-9.8 /
Bag FOB
1 Bag (MOQ)
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Main Products: Oxiracetam, Gabapentin, Progesterone, Noopept, Epitalon, Sunifiram, 5-Amino-1mq, Dihexa, 4-Butylresorcinol
Contact Supplier
Audited Supplier
Since 2025
Trading Company
Shaanxi, China
Since 2025
US $ 5-20 /
kg FOB
25 kg (MOQ)
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Nutritional Value : Nutritional
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory
Jiangsu, China
Since 2024
US $ 8.8-9.8 /
Bag FOB
1 Bag (MOQ)
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Main Products: Oxiracetam, Gabapentin, Progesterone, Noopept, Epitalon, Sunifiram, 5-Amino-1mq, Dihexa, 4-Butylresorcinol
Contact Supplier
Audited Supplier
Since 2025
Trading Company
Shaanxi, China
Since 2025
Manufacturer/Factory
Hubei, China
Since 2022
US $ 2,930-3,100 /
Ton FOB
20 Tons (MOQ)
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Main Products: Citric Acid, Erythritol, Acesulfame, Nisin, Sucralose, Aspartame, Potassium Sorbate, Sodium Benzoate, Ascorbic Acid, Xanthan Gum
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Audited Supplier
Since 2013
Manufacturer/Factory
Jiangsu, China
Since 2013
US $ 100-150 /
Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
Since 2021
Manufacturer/Factory,Trading Company
Hebei, China
Since 2021
US $ 0.01-0.06 /
Piece FOB
100,000 Pieces (MOQ)
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Main Products: Tablet Supplement, Hard Capsule, Time Released Capsule, Softgel Capsule, Superfood / Drink / Drop, Gummy / Probiotics, Herbal & Plant Extract, Fruit & Vegetable Powder, Empty Capsule, Premix Solutions / API
Contact Supplier
Audited Supplier
Since 2023
Manufacturer/Factory
Shandong, China
Since 2023
US $ 5-12 /
kilograms FOB
25 kilograms (MOQ)
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Storage Method : Normal
Contact Supplier
Audited Supplier
Since 2024
Manufacturer/Factory
Jiangsu, China
Since 2024
1 Ton (MOQ)
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Main Products: 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, Xanthan Gum, Isoleucine Feed Grade, Vitamin B2, Choline Chloride
Contact Supplier
Audited Supplier
Since 2018
Manufacturer/Factory
Shandong, China
Since 2018
1 kg (MOQ)
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Certification : ISO, FDA, HACCP
Contact Supplier
Audited Supplier
Since 2007
Manufacturer/Factory,Trading Company
Hunan, China
Since 2007