Ingredient supplier / Branded ingredient company
NutriScience Innovations, LLC
Milford, CT, United States
Science-backed specialty ingredients for supplements and food
Source-listed capability; confirm current suitability with PCG.
PCG / SOURCING DISCOVERY
Amino acid ingredient suppliers
Find businesses listed as supplying amino-acid ingredients. A branded offering requires a documented connection between the ingredient and its brand; unrelated branded products do not establish a branded amino acid.
65 source-classified listings. Page 2 of 2. Directory compiled September 27, 2026; individual capabilities are not independently verified.
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Ingredient supplier
Plumino Precision Fermentation USA, Inc.
Scott City, MO, United States
Amino acid derivative ingredient manufacturer
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Qingdao Nutralong Pharmachem Co., Ltd.
Qingdao, China
Vitamins, minerals, amino acids, and specialty ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Readline Biotech
Shenzhen, Guangdong, China
Amino acid, peptide, and biomolecule active ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Redwood Biotech Co.,ltd
China
Food ingredients, amino acids and botanical extracts supplier
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier / Ingredient distributor or broker
S&G Nutrition
Anaheim, CA, United States
Amino acid, vitamin, and botanical extract supply for sports nutrition
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier / Ingredient distributor or broker
Scientific Living Inc.
Irvine, CA, United States
Nutraceutical and functional food ingredient supply
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier / Contract manufacturer or CDMO
Shandong Yangcheng Biotechnology Co.,Ltd.
China
Bio-based specialty ingredients via biotechnology and fermentation
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Shijiazhuang Haitian Amino Acid Co., Ltd.
Gaocheng, Hebei, China
Amino acids, food additives and pharmaceutical intermediates
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Shijiazhuang Jirong Pharmaceutical Co.,L
China
Amino acid ingredients manufacturer (glycine, lysine, arginine)
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Shuguang GMBH
Germany
Nutritional raw material ingredients (formulated mixtures)
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier / Ingredient distributor or broker
Sunland Nutrition, Inc.
Aliso Viejo, CA, United States
Raw material sourcing/distribution for nutraceutical and sports nutrition
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Sunrise Chemical Co.,Ltd
Zhangjiagang, Jiangsu, China
Amino acid, supplement, and botanical extract ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier / Branded ingredient company
Techno Food Ingredients Co., Ltd.
San Gabriel, CA, United States
Sucralose and amino acid ingredient manufacturing
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Unbroken RTR USA Inc.
Wappingers Falls, NY, United States
Salmon-derived amino acid ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
VDK NaturaSyn Co., Ltd.
Baoding, Hebei, China
Biologically-sustainable food and supplement ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Vita Actives
Whitestown Industrial State, Dublin, Ireland
Nutraceutical raw material ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier / Contract manufacturer or CDMO
Vitajoy USA Inc.
Dallas, TX, United States
Amino acid ingredients and softgel/gummy contract manufacturing
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier / Contract manufacturer or CDMO
Wuhan Grand Hoyo Co., Ltd.
Wuhan City, China
Amino acid, derivative and API manufacturing
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Wuxi Jinghai Amino Acid Co., Ltd.
Wuxi City, Jiangsu, China
Fermented amino acids (L-Alanine, L-Arginine, etc.)
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Xintai Jiahe Biotech Co., Ltd.
Tai'an, Shandong, China
Amino acids and derivatives manufacturer
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Zhangjiagang Huachang Pharmaceutical
China
Pharma intermediates, amino acids and food additive ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Zhangjiagang Shuguang Biochemical Factory
Zhangjiagang City, Jiangsu Province, China
Nutritional raw material ingredients manufacturing
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Zhejiang HISUN PHARMACEUTICAL CO.,LTD.
Taizhou, Zhejiang, China
Fermentation-derived pharmaceutical and nutritional ingredients
Source-listed capability; confirm current suitability with PCG.
Ingredient supplier
Zhejiang Tianrui Chemical Co., Ltd.
Longyou County, Zhejiang, China
L-Theanine and amino acid ingredient manufacturing
Source-listed capability; confirm current suitability with PCG.