Amino Acid & Protein Supplements
Browse and search dietary supplements drawn from the U.S. National Institutes of Health Dietary Supplement Label Database (DSLD), which catalogs more than 113,000 product labels from supplement manufacturers. The U.S. supplement market is large, industry estimates put consumer spending around $50 billion a year, and each product page below renders directly from the latest DSLD release. See our methodology for source vintage and how each ingredient panel is parsed.
9,363 products · Page 101 of 188
L-Taurine 500 mg
Physician's Preference
2 ingredients · Amino acid/Protein
L-Taurine 500 mg
Vitamin World
5 ingredients · Amino acid/Protein
L-Taurine 500 mg
Indiana Botanic Gardens
8 ingredients · Amino acid/Protein
L-Taurine 500 mg
Wonder Laboratories
3 ingredients · Amino acid/Protein
L-Taurine 500 mg
Wonder Laboratories
6 ingredients · Amino acid/Protein
L-Taurine 600 mg
SimplySupplements
3 ingredients · Amino acid/Protein
L-Taurine Free Form 500 mg
Vitamin World
7 ingredients · Amino acid/Protein
L-Theanine 100 mg
PhysioLogics
7 ingredients · Amino acid/Protein
L-Theanine 100 mg
Newflower Farmers Markets
6 ingredients · Amino acid/Protein
L-Theanine 100 mg
The Vitamin Shoppe
4 ingredients · Amino acid/Protein
L-Theanine 100 mg
Lake Avenue Nutrition
5 ingredients · Amino acid/Protein
L-Theanine 150 mg
Solgar
5 ingredients · Amino acid/Protein
L-Theanine 200 mg
Vitamin World
7 ingredients · Amino acid/Protein
L-Theanine 200 mg
Vital Nutrients
3 ingredients · Amino acid/Protein
L-Theanine 200 mg
Hard Rhino
5 ingredients · Amino acid/Protein
L-Theanine 200 mg
Puritan's Pride
7 ingredients · Amino acid/Protein
L-Theanine 200 mg
Puritan's Pride
7 ingredients · Amino acid/Protein
L-Theanine 200 mg
Nature's Way
4 ingredients · Amino acid/Protein
L-Theanine 200 mg
Nature's Way
4 ingredients · Amino acid/Protein
L-Theanine 200 mg
Vital Nutrients
3 ingredients · Amino acid/Protein
L-Threonine 500 mg
Douglas Laboratories
4 ingredients · Amino acid/Protein
L-Threonine 500 mg
Douglas Laboratories
4 ingredients · Amino acid/Protein
L-Threonine 500 mg
Solgar
5 ingredients · Amino acid/Protein
L-Threonine 500 mg
Solgar
4 ingredients · Amino acid/Protein
L-Threonine 500 mg
Douglas Laboratories
4 ingredients · Amino acid/Protein
L-Threonine 500 mg
Vitamatic
5 ingredients · Amino acid/Protein
L-Threonine 500 mg Capsules
BulkSupplements.com
2 ingredients · Amino acid/Protein
L-Threonine 500 mg Capsules
BulkSupplements.com
2 ingredients · Amino acid/Protein
L-Tryosine 500 mg
Village Vitality
5 ingredients · Amino acid/Protein
L-Tryptophan (250 mg)
BulkSupplements.com
2 ingredients · Amino acid/Protein
L-Tryptophan (250 mg)
BulkSupplements.com
2 ingredients · Amino acid/Protein
L-Tryptophan (250 mg)
BulkSupplements.com
2 ingredients · Amino acid/Protein
L-Tryptophan 1,000 mg
AN Amazing Nutrition Amazing Formulas
6 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
Protocol For Life Balance
7 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
NOW
7 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
Protocol For Life Balance
7 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
The Vitamin Shoppe
10 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
The Vitamin Shoppe
12 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
Protocol For Life Balance
7 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
Protocol For Life Balance
7 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
SuperSmart
3 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
AN Amazing Nutrition Amazing Formulas
3 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
Best Naturals
8 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
SuperSmart
3 ingredients · Amino acid/Protein
L-Tryptophan 1000 mg
Protocol For Life Balance
7 ingredients · Amino acid/Protein
L-Tryptophan 1500 mg
NusaPure
3 ingredients · Amino acid/Protein
L-Tryptophan 1500 mg
NusaPure
3 ingredients · Amino acid/Protein
L-Tryptophan 500 mg
California Academy of Health
4 ingredients · Amino acid/Protein
L-Tryptophan 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
L-Tryptophan 500 mg
Bronson Laboratories
6 ingredients · Amino acid/Protein