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 79 of 188
L-Carnitine 500 mg
GNC
2 ingredients · Amino acid/Protein
L-Carnitine 500 mg
Protocol For Life Balance
5 ingredients · Amino acid/Protein
L-Carnitine 500 mg
Indiana Botanic Gardens
10 ingredients · Amino acid/Protein
L-Carnitine 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
L-Carnitine 500 mg
Jarrow Formulas
4 ingredients · Amino acid/Protein
L-Carnitine 500 mg
NOW
5 ingredients · Amino acid/Protein
L-Carnitine 500 mg
NOW
5 ingredients · Amino acid/Protein
L-Carnitine 500 mg
Natural Factors
5 ingredients · Amino acid/Protein
L-Carnitine 500 mg
Natural Factors
5 ingredients · Amino acid/Protein
L-Carnitine Capsules 1000 mg
BulkSupplements.com
2 ingredients · Amino acid/Protein
L-Carnitine Fumarate 855 mg
Doctor's Best
5 ingredients · Amino acid/Protein
L-Carnitine Powder
Biotics Research Corporation
1 ingredient · Amino acid/Protein
L-Carnosine 500 mg
Vitamin World
6 ingredients · Amino acid/Protein
L-Carnosine 500 mg
NOW
4 ingredients · Amino acid/Protein
L-Carnosine 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
L-Carnosine 500 mg
The Vitamin Shoppe
6 ingredients · Amino acid/Protein
L-Carnosine 500 mg
The Vitamin Shoppe
6 ingredients · Amino acid/Protein
L-Carnosine 500 mg
Natural Factors
5 ingredients · Amino acid/Protein
L-Carnosine 500 mg
BIOVEA
5 ingredients · Amino acid/Protein
L-Carnosine 500 mg
The Vitamin Shoppe
5 ingredients · Amino acid/Protein
L-Carnosine 500 mg
BIOVEA
4 ingredients · Amino acid/Protein
L-Carnosine 500 mg
The Vitamin Shoppe
5 ingredients · Amino acid/Protein
L-Carnosine 500 mg
BIOVEA
4 ingredients · Amino acid/Protein
L-Carnosine 500 mg
Best Naturals
5 ingredients · Amino acid/Protein
L-Citrulline 1,000 mg
Source Naturals
6 ingredients · Amino acid/Protein
L-Citrulline 1,200 mg
LuckyVitamin
6 ingredients · Amino acid/Protein
L-Citrulline 1,500 mg
Nutricost
4 ingredients · Amino acid/Protein
L-Citrulline 100 grams
BIOVEA
1 ingredient · Amino acid/Protein
L-Citrulline 1000 mg
The Vitamin Shoppe
5 ingredients · Amino acid/Protein
L-Citrulline 1000 mg
The Vitamin Shoppe
5 ingredients · Amino acid/Protein
L-Citrulline 1000 mg
Nutricost
5 ingredients · Amino acid/Protein
L-Citrulline 1000 mg
Source Naturals
6 ingredients · Amino acid/Protein
L-Citrulline 1000 mg
Mental Refreshment
3 ingredients · Amino acid/Protein
L-Citrulline 1200 mg
NOW Sports
6 ingredients · Amino acid/Protein
L-Citrulline 1200 mg
Double Wood Supplements
3 ingredients · Amino acid/Protein
L-Citrulline 1200 mg
NOW Sports
6 ingredients · Amino acid/Protein
L-Citrulline 1200 mg Extra Strength
NOW Sports
6 ingredients · Amino acid/Protein
L-Citrulline 1200 mg Extra Strength
Now SPORTS
6 ingredients · Amino acid/Protein
L-Citrulline 1500 mg
Nutricost
4 ingredients · Amino acid/Protein
L-Citrulline 1500 mg
NusaPure
5 ingredients · Amino acid/Protein
L-Citrulline 1500 mg
Best Naturals
4 ingredients · Amino acid/Protein
L-Citrulline 2,000 mg
AN Amazing Nutrition Amazing Formulas
8 ingredients · Amino acid/Protein
L-Citrulline 2000 mg
Best Naturals
8 ingredients · Amino acid/Protein
L-Citrulline 3 g Unflavored
Nutricost
2 ingredients · Amino acid/Protein
L-Citrulline 3 g Unflavored
Nutricost
2 ingredients · Amino acid/Protein
L-Citrulline 3 g Unflavored
Nutricost
2 ingredients · Amino acid/Protein
L-Citrulline 3 g Unflavored
Nutricost
1 ingredient · Amino acid/Protein
L-Citrulline 3 Grams
GNC Beyond Raw Chemistry Labs
1 ingredient · Amino acid/Protein
L-Citrulline 3,000 mg
SuperiorLabs
4 ingredients · Amino acid/Protein
L-Citrulline 3,000 mg
Dorado Nutrition
4 ingredients · Amino acid/Protein