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Amino acid · Supplement ingredient

THREONINE

THREONINE is listed on 835 U.S. supplement product labels in the NIH DSLD, #237 of 4,614 by label frequency.

835
Products
#237 of 4,614
By frequency
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How common is THREONINE?

Number of supplement labels listing THREONINE vs nearby amino acid ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing THREONINE

Klean Isolate
Klean Athlete
28 ingredients · Amino acid/Protein
On Market
L-Threonine 500 mg
Solgar
4 ingredients · Amino acid/Protein
On Market
L-Threonine 500 mg
Douglas Laboratories
4 ingredients · Amino acid/Protein
On Market
L-Threonine 500 mg
Vitamatic
5 ingredients · Amino acid/Protein
On Market
L-Threonine 500 mg Capsules
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
L-Threonine 500 mg Capsules
BulkSupplements.com
2 ingredients · Amino acid/Protein
On Market
LBA PRO Chocolate Syrup
All American EFX
37 ingredients · Amino acid/Protein
On Market
LBA PRO Vanilla Glaze
All American EFX
37 ingredients · Amino acid/Protein
On Market
Leg Day Cherry Limeade
NutraBio
46 ingredients · Other Combinations
On Market
Leg Day Grape Berry Crush
NutraBio
45 ingredients · Other Combinations
On Market
Leg Day New York Punch
NutraBio
43 ingredients · Other Combinations
On Market
Leg Day Passion Fruit Pineapple
NutraBio
45 ingredients · Other Combinations
On Market
Leg Day Peachy Glutes Peach Mango
NutraBio
46 ingredients · Other Combinations
On Market
Leg Day Sweet Tea
NutraBio
45 ingredients · Other Combinations
On Market
Liquid Amino Acids
Wonder Laboratories
33 ingredients · Amino acid/Protein
On Market
Liquid Aminos Wild Cherry Flavor
Precision Engineered
26 ingredients · Amino acid/Protein
On Market
Liver Wellness
Michael's Naturopathic Programs
23 ingredients · Botanical with Nutrients
On Market
Lyfe Essentials
Wholly Liquid
110 ingredients · Other Combinations
On Market
MacroMeal Ultimate Vanilla Protein Powder
MacroLife Naturals
72 ingredients · Other Combinations
On Market
Mass-Tech Strawberry Milkshake
MuscleTech
64 ingredients · Other Combinations
On Market
Mass-Tech Strawberry Milkshake
MuscleTech
61 ingredients · Other Combinations
On Market
Matrix 1.0 Milk Chocolate
Syntrax
37 ingredients · Amino acid/Protein
On Market
MaxAmino 1200
Vitabase
29 ingredients · Amino acid/Protein
On Market
MaxAmino 1200
Vitabase
29 ingredients · Amino acid/Protein
On Market
Maximum Strength Amino 1500
Precision Engineered
23 ingredients · Other Combinations
On Market
Men's Living Green Liquid-Gel Multi
Irwin Naturals
104 ingredients · Botanical with Nutrients
On Market
Metabolic Age Support Cardio Kit
IN.FORM Nature's Sunshine
90 ingredients · Other Combinations
On Market
Metabolic Cleanse
Douglas Laboratories
75 ingredients · Other Combinations
On Market
Miracle 2000 Energy
Century Systems
71 ingredients · Other Combinations
On Market
Modus Chocolate Flavor
Modus
33 ingredients · Amino acid/Protein
On Market
Monster Amino Blue Raspberry
CytoSport
44 ingredients · Other Combinations
On Market
Monster Amino Fruit Punch
CytoSport
41 ingredients · Other Combinations
On Market
Monster Amino Sour Apple
CytoSport
43 ingredients · Other Combinations
On Market
Monster Amino Sour Grape
CytoSport
44 ingredients · Other Combinations
On Market
MPS-X10 Purple Guava Pear
Vital Pharmaceuticals
18 ingredients · Amino acid/Protein
On Market
MPS-X10 Rainbow Unicorn
Vital Pharmaceuticals
18 ingredients · Amino acid/Protein
On Market
MPS-X10 Star Blast
Vital Pharmaceuticals
18 ingredients · Amino acid/Protein
On Market
Multi-Pro Whey
IDS
60 ingredients · Other Combinations
On Market
Multi-Pro Whey Belgian Chocolate
IDS
60 ingredients · Other Combinations
On Market
Multi-Pro Whey Cinnamon Vanilla
IDS
61 ingredients · Other Combinations
On Market
Multiplex Complete Wild Berry Flavor
NuMedica
113 ingredients · Other Combinations
On Market
Multivitamin & Essential Minerals Berry
Fight Labs
115 ingredients · Other Combinations
On Market
Muscle Elite Tropical Splash
OmneDiem Performance
32 ingredients · Other Combinations
On Market
Muscle Infusion Chocolate
Nutrex Research Black Series
38 ingredients · Amino acid/Protein
On Market
Muscle Infusion Chocolate
Nutrex Research Black Series
38 ingredients · Amino acid/Protein
On Market
Muscle Infusion Chocolate Banana Crunch
Nutrex Research Black Series
39 ingredients · Amino acid/Protein
On Market
Muscle Infusion Chocolate Banana Crunch
Nutrex Research Black Series
39 ingredients · Amino acid/Protein
On Market
Muscle Infusion Chocolate Peanut Butter Crunch
Nutrex Research Black Series
40 ingredients · Amino acid/Protein
On Market
Muscle Infusion Chocolate Peanut Butter Crunch
Nutrex Research Black Series
40 ingredients · Amino acid/Protein
On Market
Muscle Infusion Vanilla
Nutrex Research Black Series
36 ingredients · Amino acid/Protein
On Market

Nearby Ingredients in Amino acid

Other ingredients in the Amino acid category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare THREONINE vs Leucine →

Nationwide ingredients with similar DSLD presence

Two peer sets for THREONINE: closest on total DSLD label listings (835 here) and closest on distinct brands that list it (232 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about THREONINE

How many supplement products contain THREONINE?
835 supplement product labels in the NIH DSLD currently lists THREONINE as an ingredient. By label frequency it ranks #237 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.