Ingredient
Levothyroxine
Identity
- Verified ingredient identity
- Levothyroxine
- Entity type
- Small molecule
- Pharmacological class
- l-Thyroxine
- Salt forms
- Levothyroxine sodium
Found in verified medicines 3 verified medicines
Single-ingredient medicines 3
Products whose only active ingredient is Levothyroxine
- Synthroid as Levothyroxine sodium
- Unithroid as Levothyroxine sodium
- Levothyroxine as Levothyroxine sodium
Product facets
- Single-ingredient medicines
- 3
- Combination medicines
- 0
- Dosage forms
- Oral tablets
- Strengths from single-ingredient medicines
- 25 mcg
- 50 mcg
- 75 mcg
- 88 mcg
- 100 mcg
- 112 mcg
- 125 mcg
- 137 mcg
- 150 mcg
- 175 mcg
- 200 mcg
- 300 mcg
Scientific reference data
- UNII
Q51BO43MG4- PubChem CID
5819- RxNorm
10582- iMedix entity id
ing_000086
Data provenance
- Ingredient identity
- Verified by the iMedix ingredient vocabulary
- Medicine mappings
- 3 verified medicine relationships
- Sources
- Verified structured records
Technical details
- Entity source
seed seed:v1.1- Alias sources
seed: 1- Mapping methods
exact_alias: 3- Relationship sources
seed seed:v1.1: 3- Graph version
5- Public index evaluated
2026-10-16 14:08:41 UTC