Independent · evidence-based · non-judgmentalDraft · pending medical review
Not yet medically reviewed — information on this site is in preparation and has not been verified by a medical reviewer.

Pill finder · 19 catalogued versions

aspirin; bicarbonate ion; anhydrous citric acid

Pill catalog

Rx/OTC variants · openFDA + DailyMed (public domain) · draft, pending review

This drug comes in 19different versions. Make sure you’re looking at the right one — use the search above to find your exact pill by imprint, color, or shape.

Showing 19 of 19 variants

L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
0421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
873 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
0421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
422 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
222 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
229 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18
L421
Illustration based on reported characteristics. Appearance varies — identical-looking pills can contain completely different substances. Always test.
Strength
ASPIRIN 325 mg;SODIUM BICARBONATE 1916 mg;ANHYDROUS CITRIC ACID 1000 mg;
Imprint
L421
Color
WHITE
Shape
ROUND
Score
1
Form
C42910
NDC
421 ↗ · 2026-06-18