Aluminum Lakes (Color Additives) in Medications
Aluminum Lakes: Common “Lake” Colorants
Aluminum lakes are color additives used to give medications a consistent color and appearance.
They do not treat symptoms.
What Are Aluminum Lakes?
Aluminum lakes are pigments made by binding a dye to an insoluble base (often aluminum salts). This creates a colorant that does not dissolve easily in water.
They may be used in tablets, capsules, and coatings.
Why Are Aluminum Lakes Used in Medications?
They are used because they:
- Provide stable, consistent color
- Help distinguish strengths or products
- Improve appearance and product identification
Ingredient Names to Look For
Aluminum lakes may be listed as:
- FD&C Yellow 5 Aluminum Lake
- FD&C Red 40 Aluminum Lake
- FD&C Blue 1 Aluminum Lake
- D&C color aluminum lake (varies)
- Color (aluminum lake)
Where Does It Appear?
It is commonly found in:
- Tablet coatings
- Capsule shells
- Chewable tablets and flavored products
How to Check a Medication’s Ingredient List
Color additives vary by dosage form and manufacturer.
Use PillParser to scan a medication and view its ingredient list.
To keep PillParser free, anonymous scans are limited.
Understanding ingredient differences is especially important for individuals with known sensitivities. RxAllergyScan.com allows users to compare medication ingredients against their personal allergen profile.
Educational Note
This page provides educational information only and does not make medical claims.