Red 3

Avoid ColorantSynthetic

Red 3 is a synthetic colorant used in dietary supplements. Safety rating: Avoid. This ingredient has been flagged for potential safety concerns. Consider alternatives. Found in 5 supplements in the GoodSupp database. A synthetic red dye (Erythrosine).

5 Products use this
Avoid Safety rating
Colorant Category
No Natural origin

Safety Verdict: Avoid

FDA banned in cosmetics due to thyroid tumor risk. Still allowed in food/supplements.

What is Red 3?

A synthetic red dye (Erythrosine).

Common Names Red 3, erythrosine,FD&C Red No. 3,E127
Type Colorant
Origin Synthetic / Manufactured
Safety Rating Avoid

Why is Red 3 used in supplements?

Adds cherry-red color to supplements.

Role in supplements: Colorant — provides color for product identification. Does not affect efficacy.

Should you be concerned about Red 3?

Yes, this ingredient has concerns. Red 3 has been flagged for potential safety issues. Consumers should carefully evaluate whether products containing this ingredient are right for them.

FDA banned in cosmetics due to thyroid tumor risk. Still allowed in food/supplements.

Consider alternatives. Look for products that do not contain this ingredient if possible.

Top-rated products containing Red 3

These 5 highest-scoring supplements in our database use Red 3.

Related Ingredients
Frequently Asked Questions
Is Red 3 safe in supplements?

Red 3 is rated avoid based on safety research. This ingredient has been flagged for potential health concerns, and consumers should carefully evaluate whether products containing it are appropriate for them. Consider looking for alternatives that use safer substitutes. FDA banned in cosmetics due to thyroid tumor risk. Still allowed in food/supplements. In GoodSupp's database, 5 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Red 3 and why is it in my supplement?

A synthetic red dye (Erythrosine). As a colorant, it provides visual identification for the product. While it doesn't affect efficacy, some consumers prefer supplements without artificial colors. It appears in 5 products in the GoodSupp database.

Is Red 3 natural or synthetic?

Red 3 is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.