Cross-referencing clinical data
EarlyFD&C Blue #1
FD&C Blue #1.
A synthetic blue dye added to make your supplement look a certain color. Zero health value. Colors supplement tablets or capsules blue.
EarlyResearch strength
Reviewed March 2026
- Category
- General
- Also filed under
- Provides consistent product appearance
What FD&C Blue #1 is, and what it does.
- Does it work
- Cosmetic only.
- How much to take
- Not applicable.
- The first dose
- No effect.
- With regular use
- No effect.
- How well tolerated
- FDA-approved. Generally well tolerated at the tiny amounts used.
- How it feels
- You don't feel food coloring.
The proof, claim by claim.
These words describe the research, not the molecule's worth. Research strength is how much work stands behind one claim, and it is never a product score.
- Well tolerated at food-grade doses
- Linked to hyperactivity in children
PubMedCochraneClinicalTrials.govNIH ODSSUPP.AILabs test. IngredientMD verifies.PubMedCochraneClinicalTrials.govNIH ODSSUPP.AILabs test. IngredientMD verifies.
Questions people ask about FD&C Blue #1.
- Should I avoid artificial colors in supplements?
- Health-wise, the amounts are too small to matter. But if you prefer clean-label products, natural color alternatives exist.
- Is this banned anywhere?
- No. It's approved in the US, EU, and most countries. Some products voluntarily avoid it for marketing reasons.
- Can it stain?
- In concentrated form, yes. At supplement amounts, you won't notice any staining.
Nothing to show here, and the reason why.
A pairing appears on this page only when a trial gave both ingredients together and measured the result. FD&C Blue #1 has none that clears that bar.
No pairing for FD&C Blue #1 has cleared review yet.
Stitching two separate single-ingredient studies into a pairing is the one thing this engine will not do. When a study of the combination itself holds up at source, it lands here with its citation.
No invented synergy. Where actives were studied on their own rather than together, the record shows each on its own evidence, never a combined effect no trial measured.
Research strength. Research strength says how much work stands behind the combination. It is never a product score.
Independent record. Every finding is cited to a named trial, dated, and never written by the brand.
20 pairings are live across the library today. Checked 20 July 2026.
Who should be cautious
Talk to a doctor before taking FD&C Blue #1 if any of these apply to you: Synthetic dye with no health benefit, Some individuals may be sensitive, Controversial for children (CSPI recommends avoidance). These are flags to check first, not effects FD&C Blue #1 is known to cause.
Not medical advice. Show the label to your pharmacist.FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before starting any supplement regimen.
