Yellow 5

Yellow 5 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. Linked to hyperactivity in children. Requires warning label in EU. In GoodSupp's database, 9 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

A synthetic yellow azo dye (Tartrazine). 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 9 products in the GoodSupp database.

Yellow 5 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.