US regulators have taken a significant step forward by allowing the broader use of spirulina-based blue colors in food and beverages. This change follows a successful petition from GNT Group, marking a critical moment for natural food coloring options. Historically, blue has been one of the hardest colors to replicate with natural ingredients.
Spirulina extract was the first natural blue color approved for beverages in the US. GNT, known for its natural colors sourced from non-GMO fruits and vegetables, pushed for this expansion to cover more food categories beyond beverages.
Previously, the FDA had allowed spirulina in limited areas. However, after requests from various manufacturers, including GNT, there has been a notable shift. In 2022, for instance, spirulina was greenlit for beverage use. GNT has emphasized that they are investing in the necessary infrastructure, ensuring reliable commercialization of these colors.
Jane MacDonald from GNT USA noted, “With more natural blues approved, we’re helping manufacturers explore their options.” GNT’s experience offers valuable insights as businesses consider these new ingredients.
Bringing Color to Bakery Products
Bakery products have often struggled with color due to issues like heat and pH balance. GNT’s recent approvals make it easier to incorporate natural blue hues in baked goods, an area previously limited by the lack of color options. There’s growing interest in natural greens, but the absence of blue colors has held back innovation. Now, products inspired by flavors like pistachio and matcha can flourish.
In addition to decorations and fillings, this expansion allows spirulina to be used more broadly in batters and doughs, creating exciting new possibilities for bakers.
Shifting Away from Synthetic Dyes
The FDA’s recent actions also reflect a larger trend: a movement away from synthetic dyes. Alongside the blue color approvals, the FDA clarified that food and beverage products can now use the label “no artificial colors” if they avoid petroleum-based dyes. This clarification is vital for companies using GNT’s plant-based colors, as it simplifies how they can market their offerings.
A prominent figure in the conversation around food safety, Robert F. Kennedy Jr., has championed the removal of synthetic dyes, pushing for a healthier food supply. His initiative aims to phase out synthetic additives, a move that many consumers support. In light of this, it’s critical to note that in July 2025, the FDA also approved gardenia blue—a new natural color derived from gardenia fruit, usable in a range of products from sports drinks to candies.
This shift represents not just a regulatory change, but a cultural one. Consumers are increasingly favoring transparency in food ingredients, pushing companies to reconsider their formulas for a healthier future.
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US regulators expand the use of spirulina-based blue colors
