Listing of Color Additives Exempt From Certification; Spirulina Extract
Published Date: 2/6/2026
Rule
Summary
The FDA is giving a green light to use spirulina extract as a natural food color in most human foods, with safer limits on heavy metals like lead and mercury. This change helps food makers use a vibrant, plant-based color while keeping products safer. The new rules kick in on March 23, 2026, and anyone can raise concerns by March 9, 2026.
Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
Lower heavy-metal limits for safety
The FDA set specific maximum contaminant limits for spirulina extract: lead not more than 0.2 mg/kg (0.2 ppm), arsenic not more than 0.3 mg/kg (0.3 ppm), mercury not more than 0.1 mg/kg (0.1 ppm), cadmium not more than 0.3 mg/kg (0.3 ppm), and the product must be negative for microcystin toxin. These specifications are part of the final order effective March 23, 2026.
Spirulina allowed in most foods
The FDA now allows spirulina (Arthrospira platensis) extract to be used as a natural color in human foods generally at levels consistent with good manufacturing practice, effective March 23, 2026. It may not be used in infant formula, foods regulated by the U.S. Department of Agriculture (meat, poultry, egg products), or foods with standards of identity unless those standards specifically allow it.
No spirulina in infant formula
The FDA specifically prohibits use of spirulina extract in infant formula under the final order effective March 23, 2026. Parents and caregivers should not expect infant formulas to contain this color additive.
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