Key Takeaways:
- Redox Bio-Nutrients' Mainstay® Si has received certification from The Fertilizer Institute (TFI).
- Redox Bio-Nutrients is the first company with two TFI-certified biostimulant products.
- The certification validates efficacy, safety, and product composition.
- Mainstay® Si combines calcium and silicon to support crop quality and stress tolerance.
- The milestone reinforces Redox’s focus on quality and grower confidence.
Redox Bio-Nutrients Secures TFI Certification for Mainstay® Si
Redox Bio-Nutrients, LLC has announced that its biostimulant product Mainstay® Si has received certification from The Fertilizer Institute (TFI). The certification indicates that the product meets industry-recognized standards for efficacy, safety, and composition under TFI’s Biostimulant Certification Program.
With this latest certification, Mainstay® Si joins Mainstay® Calcium 2.0, making Redox Bio-Nutrients the first company to achieve TFI certification for two biostimulant products. According to the company, this represents a significant milestone in a market where third-party validation of biostimulants remains limited.
“These certifications further validate our all-in commitment to providing growers with technology that consistently delivers positive results,” said Colton Moon, President of Redox Bio-Nutrients.
Redox Bio-Nutrients' Mainstay® Si Focuses on Plant Strength and Stress Defense
Mainstay® Si is formulated to deliver both calcium and silicon nutrition, targeting improvements in plant cell wall strength. By reinforcing cell structure, the product is designed to enhance crop quality while improving tolerance to environmental and physiological stress.
The company stated that the combination of calcium and silicon supports plant resilience across a range of growing conditions, aligning with broader efforts to improve crop performance through nutrition-based solutions rather than increased chemical inputs.
The company positions Mainstay® Si as part of its broader portfolio of crop nutrition technologies aimed at supporting consistent agronomic outcomes for growers.
TFI Certification Supports Transparency and Grower Confidence
The Fertilizer Institute’s Biostimulant Certification Program is designed to provide assurance to manufacturers, ag retailers, and growers by evaluating products against defined criteria for efficacy, safety, and composition. The program aims to improve transparency in the biostimulant market and support the adoption of sustainable agricultural practices.
According to TFI, certified products help reduce uncertainty for growers by confirming that product claims are supported and that formulations meet established quality benchmarks.
Redox Bio-Nutrients noted that participation in the certification program aligns with its emphasis on accountability and data-driven product development.
Quality Systems and Manufacturing Standards
In addition to its biostimulant certifications, Redox Bio-Nutrients is ISO 9001 certified, a global quality management standard. The company stated that ISO 9001 certification helps ensure consistent manufacturing processes, product reliability, and customer satisfaction.
By combining ISO-certified manufacturing with third-party product validation through TFI, the company aims to strengthen trust across the agricultural value chain as interest in biostimulants continues to grow.
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