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Finished Product Specifications & Stability Studies for Natural Health Products: Enabling Compliant Market Entry

Client

Supplement manufacturer expanding into Canada

Scope

Specifications and stability studies for 12 SKUs

Regulator

Health Canada, Natural Health Products

Results Snapshot

A supplement manufacturer expanding into Canada engaged Terraforme Biosciences to develop compliant Finished Product Specifications and stability studies for 12 Natural Health Product SKUs transferring from international production sites.

  • Developed Finished Product Specifications for 12 diverse supplement SKUs in line with Health Canada’s Natural Health Product quality guidelines.
  • Designed and executed risk-based stability studies to support expiration dates, balancing regulatory requirements with cost efficiency.
  • Prepared Requests for Quotation for laboratory testing partners, drawing on our network of qualified analytical laboratories.
  • Supported ongoing stability monitoring and final stability reports, the scientific foundation for Natural Health Product Number (NPN) registrations.
  • Reduced the quality control testing burden by evaluating raw material Certificates of Analysis and manufacturing process controls.

Client Context

The client was establishing a new manufacturing operation in Canada and needed to transfer 12 dietary supplement Stock Keeping Units (SKUs) from its international production sites.

In Canada, dietary supplements are regulated by Health Canada as Natural Health Products (NHPs), which require product-specific registration before sale. Each approved product receives a Natural Health Product Number that must appear on the label.

The client needed expert guidance to navigate Health Canada’s quality requirements, develop compliant Finished Product Specifications and build the stability data needed to assign defensible expiration dates.

Dietary supplement capsules and tablets

The Challenge

Regulatory Complexity

Finished Product Specifications must follow Health Canada’s NHP quality guidelines, which differ significantly from pharmaceutical or food regulations.

Ingredient Diversity

Supplements contain complex constituents (botanicals, animal-derived materials, probiotics and refined ingredients), each with unique analytical challenges.

Cost Optimization

Stability studies repeat tests over long timeframes. Knowing where testing can be scientifically reduced is critical.

Technical Sequencing

Specifications must be finalized before stability studies begin; poor specification design leads to study failures or regulatory rejections.

Data Requirements

Stability studies must use appropriate test parameters, storage conditions and sampling intervals to justify expiration dating.

Laboratory Partnerships

Finding laboratories qualified for specialized NHP testing across diverse matrices requires industry knowledge and established networks.

What We Did

We provided end-to-end support for compliant specifications and stability studies across the client’s 12-product portfolio.

1

Specification Development

We analyzed each product’s formulation, ingredients and manufacturing process to define batch release tests and acceptance criteria based on product characteristics, regulation and quality risk.

2

Risk-Based Testing Strategy

By reviewing raw material Certificates of Analysis and process controls, we built rationales to eliminate redundant finished product testing without compromising quality or compliance.

3

Stability Study Design

We set storage conditions and timepoints, and identified which specification tests could be justifiably excluded from stability protocols to reduce cost.

4

Laboratory Procurement

We prepared detailed RFQs for routine QC and stability testing, and evaluated laboratory capabilities, turnaround times and pricing.

5

Ongoing Stability Management

We supported protocol finalization, stability pull reviews, out-of-specification troubleshooting and final reports for NPN applications.

The Approach

We combined regulatory expertise with practical manufacturing knowledge and analytical chemistry to deliver specifications and studies that were compliant and efficient.

Ingredient-Specific Risk Assessment

Specifications tailored to each formulation’s risk profile, for botanicals, probiotics, animal derivatives and refined materials, rather than a generic template.

Regulatory Alignment

Everything developed in accordance with Health Canada’s Quality Guide for Natural Health Products, built to withstand NPN review.

Cost-Conscious Quality

Upstream controls such as raw material testing and in-process monitoring used to reduce redundant finished product testing.

Laboratory Network Leverage

Established relationships with specialized laboratories accelerated procurement and ensured quality results.

Deliverables

1

Finished Product Specifications

Twelve controlled specifications with batch release tests and acceptance criteria.

2

Stability Study Protocols

Storage conditions, timepoints, test parameters and acceptance criteria for each product.

3

Testing Reduction Rationales

Scientific justifications for removing tests, based on raw material controls and risk.

4

Laboratory RFQ Packages

Method requirements, sample volumes, timelines and evaluation criteria.

5

Stability Data Reviews

Trend analysis, OOS investigations and protocol recommendations.

6

Final Stability Reports

Regulatory-ready reports establishing expiration dates for NPN submissions.

Lessons Learned

Specifications drive stability success. Robust, risk-based specifications prevent costly study failures and regulatory delays.

Ingredient complexity demands expertise. Generic approaches fail to account for the unique challenges of botanicals, probiotics and other complex matrices.

Testing reductions must be defensible. Regulators accept reductions backed by raw material data, process controls and risk assessment, not cost alone.

Laboratory capabilities vary widely. Engaging qualified partners early prevents delays and data quality issues.

Launching a Natural Health Product or Supplement?

We bring the regulatory fluency and analytical chemistry knowledge to get your products to market compliantly, with optimized testing strategies. Book a free consultation to discuss your products.

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