Why Dissolution Testing Matters for Supplement Brands

At SREKE, we understand that dissolution testing is a critical quality control step for any tablet or capsule manufacturer. This process measures how quickly and completely an active ingredient releases from its dosage form into solution, directly impacting bioavailability and product performance.

Under FDA 21 CFR Part 111 (Current Good Manufacturing Practice for Dietary Supplements), manufacturers must establish and follow written procedures for quality control. Dissolution testing falls under these requirements and helps ensure your product delivers consistent potency throughout its shelf life.

For supplement brand owners, understanding dissolution profiles helps you:

• Verify that active ingredients are released at the intended rate
• Ensure batch-to-batch consistency across production runs
• Meet regulatory compliance requirements for your target markets
• Support marketing claims with verifiable data
• Reduce returns and complaints related to product performance

According to USP General Chapter <711> Dissolution, this test is essential for determining whether a dosage form meets its labeled specifications. At SREKE, we perform dissolution testing on every production batch for tablets and capsules.

Key Manufacturing Considerations at SREKE

Dissolution Testing Standards We Follow

Our manufacturing facility in Guangzhou adheres to USP <711> Dissolution and USP <1090> Pharmaceutical Dosage Forms standards. We also comply with ISO 9001:2015 quality management systems and HACCP principles for supplement manufacturing.

We utilize paddle and basket apparatus methods as specified in USP methods, with testing conducted at controlled temperatures (typically 37°C ± 0.5°C) using appropriate dissolution media.

Formulation Factors That Affect Dissolution

At SREKE, we work closely with your formulation team to optimize dissolution performance. Key factors we consider include:

• Excipient selection: Binders, disintegrants, and lubricants can significantly impact dissolution rates
• Particle size reduction: Micronized ingredients typically dissolve faster than coarse powders
• Compression force: Tablet hardness affects disintegration and subsequent dissolution
• Capsule shell composition: Gelatin, hypromellose, and vegetarian capsule shells dissolve at different rates
• Coating formulations: Enteric or film coatings require specific dissolution testing parameters

Testing Parameters and Acceptance Criteria

Our quality control laboratory establishes acceptance criteria based on:

• USP monograph requirements (when applicable)
• Pharmacopeial standards for the specific ingredient
• Brand-specific requirements defined during formulation development
• Regulatory requirements for your target market (FDA, EFSA, Health Canada, TGA)

Typical acceptance criteria include Q values (the amount dissolved) at specified time points, with usually 6 or 12 units tested per batch.

Compliance Documentation

Every dissolution test generates documentation that supports your regulatory filings. At SREKE, we provide:

• Batch-specific dissolution test reports
• Stability-indicating method validation data
• CoA (Certificate of Analysis) with dissolution results
• Documentation suitable for FDA inspection and EFSA compliance

How SREKE Helps You Get to Market Faster

Streamlined Development Process

Our in-house R&D team integrates dissolution testing throughout the product development lifecycle. This approach helps us identify formulation issues early, reducing time spent on reformulation cycles.

Typical project timelines at SREKE:

• Initial consultation and formulation review: 1-2 weeks
• Prototype development and testing: 2-4 weeks
• Dissolution method development and validation: 2-3 weeks
• Pilot production and testing: 1-2 weeks
• Full-scale production: 4-8 weeks depending on order volume

Low MOQ Options

We understand that emerging brands need flexible manufacturing partners. SREKE offers competitive MOQs for tablet and capsule production, making it accessible for startups and established brands alike to test markets with smaller initial orders.

Accelerated Stability Testing

Our stability program follows ICH guidelines, with real-time and accelerated testing protocols. Dissolution testing is performed at each stability timepoint to ensure your product maintains performance throughout its shelf life.

Packaging Solutions

We offer comprehensive packaging services including:

• Blister packaging (PVC/Aluminum, PET/Aluminum)
• HDPE bottles with desiccant and child-resistant closures
• Softgel and capsule-specific packaging
• Custom labeling and carton design

All packaging materials comply with FDA 21 CFR requirements and EFSA regulations for food-contact materials.

Industry Trends and Market Opportunities

Growing Demand for Bioavailability Data

Supplement brand owners increasingly request dissolution and bioavailability data to support product differentiation. Consumers are more educated about supplement quality, and brands that can provide transparent dissolution profiles gain competitive advantage.

Regulatory Evolution

The FDA continues to strengthen GMP enforcement in the dietary supplement industry. Recent guidance documents emphasize the importance of proper dissolution testing and documentation. At SREKE, we stay current with regulatory changes to ensure your products meet evolving requirements.

Innovation in Dosage Forms

Emerging trends include:

• Fast-dissolving tablets and orally disintegrating capsules
• Modified-release formulations for sustained ingredient delivery
• Plant-based capsule alternatives meeting vegetarian and vegan demands
• Combination products with multiple active ingredients requiring individual dissolution monitoring

Global Market Expansion

As brands expand internationally, dissolution testing requirements vary by market. Our team is experienced in meeting requirements for:

• United States (FDA 21 CFR Part 111)
• European Union (EFSA guidelines, EU Directive 2002/46/EC)
• Canada (Natural and Non-prescription Health Products Directorate)
• Australia (Therapeutic Goods Administration)
• Asia-Pacific markets including Japan and South Korea

Frequently Asked Questions

What is dissolution testing and why is it important?

Dissolution testing measures how quickly and completely an active ingredient releases from a tablet or capsule into solution. It is important because it helps ensure product quality, supports bioavailability claims, and meets regulatory requirements. At SREKE, we consider dissolution testing essential for verifying that your supplement performs as intended.

How long does dissolution testing take?

Typical dissolution testing runs take 30-120 minutes per batch, depending on the formulation and testing parameters. Method development and validation may require additional time. Our streamlined processes help us deliver results efficiently while maintaining accuracy.

What dissolution standards does SREKE follow?

We follow USP <711> Dissolution, USP <1090> Pharmaceutical Dosage Forms, and relevant pharmacopeial standards. Our methods are validated according to ICH Q2(R1) guidelines for analytical procedure validation.

Can you help with custom dissolution specifications?

Yes. During formulation development, we work with you to establish dissolution specifications that meet your product requirements and target market regulations. These specifications become part of your quality agreement and manufacturing documentation.

What is your MOQ for tablet and capsule production?

SREKE offers flexible MOQs to accommodate brands at different growth stages. Contact our team for current MOQ information and pricing tailored to your project requirements.

Do you provide dissolution testing for stability studies?

Absolutely. Dissolution testing is a key component of our stability program. We test at initial, intermediate, and final timepoints according to ICH guidelines to ensure your product maintains specifications throughout its shelf life.

How does dissolution testing support regulatory compliance?

Dissolution test data supports your GMP documentation, batch records, and regulatory filings. Proper testing and documentation help demonstrate compliance with FDA 21 CFR Part 111, EU GMP requirements, and other regulatory standards for your target markets.

Ready to launch your supplement brand? SREKE provides GMP-certified OEM/ODM manufacturing for softgels, capsules, tablets, powders, gummies, and liquids. Contact us for a free quote or email [email protected] — we respond within 24 hours.