Vitamin & Mineral Testing for Quality control
Reliable vitamin & mineral testing designed for quality control. ISO 17025 accredited methods with detailed reporting to meet your regulatory requirements.
ISO 17025 
48h Turnaround 
100% Satisfaction 
Quick Answer
Vitamin & Mineral Testing for quality control ensures products meet the specific regulatory and quality standards required for market entry. ISO 17025 accredited laboratories like Qalitex provide validated testing methods, detailed COA reports, and expert guidance to support quality control processes efficiently.
FDA Warning: Vitamin D Toxicity Reports Linked to Mislabeled Supplements
The FDA received adverse event reports tied to vitamin D over-fortification in supplement products, where actual potency exceeded label claims — reinforcing the need for independent potency verification.
Achieving quality control requires accurate, accredited laboratory testing that regulatory bodies and marketplace platforms trust. Qalitex Laboratories provides vitamin & mineral testing tailored for quality control requirements. Vitamins and minerals are highly regulated in dietary supplements and foods. Qalitex Laboratories provides quantitative potency testing for all major vitamins and minerals, ensuring your label claims are accurate, FDA-compliant, and defensible in audits. Our ISO 17025 accredited methods and detailed COA reports are designed to streamline your quality control process.
How Vitamin & Mineral Testing Supports Quality control
Quality control requires documented evidence of product safety and quality. Qalitex provides the specific testing and documentation needed to support your quality control process, including detailed COA reports, method validation documentation, and expert consultation on testing scope. Our ISO 17025 accreditation ensures your results are accepted by regulatory bodies and marketplace platforms.
Vitamins We Test
We test fat-soluble vitamins (A, D, E, K1, K2) and water-soluble vitamins (C, B1 thiamine, B2 riboflavin, B3 niacin, B5 pantothenic acid, B6 pyridoxine, B7 biotin, B9 folate, B12 cobalamin) using HPLC, UV-Vis, and microbiological assay methods.
Minerals & Trace Elements
Using ICP-MS and ICP-OES, we quantify essential minerals including calcium, magnesium, zinc, iron, copper, selenium, chromium, manganese, and iodine. Results are compared against label claims and regulatory limits (USP, EU, and national standards).
Label Claim Compliance
We help brands stay compliant with FDA label claim tolerances (USP <905> for uniformity), ensuring supplement facts panels accurately reflect nutrient content. Critical for FDA enforcement defense, retailer audits, and Amazon listing compliance.
Key Tests & Methods
Applicable Standards
Industries We Serve
How It Works
Three simple steps to your results
Submit your samples
Ship samples to our Irvine or San Diego laboratory with your order form.
Testing & analysis
Our ISO 17025 accredited scientists run validated test methods.
Receive your CoA
Get a signed Certificate of Analysis within 48–72 hours.
FAQ
Frequently Asked Questions
What testing is required for quality control?
Quality control typically requires identity testing, purity analysis, potency verification, and contaminant screening. The exact panel depends on your product type and target market. Qalitex Labs can recommend the appropriate testing scope for your specific quality control needs.
How long does testing take for quality control?
Standard turnaround at Qalitex is 5–7 business days, with rush 48-hour service available for most test types. We recommend planning testing 2–3 weeks ahead of your quality control deadline to allow for any retesting if needed.
Is Qalitex Laboratories ISO 17025 accredited?
Yes. Qalitex Laboratories holds ISO/IEC 17025 accreditation, the international standard for testing and calibration laboratories. This ensures our methods, equipment, and quality systems meet the highest standards of accuracy and reliability.
What is your turnaround time?
Standard turnaround is 5–7 business days. Rush service with 48-hour turnaround is available for most test types. Contact us to discuss your timeline requirements.
What types of products do you test?
Qalitex tests dietary supplements (capsules, powders, gummies, liquids), cosmetics and personal care products, food and beverage items, botanical extracts, and raw materials. We serve brands, contract manufacturers, and Amazon FBA sellers.
How do I submit samples for testing?
Ship your samples to our Irvine or San Diego laboratory with a completed sample submission form. We provide prepaid shipping labels for qualifying orders. Results are delivered electronically via secure portal.
Which vitamins and minerals does Qalitex test?
Qalitex tests all major fat-soluble vitamins (A, D, E, K1, K2) and water-soluble vitamins (C, B1, B2, B3, B5, B6, B7, B9, B12) using HPLC and UV-Vis methods, plus essential minerals (calcium, magnesium, zinc, iron, selenium, chromium, and more) by ICP-MS.
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