Vitamin and Mineral Testing

Qalitex Laboratory Services is a ISO 17025 Laboratory  that offers advanced vitamin and mineral testing services tailored for the dietary supplement industry.  Whether you’re formulating a multivitamin, launching a gummy line, or importing premixes, our laboratory helps you ensure accurate potency, identity, purity, and label claim compliance.

Our testing methods are aligned with USP, AOAC, and FDA guidance. We serve private-label brands, manufacturers, Amazon sellers, and wellness startups across the U.S. and internationally. So, whether you are looking for  multivitamin gummy supplement testing or  softgel stability studies, trust us to do all your vitamin and mineral testing. 

Why Vitamin and Mineral Testing Matters

• Verify active ingredient content matches label claims

• Detect overages or deficiencies before market release

• Ensure compliance with FDA DSHEA regulations

• Prevent heavy metal contamination and ingredient degradation

• Meet retailer, distributor, and Amazon supplement requirements

Testing Capabilities

Vitamin Testing

We test water-soluble and fat-soluble vitamins in finished products and raw materials.

Water-Soluble Vitamins

• Vitamin B1 (Thiamine)

• Vitamin B2 (Riboflavin)

• Vitamin B3 (Niacin / Niacinamide)

• Vitamin B5 (Pantothenic Acid)

• Vitamin B6 (Pyridoxine)

• Vitamin B7 (Biotin)

• Vitamin B9 (Folic Acid / Folate)

• Vitamin B12 (Cyanocobalamin, Methylcobalamin)

• Vitamin C (Ascorbic Acid)

Fat-Soluble Vitamins

• Vitamin A (Retinol, Beta-Carotene)

• Vitamin D2 / D3 (Ergocalciferol / Cholecalciferol)

• Vitamin E (Alpha-Tocopherol, Mixed Tocopherols)

• Vitamin K1 / K2 (Phylloquinone / Menaquinone)

Mineral Testing

We test both essential macro and trace minerals, including heavy metals when required.

Essential Minerals

• Calcium

• Magnesium

• Potassium

• Sodium

• Phosphorus

• Iron

• Zinc

• Copper

• Manganese

• Selenium

• Chromium

• Molybdenum

• Iodine

Optional and Trace Elements

• Boron

• Vanadium

• Nickel

• Silicon

• Lithium

Heavy Metals (on request or by regulation)

• Lead

• Arsenic

• Cadmium

• Mercury

Methods We Use

• HPLC / UPLC for water- and fat-soluble vitamins

• ICP-MS / ICP-OES for mineral and heavy metal content

• UV/Vis Spectroscopy for Vitamin A, E, and others

• Microbiology and stability testing for shelf-life and degradation

• Label claim verification

• Accelerated stability testing (real-time and stress conditions)

Vitamin and Mineral Product Types We Test

We work with all major dietary supplement formats, including:

Tablets

• Multivitamins, calcium with D3, iron complexes

Capsules

• Magnesium citrate, B-complex, selenium blends

Softgels

• Vitamin D3, omega-3 with vitamin E, mixed tocopherols

Gummies

• Children’s multivitamins, biotin, vitamin C and zinc

Powders

• Daily greens, hydration powders with electrolytes, BCAA with B vitamins

Ready-to-Drink Beverages

• Vitamin-infused waters, wellness shots, immune support elixirs

Liquid Drops and Tinctures

• Vitamin D3 drops, sublingual B12, multivitamin liquids

Functional Foods

• Protein bars with added vitamins, gummy snacks with folate

Supplement Categories We Support

• Men’s and women’s multivitamins

• Prenatal and postnatal supplements

• Bone health formulas (calcium, D3, K2)

• Energy and metabolism support (B-complex, iron)

• Immune support (vitamin C, D, zinc, selenium)

• Skin, hair, and nails (biotin, A, E, C, zinc)

• Botanical Supplements

• Herbal Supplements

• Electrolyte powders (potassium, magnesium, sodium)

• Teen, kids, and senior wellness supplements

• Vegan and vegetarian-friendly multivitamins

• Pet Supplements

Who We Serve

• Private label and white-label supplement brands

• Amazon and eCommerce sellers

• Contract manufacturers (CMOs)

• Wellness and nutrition startups

• Importers and global distributors

• Raw material suppliers

Our Testing Process

1. Consultation – We evaluate your formulation, target markets, and label claims

2. Sample Submission – Send finished product or raw material for testing

3. Laboratory Analysis – We apply validated USP, AOAC, and ISO methods

4. Reporting – You receive a Certificate of Analysis (COA) with verified data

5. Support – We assist with stability testing, compliance review, and retesting

FAQ – Vitamin and Mineral Testing

What is vitamin and mineral testing in supplements?
It is the lab-based analysis of vitamins and minerals to verify label accuracy, active content, and purity in supplement products.

Do you test raw ingredients and finished products?
Yes, we test both individual raw materials and final consumer-ready products like gummies, capsules, and powders.

Can you test vitamin content in liquids and gummies?
Yes. Our lab specializes in testing complex supplement forms including gummies, tinctures, emulsions, and functional drinks.

Do you offer heavy metal testing?
Yes. We offer ICP-MS analysis for lead, arsenic, cadmium, and mercury, especially important for imported blends and children’s supplements.

How fast can I get results?
Most standard vitamin and mineral tests are completed within 5–10 business days. Rush testing is available for most methods.