Tested &
Certified By

Tested &
Certified By

<p>Soil <br/>Association</p>

Soil
Association

<p>Agriculture <br/>Biologique</p>

Agriculture
Biologique

<p>Bio-Siegel</p>

Bio-Siegel

<p>EU Organic</p>

EU Organic

Rigorous Third-Party Lab Testing

When it comes to supplements, you deserve to know what exactly you’re taking for your wellness. Many companies hide their patented formulations or make misleading claims without quality checks. But we don’t.


Instead of relying on internal quality checks during sourcing and manufacturing, we send our supplements to third-party laboratories to verify their purity and quality without internal bias. The testing is carried out by leading European laboratory groups recognised for their scientific expertise and analytical standards, so you can upgrade your wellness with 100% confidence. 



No misleading claims. No hidden ingredients. No harmful toxins. Only real results.

Why You Should Choose Tested Supplements

Know Your Ingredients

Confirms that the ingredients and amounts on the label match what’s inside the supplement, in line with our strict quality and formulation standards.

Protect Your Safety

Confirms that the ingredients and amounts on the label match what’s inside the supplement, in line with our strict quality and formulation standards.

Minimise The Risk of Side Effects

Confirms that the ingredients and amounts on the label match what’s inside the supplement, in line with our strict quality and formulation standards.

Be Confident In Your Choice

Confirms that the ingredients and amounts on the label match what’s inside the supplement, in line with our strict quality and formulation standards.

Tested.

Trusted.

Transparent.

At WeightWorld, quality isn’t a choice; it’s a commitment, as your safety is our first priority. That’s why we follow rigorous quality standards across sourcing, manufacturing and testing.
 
From third-party lab testing to GMP-certified production, every step is designed to deliver supplements you can trust for your health, every day.

See Our Certified Products

Our Independent Lab Testing Processes

Independent laboratories test our supplements by recognised European analytical standards and procedures. Wherever possible, these assessments provide further objective verification beyond the standard quality controls.
Certain products also undergo additional testing and certification based on their formulation, ingredient profile, and sourcing requirements…all without any internal bias.

Heavy Metal Analysis

A wide range of our wellness supplements undergo independent third-party laboratory testing to ensure their purity, quality and safety, giving you complete confidence in what you’re taking every day.

Certified Organic Verification

Where applicable, our supplements are formulated with all-organic ingredients and assessed to be certified in line with recognised organic standards. This testing guarantees that all the ingredients in our supplements meet the established criteria for organic sourcing and processing.

Our supplements are tested for

Lead

Mercury

Arsenic

Cadmium

Supplement Testing Methodology

Supplement Testing Methodology

Labs performs heavy metal testing on our supplements using a process that abides by recognised European analytical standards and procedures.

Step 1
Batch Sample Selection

Batch Sample Selection

We take product samples from real manufacturing batches for independent analysis.

Step 2
Precise Heavy Metal Analysis

Precise Heavy Metal Analysis

Our product samples are tested for lead, arsenic, cadmium and mercury using advanced laboratory equipment designed to detect even trace amounts.

Step 3
Controlled Laboratory Conditions

Controlled Laboratory Conditions

All the testing is carried out under controlled laboratory environments for accuracy and consistency. This ensures our lab test results are repeatable and reliable.

Step 4
Verified Result Evaluation

Verified Result Evaluation

All test findings are reviewed against established safety benchmarks. This helps us confirm that our supplements meet the defined quality and safety standards for you.

GMP-Certified: Our Commitment to Quality

GMP-Certified: Our Commitment to Quality

All supplements on our website are manufactured in GMP-certified facilities (Good Manufacturing Practice). This means every supplement is made under strict quality controls, covering sourcing, production, testing and packaging.

These standards help us guarantee consistent purity and product integrity across our entire range of products.

This is our promise to deliver supplements you can trust, batch after batch.

Consistent quality in every batch
Consistent quality in every batch
Hygienic manufacturing conditions
Hygienic manufacturing conditions
Accurate labelling you can trust
Accurate labelling you can trust
High saftey & quality standards
High saftey & quality standards

Innovation That Evolves With You

Your wellness journey should be hassle-free and tailored to your needs and preferences. That’s why we, at WeightWorld, keep innovating our supplement formulations and formats to ensure we cater to all wellness needs and lifestyles. 

This approach reflects our ongoing commitment to easy accessibility and customer-centred innovation.

Explore Our List of Tested & Certified Products

The following WeightWorld supplements have been tested and certified by third-party testing and certification organisations. You can find the test reports and certification details for all our eligible products below to make an informed choice with confidence.

Ashwagandha KSM-66 Tablets

180 Tablets

Magnesium Glycinate (Bisglycinate) Capsules

90 Capsules

Vitamin D3 + K2 (MK7) Tablets

365 Tablets

Pure Marine Collagen Capsules

60 Capsules

Creatine Monohydrate Tablets

90 Tablets

Glucosamine, Chondroitin & MSM Capsules

180 Capsules

Vitamin D3 Tablets

400 Tablets

Vitamin C With Rosehip and Bioflavonoids Tablets

180 Tablets

Hyaluronic Acid Capsules

120 Capsules

Magnesium Citrate Capsules

120 Capsules

Liposomal Vitamin C Capsules

90 Capsules

Ashwagandha Gummies

60 Gummies

Omega-3 Fish Oil Softgels

400 Softgels