Third-Party Lab Testing & Batch COAs
Every single production batch of 4Well is manufactured in an FDA-inspected, cGMP-certified US facility and independently tested by ISO/IEC 17025 accredited laboratories. We publish our analytical reports because true wellness requires total transparency.
1. Active Potency Verification
Using High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry, we verify that every capsule meets or exceeds 100% of the active milligram claim on the label.
100%+ Potency Guarantee2. Heavy Metal Screening
Inductively Coupled Plasma Mass Spectrometry (ICP-MS) screens each batch for Lead, Arsenic, Cadmium, and Mercury to strictly adhere to USP and California Prop 65 safety limits.
Zero Toxic Contaminants3. Microbiological Safety
Rigorous assays ensure zero presence of harmful pathogens including E. coli, Salmonella, Staphylococcus aureus, and total aerobic yeast and mold counts.
Microbiologically Pure4. cGMP USA Manufacturing
All formulas are encapsulated, bottled, and sealed under strict Current Good Manufacturing Practices (21 CFR Part 111) in certified facilities in the United States.
cGMP CertifiedInside a 4Well Certificate of Analysis
Unlike marketplace brands that display generic "Lab Tested" marketing badges, we share real analytical documentation. Below is an actual third-party Certificate of Analysis for 4Well NAD+ 1400mg Complex (Lot #2410366), demonstrating 100% potency and zero detectable heavy metal or microbial contaminants.
- Testing Facility: Advanced Botanical & Microbiological Labs (ISO/IEC 17025)
- Test Methods: HPLC for Nicotinamide Riboside & Resveratrol; ICP-MS for Heavy Metals; USP <2021/2022> for Microbials
- Status: ✓ CONFORMS TO SPECIFICATION (PASS)
Formula Batch Registry & Verification Directory
Locate your formula and lot code below. Need a specific certificate not listed? Email us at info@4well.com with your lot code and our quality assurance team will send your batch record within 24 hours.
| Formula Name | Current Production Lot | Testing Protocol | Lead Lab | Status | Certificate |
|---|---|---|---|---|---|
| NAD+ 1400mg Complex Nicotinamide & Collagen | #2410366 |
HPLC Potency, ICP-MS, Microbials | Advanced Botanical Labs | ✓ PASS | View COA → |
| Cortisol Health for Women KSM-66® & L-Theanine | #2411042 |
Withanolide HPLC, ICP-MS, Pathogens | Certified Laboratories USA | ✓ PASS | Request PDF → |
| Magnesium Advanced 610mg Glycinate & Citrate Chelate | #2410884 |
Elemental Chelation, ICP-MS, Heavy Metals | Midwest Testing Labs | ✓ PASS | Request PDF → |
| Saw Palmetto for Men DHEA & 45% Fatty Acids | #2409182 |
Lipid Profile, DHEA Purity, Microbials | ChromaDex Analytical | ✓ PASS | Request PDF → |
| Saw Palmetto for Women DHEA, Collagen & Follicle Actives | #2409195 |
Botanical Markers, Collagen Spectrum, ICP-MS | Eurofins Scientific | ✓ PASS | Request PDF → |
| DIM Complex 370mg Diindolylmethane & Zinc Chelate | #2408914 |
DIM Assay, Zinc Bioavailability, Residuals | ISO Analytical Labs | ✓ PASS | Request PDF → |
| Resveratrol 1800mg Trans-Resveratrol Longevity Active | #2410521 |
98% Polyphenol HPLC, Heavy Metals, Microbials | Advanced Botanical Labs | ✓ PASS | Request PDF → |
| Berberine Triple Strength 97% Berberine HCl + ACV Complex | #2411203 |
Berberine Alkaloid Assay, Yeast/Mold, Metals | ChromaDex Analytical | ✓ PASS | Request PDF → |
Have a Bottle in Hand? Request Your Specific Batch Certificate
Locate the 7-digit Lot # printed on the bottom of your bottle or near the barcode, and send it to our Quality Assurance Department. We will reply with your batch analysis within 24 hours.
Email info@4well.com for Your Batch COA →
