Quality
What we test, and what we publish
What the current lot of each formula was tested for
Heavy metals
Arsenic, cadmium, lead and mercury, measured by ICP-MS.
Microbes
Passed microbial limits. E. coli, Salmonella and Staph aureus not detected.
Gluten
Every formula under 10 ppm (the gluten-free limit is 20 ppm).
Heavy-metal results, per daily serving
In micrograms (mcg). Source: our manufacturer’s Certificate of Analysis for each lot, April 2026.
| Formula (lot) | Arsenic | Cadmium | Lead | Mercury |
|---|---|---|---|---|
| Refocus (251217-2C) | 0.31 | 0.012 | 0.064 | 0.002 |
| Recharge (251217-4C) | 0.21 | 0.029 | 0.096 | <0.001 |
| Restore (251217-3C) | 0.024 | 0.006 | 0.063 | <0.001 |
Where it’s made
Made in the USA with globally sourced ingredients. Each jar is dark glass with a heat-induction seal, so you can see if it’s ever been opened.
What’s in it
- Formulated with Methylene Blue USP.
- Branded ingredients where it matters: Suntheanine® L-theanine in Refocus, Sensoril® ashwagandha in Recharge.
- No proprietary blends. The only inactive ingredients are the vegetarian capsule plus microcrystalline cellulose, magnesium stearate and silicon dioxide, all listed on the label.
- No caffeine or synthetic stimulants.
Want the full certificate?
Email contact@nueblu.co with the product and lot number (printed on the jar) and we’ll send you the complete Certificate of Analysis.
Coming next
Independent lab reports for identity and strength of every active ingredient. When they’re in, they’ll be posted here in full.
*These statements haven’t been evaluated by the Food and Drug Administration. This product isn’t intended to diagnose, treat, cure, or prevent any disease. Suntheanine® is a registered trademark of Taiyo International, Inc. Sensoril® is a registered trademark of its owner.