Proof & Testing

Anyone can claim purity. Not everyone can prove it. This is where Pürblack shows its work — batch-specific Certificates of Analysis, third-party lab verification, patent protection, and a direct account of how counterfeit and diluted shilajit gets sold under names that aren't ours. If you want evidence before you buy, start here.
Certificate of Analysis
Every batch, every product, tested and published. Look up identity, heavy metal, and microbial results for the exact jar or capsule you're considering — not a generic brand claim.
View Certificates of Analysis →
What's Really In Your Shilajit Supplements?
The shilajit market is full of diluted, adulterated, and outright fake product sold at low prices. Here's what to look for, and how Pürblack's testing and sourcing stand apart.
Read the release →
Our Patents
Five granted U.S. patents cover our extraction, purification, and processing methods — including the guaranteed limits on trace elements and heavy metals built into every formula.
View Patents →
Advisory Council
Independent scientific oversight behind our formulations and testing standards — the people reviewing the science, not just the marketing.
Meet the Council →
Certifications & Lab Results
Third-party testing with NSF, plus internal analytical testing for identity, heavy metals, and microbial screening — on every batch, not a sample set.
Certificate of Analysis →
Purity & Authenticity Verification
Every jar carries a registrable serial and batch number. Here's how to confirm what you bought is real, and what the counterfeit market gets away with.
What's Really In Your Shilajit Supplements? → Our Patents →
Manufacturing Controls
Controlled, low-temperature processing and documented sourcing — the standards behind every batch, covered in the same criteria we hold ourselves to.
Shilajit Quality Guide → Peptides Quality Guide →
Patent Protection
What each of our five patents actually covers, and why patent protection matters for purity claims you can't verify by label alone.
Our Patents →
Advisory & Scientific Oversight
The independent researchers and clinicians reviewing our formulations and standards, not just the marketing copy.
Advisory Council →

Every product on this site is backed by what's on this page

Shilajit Live Resins — True Gold, Research Grade, Immunity Max, Déjà Brew, and White Rabbit are all third-party tested and five-patent protected.
Shop Shilajit Shop White Rabbit Shop Coated Silver
Peptides — Muscle+, Joint+, and the full peptide line carry the same testing and verification standard.
Shop Peptides
New here? Look up your batch on the Certificate of Analysis page.
Worried about counterfeits? Read What's Really In Your Shilajit Supplements? →
Want the mechanism, not just the proof? Science & Innovation →
Have questions? FAQ →

FAQ

Authentic shilajit should be verified for fulvic acid and ashless humic acid content, tested for heavy metals and microbial contaminants, and traceable to a documented mountain source — not judged by branding or price alone. Read our shilajit quality guide for the full criteria.

Yes. Every Live Resin batch undergoes independent third-party testing with NSF along with Pürblack's internal testing for identity, heavy metals, and microbial contamination. Batch-specific results for every product are available on our Certificate of Analysis page.

Yes. Every formula undergoes independent third-party testing with NSF along with Pürblack's internal analytical testing for identity, heavy metals, and microbial screening.
Batch-specific Certificates of Analysis for each peptide product are available on our Certificate of Analysis page.

The shilajit market includes fake, adulterated, and diluted products, especially at low prices. Pürblack ources from documented mountain rock, tests every batch through independent third-party labs, and gives each jar a registrable serial number for
authenticity verification. See our patents page for more on how we guard against counterfeits.

Every jar of Pürblack shilajit carries a serial number and batch number that can be registered online to confirm authenticity and quality. Details are on our patents page.

Yes. Pürblack holds five granted US patents covering the extraction, purification, and processing methods used across the entire Live Resin line. Details on each patent are available on our patents page.

High-quality peptide supplements are verified for oral bioavailability, disclosed marine or protein origin, verified peptide composition, controlled low-temperature processing, and independent purity testing. Our peptides quality guide outlines the full criteria we hold every Pürblack peptide formula to.