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Contract Testing Insights
Quality control guides, regulatory updates, and raw material verification insights for supplement manufacturers, cosmetic brands, and contract manufacturers.
Ashwagandha Withanolide Claims: What HPLC Testing Actually Finds in Raw Material Shipments
Withanolide claims on ashwagandha CoAs are frequently overstated. An analytical testing laboratory explains what rigorous HPLC analysis actually reveals.
The COA Blind Spot: Why Independent Raw Material Testing Protects Your Supplement Brand
Supplier COAs aren't a quality system — 21 CFR Part 111 requires independent testing on every lot. Here's what Midwest supplement brands need to know.
Heavy Metals in Protein Powder Raw Materials: What ICP-MS Testing at Analytical Laboratories Reveals
ICP-MS testing at analytical laboratories routinely finds lead, cadmium, and arsenic in plant-based protein raw materials. Here's what Midwest supplement brands need to know.
Why Passing USP <61> Doesn't Mean Your Botanical Ingredient Is Safe: The Case for Specified Organism Testing
USP <61> measures total microbial count; USP <62> catches Salmonella and E. coli. For botanical raw materials, running only one test leaves real compliance gaps.
What USP Botanical Monographs Actually Require — And Why Most CoAs Don't Show It
USP botanical monographs specify 4–6 tests each. Here's what identity, assay, and purity testing should look like — and what to ask your raw material supplier.
21 CFR Part 111 Identity Testing: What Analytical Laboratories Actually Help You Prove
Understand exactly what 21 CFR Part 111 requires for incoming ingredient identity testing — and how ISO 17025 analytical laboratories help supplement brands build defensible cGMP records.
What Your Botanical CoA Doesn't Tell You: The Case for Dual-Method Identity Testing
Supplier CoAs routinely miss species substitution. Here's why Midwest supplement brands need both HPTLC and DNA barcoding for defensible botanical identity.
Why Accelerated Stability Testing Can Mislead You on Herbal Supplement Shelf Life
Accelerated stability testing can mislead herbal brands on shelf-life claims. Here's what analytical testing labs actually find in botanical matrices.
FDA Import Alerts and Botanical Raw Materials: What Chicago-Area Supplement Brands Need to Know
FDA import alerts can freeze your botanical raw material supply overnight. Here's what triggers them, the real cost, and how third-party testing protects your sourcing.
What USP <61> and <62> Actually Test For — And Why Botanical Brands Keep Getting Surprised
USP <61> and <62> are not the same test. A technical deep dive into microbial limits for herbal supplements, method suitability traps, and what 21 CFR 111 actually demands.
Why Your Supplier's COA Won't Catch Botanical Adulteration — And What Analytical Testing Labs Actually Find
59% of herbal products show adulteration despite clean supplier COAs. Learn how analytical testing laboratories use HPTLC and DNA barcoding to protect your brand.
Why Your Supplier's CoA Isn't Enough: Using an Analytical Testing Laboratory to Qualify Raw Material Vendors
A supplier's certificate of analysis is a starting point, not a finish line. Here's what 21 CFR Part 111 requires and how independent testing protects your brand.
Heavy Metals in Botanical Raw Materials: What USP <232> and <233> Require — and Why ICP-MS Is Non-Negotiable
USP <232> sets elemental PDE limits and USP <233> requires ICP-MS validation — but supplier COAs rarely meet the standard. Here's what Midwest supplement brands must verify before every production run.
Beyond the COA: How Analytical Testing Labs Detect Adulteration in Botanical Raw Materials
Supplier COAs alone won't protect your brand. See how analytical testing labs catch species substitution, fillers, and undeclared pharmaceutical adulterants.
Amazon's Supplement Enforcement Is Tightening — The COA Documentation Gap Midwest Brands Must Close
Amazon now requires ISO/IEC 17025 COAs for supplement listings. Here's the DSHEA documentation gap Midwest brands must close to avoid delisting.
The Raw Material Specification Sheet: What 21 CFR Part 111 Actually Requires (And the 5 Elements Brands Keep Missing)
What 21 CFR Part 111 §111.70 actually requires for botanical raw material spec sheets—and the 5 elements Midwest supplement brands consistently miss.
Why ICP-MS Is the Only Method That Satisfies USP <232>/<233> for Herbal Supplement Heavy Metals
Herbal ingredients concentrate heavy metals. Here's why ICP-MS is the only method that satisfies USP <232>/<233>, and what a compliant CoA actually looks like.
What an Analytical Testing Lab Finds When Screening Ashwagandha, Turmeric, and Elderberry for Adulteration
Three of the supplement industry's most adulterated botanicals — and exactly what a qualified analytical testing lab looks for when screening raw material lots.