1 · Identify the sample
Product or material name, formula/specification version, lot number, sample date and test date.
MITEYO — Dietary Supplement OEM / ODMStart a project →Supplement COA and Testing Documents: Buyer Review Guide
COA and heavy-metal testing: the buyer’s document pack.
Ask for evidence that identifies your material or finished-product batch. This guide explains which records to request and how to connect them to the commercial specification.
01
Read a COA in five passes
2 · Compare specification and result
Keep acceptance limits beside the measured value and its unit. A reported “pass” should refer to an identified criterion.
3 · Check the method
Ask which method was used and whether it is appropriate for the actual powder, gummy, oil, capsule or oral film matrix.
4 · Review the reporting limit
A result below a reporting limit is different from a measured zero. Request the applicable detection or quantitation limit.
5 · Link to release
Confirm the reviewer, laboratory identity, document authorization and the batch-release record.
02
Agree a specific heavy-metal panel
For lead (Pb), cadmium (Cd), arsenic (As) and mercury (Hg), define the sample matrix, method, reporting units and acceptance basis. Discuss whether total or species-specific analysis is required for the material and destination. Avoid substituting a single unspecified “heavy metals” number for the agreed individual panel.
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Botanicals and algae
Source identity and the actual sampled lot matter; agree relevant contaminants alongside the ingredient specification.
Read more →MITEYOMinerals and sports ingredients
Connect raw-material documentation to the finished formula and intended serving. A raw-material COA does not report a finished gummy’s potency.
Read more →MITEYORequest the complete report
Provide your SKU, intended market, batch if known and retailer requirements so the team can identify relevant documents.
Read more →03
Three evidence levels, three different questions
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Site certificates
Who and which production scope is covered? See the certificate library.
Read more →Raw-material reports
What did the sampled ingredient lot show? Check identity, purity and relevant contaminants.
Finished-product reports
What did the manufactured formula and batch show? Agree assay, microbiology, contaminants and other release criteria.
TALK TO MITEYO
Tell us about the product you want to launch.
Share the dosage form, formula direction, target country, pack and estimated quantity. Include any certificate, COA or testing requirements your procurement team needs to review.