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Purity · passBatch · V4000023633Shop-provided sample

L-Carnitine × National Science Labs — Lab Test, June 2026

Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.77%
Excellent purity only
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Independent verification available

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Test results

7 data points
Purity
99.77%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
600 mg
Tested qty
577.69 mg
Qty match
96% of labeled · -4%
0label125%
Batch / Lot
V4000023633
Container
Clear Liquid
Tested by

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

Independent HPLC purity analysis of L-Carnitine from nationalsciencelabs.co, performed by freedomdiagnosticstesting.com on June 13, 2026. Reported purity: 99.77%. Net content: 577.69 mg against 600 mg labeled (96% of label). Batch V4000023633. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC-LC-MS certificate of analysis for L-Carnitine 600mg from National Science Labs showing 99.77% purity
Issued by freedomdiagnosticstesting.com · Jun 13, 2026 · Batch V4000023633

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