Laboratory Test Request

Finished Dietary Supplements Testing for Excipients

Project Description

MULTIPLE TESTING & SAMPLES

Seeking the quantification of individual excipients in a finished dietary supplement capsule with sarcosine as the active ingredient. We are looking to determine the levels of the following common excipients:


• Silicon Dioxide

• Microcrystalline Cellulose

• Dicalcium Phosphate

• Stearic Acid

• Croscarmellose Sodium.

We’d like to confirm whether your lab has the capability or validated methods to accurately quantify these ingredients, or if method development would be required.

If this is something your lab can support, could you please provide the following:



• Feasibility of testing each excipient in the presence of sarcosine

• Estimated cost per excipient (or bundled if applicable)

• Method development costs, if needed


• Turnaround times


• Sample quantity requirements


We would appreciate any guidance or documentation you can provide to help us assess next steps.

Project Information

Number:25-00925

Industry:Dietary Supplements and Nutraceuticals

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