Fathom Nutrition | Tested for Purity. Backed by Science.

3rd Party Testing

We believe our customers should have full confidence in the purity and safety of our products, which is why we conduct rigorous 3rd-party testing to verify every product meets strict safety standards.

Guided by the principles of evidence-based science, premium quality, and uncompromising integrity, we're developing new kind of fitness company.

We proudly pay for 3rd Party Testing and publish all results. Search below to find product purity tests (Certificates of Analysis), ingredient verification tests, or gluten tests (where applicable).

Fathom was built for people who live deliberately. People who train with intention and view discipline not as punishment but as freedom. Fathom is more than a brand. It is a signal. A marker of a mindset. A commitment to never negotiate with your own potential.

Applicable Fathom Nutrition products are tested and certified by NSF for Sport to verify they do no contain unsafe levels of contaminants, prohibited substances, or masking agents, and that what is on the label matches what is in the product. Consumers can feel safe knowing that Fathom Nutrition products have been tested to the highest standards, at a GMP-certified facility, and audited regularly.

All Fathom Nutrition supplements are manufactured in GMP-certified facilities and tested and certified by the NSF 455 program to verify the quantity of the dietary ingredients declared on the product label. This program uses the same rigorous criteria as NSF/ANSI 455 to ensure a safer product reaches the consumer.

Up to date Certificates of Analysis for all products can be found here:

Up to date Ingredient Verification Tests for all products can be found here: