Draft. This page is pending legal review and some details are still to be filled in.

Terms of Use

Effective October 8, 2026

MCAS Lookup is a free information resource provided by [Sōtō Naturals legal entity name](“Sōtō Naturals,” “we”). By using it, you agree to these terms. If you don't agree, please don't use the site.

Not medical advice

MCAS Lookupshares general information drawn from public drug labels and published research. It is not medical advice, doesn't diagnose or treat any condition, and doesn't replace a conversation with your doctor, pharmacist or other qualified health professional. Using the site doesn't create a doctor–patient or pharmacist–patient relationship.

Please don't start, stop or switch a medication, or change how you take it, based on this site. Bring what you find here to your prescriber or pharmacist and decide together.

If you think you're having a severe allergic reaction or another emergency, use your emergency medication as prescribed and call 911 or your local emergency number.

How to read the information

  • Everyone with MCAS is different. An ingredient we point out may never bother you, and a product with nothing noted may still cause a reaction.
  • Our ingredient lists come from labels published by the FDA and the National Library of Medicine. Manufacturers can change ingredients before those labels are updated, so always check the package insert for the product you actually receive.
  • Our notes about ingredients summarize published research and the views of MCAS specialists and organizations. Research in this area is limited and evolving, and our summaries may be incomplete or out of date.
  • Other manufacturers we list may not be available from your pharmacy or covered by your insurance.

No warranty

The site and its information are provided “as is” and “as available,” without warranties of any kind, express or implied, including warranties of accuracy, completeness, fitness for a particular purpose and non-infringement. We don't guarantee that the site will be available, error-free, or that the third-party data it relies on is correct.

Limitation of liability

To the fullest extent permitted by law, Sōtō Naturalsand its owners, employees and contributors aren't liable for any direct, indirect, incidental, consequential or other damages arising from your use of, or reliance on, the site or its information. Some places don't allow certain limits on liability, so some of these may not apply to you.

Third-party data and links

The site uses public data from the U.S. Food and Drug Administration (openFDA) and the U.S. National Library of Medicine (DailyMed and RxNorm). Neither agency is responsible for this site or endorses it. We also link to research papers and MCAS organizations; we don't control those sites and aren't responsible for their content. See Sources & method for details.

Acceptable use

Please use the site as a personal reference. Don't:

  • send automated or bulk requests, or scrape the site;
  • interfere with the site's operation or security;
  • present the site's information as medical advice to others, or as endorsed by us.

Ownership

The site's design, text and the Sōtō Naturals name and logo belong to Sōtō Naturals. Drug label data comes from U.S. government sources, and research papers belong to their authors and publishers.

Changes

We may update the site or these terms at any time. The effective date above shows when they last changed, and continuing to use the site means you accept the current version.

Governing law

These terms are governed by the laws of [state], without regard to its conflict of law rules.

Contact

Questions, or found an error in our information? Contact [contact email]. See also our Privacy Policy.