Revenue (Details - Disaggregated revenue) - USD ($)	3 Months Ended
Aug. 31, 2025	Aug. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 24,200	$ 178,887
Clinical Trials [Member]
Disaggregation of Revenue [Line Items]
Total revenue	24,139	178,386
Consulting Fees [Member]
Disaggregation of Revenue [Line Items]
Total revenue		0
Merchandise [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 61	$ 501

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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