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Customised medicine and FDA approval are different claims

Read the preparation type, exact product and regulatory record separately instead of treating personalised or bioidentical as an approval status.

MichaelT editorial24 October 2026

Identify what is actually described

Record the medicine’s exact identity, formulation, preparation context and jurisdiction from the real professional information. Personalised, natural and bioidentical are not interchangeable with a named regulator record. A hormonal-treatment advertisement or a saliva-test claim cannot establish which product is being supplied, why it is appropriate or what evidence applies to an individual.

Read the US distinction accurately

FDA explains that compounded drugs are not FDA-approved and that compounding can meet important patient needs when an approved medication is not medically appropriate. It also distinguishes a compounded preparation from an FDA-approved generic. Those are different regulatory concepts, not a statement that every customised preparation is unlawful or that every approved product is suitable for every patient.

Keep the person and the product in separate records

A professional’s identity or a facility’s registration does not itself provide FDA approval of an individual finished preparation. Ask the treating clinician or pharmacist to explain the actual product, reason for its preparation, supporting information and relevant instructions. Do not infer safety, effectiveness, cancer prevention or a need for hormone replacement from marketing language or an unrelated ingredient approval.

Prepare a focused professional question

Retain the actual label and prescribing information privately and ask which status and evidence apply to this preparation. Keep an unanswered identity or status field open. Do not start, stop, switch or change a medicine to make a worksheet agree with an internet page. No hormone, testing method, dose, application route or individual treatment is recommended here.

Personalised does not name a status: A personalised description and professional credentials do not establish the regulatory status or clinical suitability of a particular preparation.
Original MichaelT explanatory drawing. A personalised description and professional credentials do not establish the regulatory status or clinical suitability of a particular preparation. Open full-size drawing ↗
Read the drawing as text

A personalised description and professional credentials do not establish the regulatory status or clinical suitability of a particular preparation.

Work through an example

A fictional advertisement calls preparation P personalised and lists a professional’s credentials. The reader asks the pharmacist to identify P and explain whether it is an approved finished product or a compounded preparation. The credentials do not fill the product-status field. No actual medicine, pharmacy, prescription, legal compliance or clinical outcome is assessed.

Illustrative example; figures, people and organisations in the worked record are fictional.

The example record

  • Identity

    Illustrative evidence
    Preparation P not yet identified
    Meaning or next step
    Exact formulation and context?
  • Description

    Illustrative evidence
    Personalised in advertisement
    Meaning or next step
    Not an approval record
  • Professional

    Illustrative evidence
    Credentials supplied
    Meaning or next step
    Separate from product status
  • Question

    Illustrative evidence
    Clinician/pharmacist clarification
    Meaning or next step
    No treatment change from worksheet

Download blank worksheet (.csv) ↗Download worked example (.csv) ↗

Keep your own record

Use the result within its scope

Use the actual regulator and qualified professional advice for the jurisdiction and medicine. This comparison explains document roles; it cannot decide treatment suitability, approve a preparation or determine the legality of an individual supply.

Reference sources

Earlier articles on this subject

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