FDA Investigator

Adena S Yau

Latest inspection on record: Westbury, United States, April 2025 · records back to 2023

Human Drugs

FDA inspection record · Last updated July 12, 2026

Overview

  • 9 inspections across 9 sites are on record.
  • 14 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2025-04-23.

At a glance

Inspections

9

Sites

9

Observations

14

Career since

Sep 2023

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
P & L Development, LLC23 Apr 2025Human Drugs
The Estee Lauder Inc14 Mar 2025Human Drugs
Savings Distributors LLC19 Dec 2024Human DrugsView 483 →
LS Promotions Inc.2 May 2024Human DrugsView 483 →
Northtec Keystone15 Mar 2024Human Drugs

Sites inspected

P & L Development, LLCWestbury, United States1 insp.
The Estee Lauder IncMelville, United States1 insp.
Savings Distributors LLCIslandia, United States1 insp.
LS Promotions Inc.Ronkonkoma, United States1 insp.
Northtec KeystoneBristol, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Full investigator report

Get the verbatim findings behind Adena S Yau's 14 observations

Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.

  • New inspections and Form 483s, mapped to the CFR citation
  • Warning letter outcomes, and the citation patterns they repeat
  • Their co-investigators, so no surprises about who shows up on site