Class II · Moderate risk
Calm Me (Aminobutyric Acid (GABA)
Lack of Assurance of Sterility
Is Tryptophan recalled?
Yes — there is an active recall. 1 ongoing FDA recall mention Tryptophan (5 total). Check the affected lots below.
Most common reason: Sterility / contamination (5 of these recalls)
Recalls are matched by product description. A recall usually affects specific lots, not every package of Tryptophan. “Active” means an FDA recall is still ongoing; “closed” means it was terminated or completed. Checked against openFDA on Oct 10, 2026.
Tryptophan recalls on record
none so far in 2026; 5 on record, newest first
Class II · Moderate risk
Tryptophan 10mg/Ml
Lack of Assurance of Sterility
Class II · Moderate risk
L-Tryptophan Injectable
Lack of Assurance of Sterility
Class II · Moderate risk
L-Tryptophan 300 Mg/Ml Injectable
Lack of Assurance of Sterility; FDA inspectional findings resulted in concerns associated with quality control procedures that impacted sterility assurance
Class II · Moderate risk
L-Tryptophan 15mg/Ml Injectable 60 Ml
Lack of Assurance of Sterility: Franck's Lab Inc. initiated a recall of all Sterile Human Drugs distributed between 11/21/2011 and 05/21/2012. FDA environmental sampling revealed the presence of microorganisms and fungal growth in the clean room where sterile products were prepared.
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