Yep no chance for the carefully monitored pharmaceutical drugs to ever be under dosed.

This is not as uncommon as you may think.
Recall of Two Lots of Cytomel 25 mcg (Liothyronine) Tablets
King Pharmaceuticals, Inc has voluntarily recalled two lot numbers of Cytomel 25 mcg (Liothyronine Sodium) Tablets with product code number NDC 60793-116-0. Lot numbers 52215 (exp 09/2009) and 52216 (exp 09/2009) are being recalled because the tablets of these lot numbers were sub-potent (contained less than the labeled strength) 12 months after manufacturing. This recall notice only applies to these two lot numbers.
Cytomel is the brand name for liothyronine and is used primarily to treat hypothyroidism. No other Cytomel or liothyronine lot numbers were involved in this recall.
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Source: FDA
Publication Date: 2009-10-23
Last Updated: 2009-12-05