The short version
Just 3 companies supply this market — thin enough that a single exit would be felt immediately. The price has fallen 79% in a year, to $1.05 per unit — and generics that get this cheap tend to get abandoned rather than defended. One of its named manufacturing plants, Glenmark Pharmaceuticals Limited, failed FDA inspectionwithin the last two years — the agency’s most serious outcome. Put together: worth watching — several of the pressures that precede supply trouble are present at once.
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