The short version
13 companies supply this market — deep enough that no single failure threatens the supply. The price is down 25% over the past year, to $0.3942 per mL. It is in shortage right now. One of its named manufacturing plants, Zhejiang Huahai Pharmaceutical Co., Ltd., 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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