Yes. Unopened, it is good until its printed expiration. After opening, the preservative only holds for about 28 days, after which it should be discarded. Discard sooner if the water looks cloudy, discolored, or has visible particles.
Everything here is for laboratory research use only. It describes bacteriostatic water and reconstitution arithmetic — not dosing, and not medical guidance. If your goal is treating something in yourself, that's a job for a licensed clinician.
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