I've never seen it anywhere here in NY but I have no problem ordering online on the website
Manufactured by Hospira (now part of Pfizer), this product meets full United States Pharmacopeia specifications for use as a sterile diluent in research applications requiring reconstitution of lyophilized compounds
PLoS One 2014;9:e87488
The reconstituted solution is well-suited for prefilling because you control the concentration, you know exactly when reconstitution occurred, and bacteriostatic water provides preservative protection
The every-other-week dosing pattern was selected primarily for patient compliance and convenience, not clinical superiority
sugar-free with a long-established brand reputation What to consider Not third-party certified to USP or NSF standards Contains mannitol (sugar alcohol) which can cause GI upset in sensitive individuals Nature Made Sublingual Best budget pick Form & DoseCyanocobalamin (1,000 mcg per fast-dissolve tablet) Servings50 tablets per bottle Price Per Day~$0.24 to ~$0.31 Best ForTight budget with USP cert Verified July 2026 Included against our usual preference for methylcobalamin because: (a) it's USP-verified, a meaningful third-party quality certification that most pricier brands don't carry, and (b) the sublingual delivery still bypasses much of the stomach-acid absorption problem
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