Pay in 4 interest-free payments of $6.96 Learn more
Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
Unknown long-term profile: Human safety data is limited, so caution and monitoring are advised
Enter your vial size, desired water volume, and target dose the calculator shows the resulting concentration and exact syringe units with a visual syringe diagram
Choose the best multivitamin based on age & gender
Are syringes sold with needles or without needles
If you are already supplementing B12 through other channels, or if you have conditions that affect B12 metabolism, mention this to your provider before starting
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