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"Not FDA-approved" just means the FDA hasn't reviewed or signed off on its safety, efficacy, dosing, or manufacturing for people
This is why the two-hour fasting window before injection is non-negotiable
Nasal Sprays : Nasal B12 sprays have been shown to effectively raise B12 levels and offer a convenient, needle-free alternative for individuals who prefer non-injection options or have difficulty with traditional supplementation[23]
Batch HPLC COA included
US$ 28.00
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