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Recommended Dosage Take 1 capsule once daily, on an empty stomach, or as directed by your healthcare provider
Seidell JC, Visscher TL
Vitamin B12 is available as tablets, sublingual forms, nasal products, and injections, and these are not directly interchangeable without medical advice
Studies testing doses up to 1 mg daily found no additional benefits above this threshold
After 24 hours, bacterial growth risk rises sharply even in the fridge
Since they work through different mechanisms, there is no direct competition or interference between the two
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