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To check for B12 deficiency, doctors measure serum or plasma B12 levels
20 Individual Serving Packets (5ml each) Suggested Adult Use: As a dietary supplement, open packet and gently squeeze contents under your tongue or gently squeeze the tube to fill 1 teaspoon (5 mL) , hold under tongue for 30-60 seconds, and then swallow, or use as directed by your health care professional
Those products skip the purity, potency, and sterility testing real medicine requires, and the contents vary batch to batch
Seek immediate medical attention if you experience: marked hyperglycemia (persistent glucose 300 mg/dL), dehydration, confusion, vomiting, unexplained weight loss, excessive urination, extreme thirst, or signs of diabetic ketoacidosis (abdominal pain, rapid breathing, fruity breath odor)
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