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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Refrigerate at 2 to 8 degrees Celsius, protect from light, and never freeze reconstituted solutions
Pens are shipped with ice packs to ensure proper temperature control
Serum B12 peaks 2448 hours post-injection and sustains elevated levels for approximately 34 weeks
These may include: Fatigue Brain fog Memory loss Neurological problems Heart palpitations Pale skin Muscle weakness Mood changes Appetite loss Constipation Infertility Side Effects of Vitamin B12 While the recommended daily amount of vitamin B12 for adults is 2.4 micrograms, higher doses have been found to be safe
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