the product information notes that refrigeration can cause a color change (darker yellow) which does not affect safety or effectiveness
In addition, if you're one of the millions of Americans taking proton pump inhibitors (PPIs) that suppress stomach acid for conditions like acid reflux, you're going to be prone to vitamin B12 deficiency
Cautious use of parenteral cyanocobalamin is also recommended in patients with renal impairment, including premature neonates, because of the possibility of greater aluminum accumulation, which may cause central nervous system and bone toxicity
Other known interactions include barbiturates, fosphenytoin (Cerebyx, Sesquient), phenytoin (Dilantin, Phenytek), and Levodopa
It arrived on time and at a very reasonable price
Practitioner-reported injectable protocols commonly recommend subcutaneous doses of 250-500 mcg daily in a fasted state, whereas published human studies have evaluated oral doses between 1 and 5 mg daily