does injectable vitamin b12 need to be refrigerated Rx Injection 3000mcg/ml x 100ml for Horses, Dogs, Cats and Livestock — Jeffers Compounded Cyanocobalamin (Vitamin B12) Injection

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Importance of Vitamin B12 Vitamin B12 is essential for the body to function properly since it helps with processes like red blood cell production, DNA synthesis, short-term memory, and more

while serum values of B12 seem to rise, none of the B12 is available for the body to use

The recommended daily amount (RDA) varies, depending on age and other factors, but while the recommended dose for an adult is 2.4 mcg (micrograms), B12 vitamin pills are also sold in doses of 5 to 25 mcg, and even 500 mcg to 1,000 mcg or more

Side effects of B12 deficiency can include decreased cognitive function, fatigue, lethargy, feeling faint, depression or irritability, headache, balance issues and more