how many mcg are in a monthly b12 injection Dosage and Frequency: 7 Guidelines for Adults Compounded Methylcobalamin (Vitamin B12) Injection,
Description
The symptoms experienced by the patient may include weakness, pale skin, irregular heartbeat, fatigue, shortness of breath, lightheadedness, pain in the chest, headaches, and even cold hands or feet

Control tubes were prepared as follows: each tube contained 2x10 (7 )bacteria including fully live, half live, and fully killed
Normal serum B12 levels typically range between 200900 ng/L (approximately 148664 pmol/L), though reference ranges vary between UK laboratories and testing methods

This presents with a combination of sensory ataxia, spastic weakness, and loss of vibration and position sense
