Gastrointestinal Symptoms: Common side effects include nausea, vomiting, diarrhea, and abdominal discomfort
Months 4 to 6: Steady Progress Dose climbs to 1.7 milligrams at week 13, then 2.4 milligrams at week 17
Vitamin B12 (also known as cobalamin) is a water-soluble vitamin that plays a key role in: Normal red blood cell formation Normal energy-yielding metabolism Function of the nervous system Reduction of tiredness and fatigue DNA synthesis Normal psychological function In the UK, these are recognised health claims for vitamin B12 under authorised nutrition and health regulations
[1] Additionally, the product should be stored out of reach of children
Its primarily found in the modern diet in animal products, so vegans and vegetarians need to supplement with B 12 regularly
The 28-day window is covered in detail in the multi-dose vial safety guide and the shelf life guide