With more water in the vial, this "dead volume" loss represents a smaller percentage of total peptide
Despite these protective mechanisms, elevated serum B12 levels (hypercobalaminaemia) can occur and may indicate underlying health conditions rather than simple overconsumption
That gives 5 mg/mL, so 1 mg is 20 units on a U-100 syringe, 2.5 mg is 50 units and 3.3 mg is 66 units
Tenderness or slight swelling may persist for a day or two, particularly when using larger volumes
The genuine unknown is long-term effects in humans
Vitamin B12 deficiency is more prevalent than many people realise: Around 6% of the UK population has B12 deficiency This rises to approximately 20% in those over 60 An estimated 1 in 10 people in the UK may have inadequate B12 levels 6% of men and 10% of women aged 19-64 have low serum B12 concentrations Among women of reproductive age (19-49), 11% have low B12 Interestingly, research suggests that deficiency is often due to absorption problems rather than dietary intake