A comparison of the effects of igf-i and insulin on glucose metabolism, fat metabolism and the cardiovascular system in normal human volunteers
This does not make it the most effective, which remains debated, but it does make it among the best characterized for safety
What dose of vitamin B12 is used to treat deficiency
Alternatively, 2 mL gives 2.5 mg/mL, making a 2.5 mg dose equal to 1 mL, the full syringe
However, some rare side effects of too much vitamin B12 can include: Headache Weakness Nausea Diarrhea Tingling sensations in the hands and feet Allergic reactions or skin rash (uncommon) When To Seek Medical Advice Risk of vitamin B12 deficiency: Groups at a higher risk of vitamin B12 deficiency include older adults, people who only eat plant-based foods (vegans and vegetarians), and those with certain chronic conditions (gastrointestinal disorders that can affect vitamin absorption)
In the first few paragraphs well address immediate reactions, less common systemic responses and what long-term use might mean