b12 injection absorption rate Injections vs Pills: Richmond's Complete Guide Vitamin B12 is absorbed through

First, check your multivitamin to make sure that the dose of vitamin B12 (cobalamin) is under 1,000 mcg (aka 1 mg)

Therefore, monitor these two, and you may want to increase your potassium intake in the first few months of injecting

Vaziri-Harami R et al

This can occur due to loss of appetite, digestive issues, and muscle weakness, which are common side effects of B12 deficiency

If you suspect you might have a B12 deficiency, we encourage you to consult with a healthcare provider

Commonly reported issues include mild gastrointestinal discomfort, particularly when starting the compound, and temporary headaches during the adjustment period