If you're looking for piercing needles, you'll likely need 20G or 18G
For researchers prioritizing maximum bioavailability and established protocol reliability, subcutaneous injection likely remains the preferred method
Once thawed: Centrifuge briefly (30 seconds at 10,000 rpm) to collect any condensation from the tube walls Prepare fresh dilutions in the desired experimental buffer (PBS, cell culture media, etc.) Maintain on ice during experiment setup Use within 24 hours of dilution
Several autoimmune diseases can make it harder for your body to absorb B12, including pernicious anemia
High levels of B12, or hypercobalaminemia, can be a sign of tissue breakdown, which releases B12 back into the bloodstream
Who may need a vitamin B12 injection