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B12 is a water-soluble vitamin involved in several normal body processes, including red blood cell formation, nerve function, and energy metabolism

So, B12 injections can last for one month with slow release into the blood. In contrast, an IV (intravenous) infusion gives you the dose immediately so that you get the benefits immediately, and the effects are shorter lived

Finally, anyone not under medical supervision should not combine multiple injectable compounds

Some products make your skin worse before the get better like retinol, which can make your skin dry before it gets better

In the first test (the Ames test), they exposed bacteria to AOD9604 to see if it caused mutations

However, doses higher that 1ml should not be administered via the upper arm