Body skin can become smoother and healthier with regular care The Ultimate Guide to the Skin Cell Cycle: How to Naturally Accelerate the Process No Next Article These articles are reviewed and written by Foxtale's content and skincare research team
So it easy to be absorbed by skin through cell membrane and directly acting on skin
And to go a step further I suggest you look at the form of B12 you are consuming

Here's what each of those amino acids does: TRYPTOPHAN - Encourages the release of vital neurotransmitters and hormones for mood and sleep, such as serotonin and melatonin.* LYSINE - If deficient, may result in a niacin deficiency (Vitamin B), as well as slow connective tissue repair.* METHIONINE - Supplies sulfur and the other compounds you need for optimum metabolism and growth.*VALINE - Needed for your muscle fibers to fire, for tissue repair, and for the maintenance of proper nitrogen balance in the body.*LEUCINE - Stimulates muscle protein synthesis and may be the dominant fuel involved in anabolic (tissue building) reactions.* ISOLEUCINE - Essential for blood sugar regulation, muscle development and repair, and energy regulation.* THREONINE - Crucial for antibody production, immune system activity, and can be converted into glycine and serine.* PHENYLALANINE - Stimulates the release of neurotransmitters and hormones, which are necessary substances for optimum activity of your central and peripheral nervous systems.* ISOLEUCINE - Essential for blood sugar regulation, muscle development and repair, and energy regulation.* THREONINE - Crucial for antibody production, immune system activity, and can be converted into glycine and serine.* PHENYLALANINE - Stimulates the release of neurotransmitters and hormones, which are necessary substances for optimum activity of your central and peripheral nervous systems.* As you can see, each of the essential amino acids have specific functions for your body
