They act as biological messengers in the body, helping regulate vital processes like hormone release, inflammation, growth, metabolism, and cellular repair
Accessed January 2026
It lets nutrients pass through, while keeping most microbes and toxins on the inside
Its common to have slight pain, tenderness, swelling, or redness at the injection site
Which Stretch Marks Respond Best to Treatment
[91] Since only bacteria and some archea possess the genes and enzymes necessary to synthesize vitamin B 12 , plant and algae sources all obtain the vitamin secondarily from symbiosis with various species of bacteria, [5] or in the case of fermented plant foods, from bacterial fermentation