Thats probably one of our best parts of healing, is getting the oxygen to the tissues to kind of start that chain of events for healing
There were moving and beautifully written parts of this book

The 13-step protocol: 1.Wash hands thoroughly with soap for 20 seconds 2.Wipe the rubber stopper on your peptide vial with an alcohol swab and let it air dry for 10 seconds 3.Pull the syringe plunger back to draw air equal to your dose volume 4.Insert the needle into the vial and push the air in (this prevents vacuum formation) 5.Flip the vial upside down and slowly pull the plunger to draw your dose 6.Check for air bubbles, tap the syringe gently and push bubbles out through the needle 7.Choose your injection site: abdomen (2 inches from belly button), upper outer thigh, or back of upper arm 8.Wipe the injection site with a fresh alcohol swab and let it dry completely 9.Pinch skin between thumb and forefinger to create a 1-2 inch fat fold 10.Insert the needle at a 45-degree angle into the fat layer with a quick, confident motion 11.Push the plunger slowly and steadily over 3-5 seconds 12.Remove the needle, release the skin pinch, and apply light pressure with a clean alcohol swab 13.Immediately dispose of the syringe in your sharps container, never recap or reuse needles Pain level should feel like a quick mosquito bite or minor pinch, most users rate it 1-2 out of 10

Some people absorb and store vitamins more efficiently than others, which means they might need injections less frequently
BPC-157 Supports recovery of muscles, tendons, and gut health