A band-aid or bandage in case you want to cover the area where the injection was given
For TTC or pregnant individuals, add fetal monitoring and obstetrician consultation
However, like many peptides, GHK-Cu does not easily cross this barrier
In rarer cases, vitamin B12 can cause more serious side effects such as an irregular heartbeat or heart palpitations, hives, and anaphylaxis
Enhanced growth hormone signaling could help preserve cardiac function over time, though this remains theoretical
Similarly, the upper arms and inner thighs contain relatively thin skin that stretches easily and lacks the underlying muscle support found in other body regions