ghk-cu overuse irritation side effects GHK-Cu: Skin Healing, Anti-Aging, & Hair Growth Benefits I have had difficulty sleeping

Helps Improve Sleep Are you having problems sleeping

The recommended B12 dosage is as follows: Men over 14 years of age should consume 2.4 mcg daily Women over 14 years of age should also consume 2.4 mcg daily Pregnant Women should consume 2.6 mcg daily Lactating Women should consume 2.8 mcg daily Be sure to discuss your interest in B12 with a medical professional prior to beginning any supplementation

Avoid aspirin unless advised by your clinician because it can increase bleeding risk

They address different things

Animal toxicology studies found no acute toxicity, organ damage, or reproductive toxicity across multiple routes and doses, but these studies lasted only up to 6 weeks

Normal saline presents specific problems for GHK-Cu due to the salt's interference with copper chelation