ghk-cu effects on sleep GHK -copper works not in 2 weeks but 2-3 months of consistency along with proper nutrition and . I can see a good change in my How GHK-Cu Tightens Loose Skin:

One key group includes individuals with pernicious anemia, an autoimmune condition that affects the bodys ability to absorb vitamin B12 from food

However, these are not an adequate medical treatment on their own and they are not a substitute for medical advice

Although vitamin B12 injections can increase energy and improve quality of life for individuals with a deficiency, patients whose vitamin B12 levels are normal will not have improved health from this treatment.

However, an imbalance in metal ions, whether excessive or insufficient, is detrimental and can contribute to neuronal death through oxidative stress, ferroptosis, cuproptosis, cell senescence, or neuroinflammation

I had this extreme tiredness when I first started B12 injections