This is an interesting bioinformatic signal, but it is a database association, not a controlled human gene expression experiment
This ensures 100% absorption, so you can feel the benefits of improved energy and focus much sooner
GHK-Cu is generally well-tolerated, even for sensitive skin
Numbness, tingling in hands, legs and feet (as a result of nerve damage which is triggered by low oxygen levels in cells) Muscle weakness and coordination problems Mental problems such as depression, anxiety, memory loss, changes in behaviour Fertility issues and recurring early miscarriage So if you have any of the above symptoms it would be worth getting your B12 levels tested by your health practitioner as you may need supplementation or B12 injections for more severe cases
They are usually safe, but some people might have reactions