Natural Selection Nano Gold products are great for a pre-workout and after workout recovery. Our products are great for relaxing the mind when we get overwhelmed with life's everyday tasks. In some cases, we have seen our products assist with seizures, muscle tightness, muscle and joint pain, reduction in stress and anxiety, and lessens PTSD symptoms. We have also had cancer patients greatly benefit from our products which helped them improve their quality of life by reducing pain, loss of appetite, and nausea from chemo treatments