This product has been a game changer for me. An 8-year journey with fatigue my sole quest was to find a source of energy to make it through the day. I have now found that beautiful treasure in these gummies. My family noticed an immediate difference within days. I can feel the difference if I miss a few days. Wow. Only change I would suggest is that these are way too sweet for me and my wife. Overall, these are a great bang for the buck!