I also felt very tired and bloated when I first started taking the product. I have been using Oxypowder for over 2 years. I don't go anywhere without my Oxypowder .This summer I went on vacation to Ireland and took my Oxypowder with me. I feel great and I recommend this product to everyone I know. The product is safe and effective that you can take it indefinitely if you want to. You can take it every other day which is what I do and you can do a seven day cleanse a couple times of year. Please remember that every person that takes the Oxy-Powder will have a different