Thanks for bringing this to our attention, Lainie! There is no caffeine in our Tylenol Arthritis Pain Caplets so your experience is very unusual. So we can learn more about what happened and gather some details about this product, please give us a call at 1-877-895-3665. We're here to assist you Monday-Friday 9AM-7PM ET.
While Kindle Publishing accepts plain text files for conversion to html, it does not recommend adding images to a text file. This is because images are not converted to the html format. Hence, a .txt format should only be used if your book does not contain any images. Rich Text Format (.rtf)
Convert PDF and other types of documents to a variety of ebook formats, including EPUB, Kindle MOBI/AZW3, FB2. 1  Select the target conversion format, then upload up to 20 documents of supported input formats.