I'm very happy with this pulse oximeter. It's cute because it's pink, but that's not everything i love about it.

This has to be the worst product ever. I have been using Osteo Biflex since I had knee surgery in 2005 per my doctor's recommendation. It works pretty well, but I started having a few foot problems, I decided to try this because it is supposedly the best per some websites. After taking it for one week, I have had more pain than in the last 9 years AND my hair and skin started getting so dry that my hair felt like straw. I wasn't sure it was the Flexoplex, so I decided not to take it and get back on Osteo Biflex. After two weeks, I feel better, much less pain and my hair shines again and my skin isn't like a lizard. They say there is a 60 day money back guarantee, but they won't take back an unsealed bottle. So how can they offer a guarantee when you have to open the bottle to try it. It's another scam.