I've used this product now for one year, and love it. If you have heard of the Biomat, this is the exact same technology
at 44% of the price of the Biomat!
I have the Mini Far Infrared Amethyst and Tourmaline Mat. You get free shipping in the United States.
I have found that it not only heats me up, and relieves occasional pains, but it helps me sweat (sort of a detox) and has some rather interesting healing effects on the immune system. And yes, it's OK with implants.
https://www.charmedfirmats.com/ref/arthropatient