I have been using my Revitive machine for years now. It has really helped leg and foot cramps. I think the secret to using this successfully is making sure that you are well hydrated and start off low. I never go over 3. When I do I get unbelievable leg cramps. I don't always feel the tingling but it still works on my legs. Gradually boost the level if you need to.
I also use the tens and keep them low as well. Around 5 or 6. I think a lot of these users problems are just not reading the manual carefully. It's too bad this product has received negative reviews for customer service. This isn't a new product anymore and there is plenty of competition eg. - one site lists Dr. Ho's blood circulation machine for $200.00 and excellent reviews.
Bottom Line: Yes, I would recommend this to a friend
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