Ketosis Meter - High-Accurate Breath Ketone Analyzer & Portable Ketosis Breath Tester, 10 Reusable Mouthpieces for Reliable Ketosis Tracking White is up for auction in Health & Household. The current bid is $7.00, 86% below the $50.00 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.