Viewing 1 post (of 1 total) Reply • New topic We have not checked the qualifications of anyone posting here. If you are have any health related symptoms or concerns, you should contact your doctor who will be able to give you advice specific to your situation. posted by VK on 13 Nov 2018 at 22:14 Hi all. I’ve bee on the low carb diet for around 4 weeks now, it’s going well… I checked my urine using and the ketone part of the strip turned dark grey… Is this normal? Reply • New topic Viewing 1 post (of 1 total) Please log in or register to post a reply.