Claim: A new tattoo ink changes color depending on a person's glucose levels, meaning people with diabetes can use it to check their blood sugar levels.
Fact-check: FACT CHECK: Does a New Tattoo Ink Allow People With Diabetes to Monitor Their Blood Sugar Levels?
Verdict: mostly true
Organisation: Snopes
Author: Dan Macguill
Date published: 2017-06-28T14:23:38