This is to ensure that you dont experience any unusual reaction from your injections so you can leave the office with confidence
Additional information Journal peer review information: Nature Communications thanks the anonymous reviewers for their contribution to the peer review of this work
Unlike oral supplements, L Carnitine injections bypass digestion and go straight into the bloodstream, offering quicker, more efficient effects
Hydration and regular meals are a good starting point If you are eating smaller meals, you may also be getting less fluid and sodium from food
Updated September 15, 2025
Funding Funding for this research was provided by the NNF Center for Basic Metabolic Research, University of Copenhagen (NNF application number: 13,563