acetyl l carnitine bulletproof ProCaps Laboratories Acetyl L. Carnitine Supplement |

They should be closely monitored for side effects that include gastrointestinal distress or nausea

Unopened product has a shelf life of 2 years from the manufactured date and should be kept in a cool, dry place away from sunlight

Science 257 , 14961502 (1992)

On the flip side, a small study of professional athletes found that those who received 3 to 4 grams of L-carnitine immediately before a workout had better endurance

However, its clinical utility is limited by safety concerns linked to prolonged benzodiazepine exposurespanning cognitive effects, falls and fractures, physiologic dependence, pneumonia, and respiratory complicationswith particularly heightened vulnerability in older adults and those with sleep-disordered breathing, and with long-term use associated with increased all-cause mortality 27,28,29,30,31