Potential side effects Possible side effects of supplementary l-carnitine include, but are not limited to: Gut disturbance: l-carnitine does not have an established upper intake level, although doses above 3g per day may cause nausea, vomiting, abdominal cramps and diarrhoea Coronary artery disease: some research suggests l-carnitine may be linked to an increased risk of coronary artery disease and heart failure, especially in men and those who eat meat
Simon A, Wegrowski Y, Bontemps Y, et al
Primary and secondary carnitine deficiency syndromes
Evidence suggests it can be a helpful adjunct to muscle building protocols, and as a result, potentially reduce the risk for various age-related health issues.
Low-irritation milky texture
However, given the similar clinical efficacy and safety profiles amongst the available agents within the DPP-4 class of medications, the published head-to-head trials reviewed in this manuscript represent a good comparison of the two classes of medications (26, 35)
