The additional supply of carnitine provides the muscle cells with another highly potent source of energy, especially in the finish
Minimal side effects have been reported, and may include nausea, abdominal cramps, and diarrhea[6] L-carnitine may increase the effects of blood thinners like Coumadin (warfarin) and Sintrom (acenocoumarol), causing excessive bruising or bleeding
A notable double-blind RCT in 262 elderly subjects found that NAC (600 mg twice daily) for 6 months significantly reduced influenza-like episodes only 25% of NAC-treated subjects who seroconverted to influenza A developed clinical symptoms, compared to 79% of placebo subjects (De Flora et al., Eur Respir J, 1997) [40]
J Med Chem 58(18):73707380 Agerso H et al (2002) The pharmacokinetics, pharmacodynamics, safety and tolerability of NN2211, a new long-acting GLP-1 derivative, in healthy men
Front Endocrinol (Lausanne) (2018) 9:10