l-carnitine molecule | Linus Pauling Institute Acetyl-L-Carnitine: Uses, Side Effects, Interactions,
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doi:10.1159/000539309

doi: 10.1016/s0006-2952(01)00775-4 333 ZhaoMLiJLiuJXuMJiHWuSet al

Physical exercise-induced fatigue: the role of serotonergic and dopaminergic systems

doi: 10.1161/strokeaha.107.500736 49

Possible side effects of TUDCA supplement might include mild stomach upset or nausea, especially if taken in high doses or on an empty stomach or when a low-quality supplement is used
