why is l carnitine bad for you Carnitine: the claims and it may not work Potential Adverse Effects of L-Carnitine

Gastrointestinal Toxicities Gastrointestinal toxicities are the second most common irAEs observed with ICI therapy, and they range from mild diarrhea to severe colitis and intestinal perforation, which can lead to death (Cramer & Bresalier, 2017

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But are they effective, or even safe

Beyond energy production, NAD+ is also crucial for supporting DNA repair[1][2], regulating inflammation[2] and maintaining mitochondrial function[2]