Adenosylcobalamin also exists naturally, is required for energy metabolism, but is less commonly used in vitamin B12 supplements
SS-31 goes further it crosses the cell membrane, crosses the mitochondrial outer membrane, and binds directly to cardiolipin on the inner mitochondrial membrane
Three interconnected pathways function as core suppressors of ferroptosis: (1) the GPX4-GSH system (central suppressor), (2) the SLC7A11-cystine import pathway (GSH synthesis), and (3) the AIF family member 2 (AIFM2, also known as FSP1)-NAD(P)Hquinone pathway (parallel protection) 84-87
Structural Enhancements: N-acetylated and C-terminal amidated for improved stability and extended activity
The appetite-suppressing benefits become more pronounced during this window, which is when many people notice their actual weight loss beginning
However, during fasting, NHR-49 and other key regulators of lipolysis and -oxidation appear dispensable for lifespan extension