energy drinks with l carnitine Drink L-Carnitine "Strawberry", 500 ml Energy Drink with Guarana L-Carnitine

4143 Millions of years of evolution have extended GSHs role as a central reducing agent, and systems developed coupling GSH to critical cell processes including iron homeostasis, electron transport, and reducing power in the form of NADPH

PMID: 42324021 J Adv ResRational engineering of an antifreeze-based biomaterial with dual-enhanced ice-binding and delivery for high-efficiency cryopreservation

see Allen et al., 2018 for more details

Evidence from a Molecular Pharmaceutics study shows acetate counterions can become part of peptide aggregates, so the acid plays a real role in solution behavior, but at the diluted concentrations used in reconstitution it primarily serves to keep the peptide clear and in solution