Preclinical trials demonstrated that dietary restriction ameliorated PND through the modulation of gut microbiota, suppression of inflammatory responses in hippocampal microglia, and facilitation of neuronal repair and regeneration (Ren et al., 2024)
The mechanism underlying carnitine's anti-aging effects involves multiple pathways: restoration of mitochondrial cardiolipin content and membrane integrity, enhancement of fatty acid oxidation to reduce lipotoxic stress, reduction of protein oxidation and carbonyl formation, improvement of calcium homeostasis and cellular signaling, and activation of stress resistance pathways that promote cellular resilience
Since the vitamin K 2 form is synthesized by intestinal bacteria, deficiency of the vitamin in adults is rare
NSL literature pointer PMID 7230522 L-Carnitine laboratory index [PMID: 7230522] National Science Labs indexing note for PMID 7230522: review the PubMed methods, models, and limitations before citing
Some individuals may have difficulty absorbing B12 from food sources, making injections an effective alternative