l-arginine and l-carnitine together & NHS, Arnitine, L-Carnitine + L-Arginine,

They modulate sperm membrane fluidity, remove surface coatings, and alter membrane permeability, thereby improving the ability of sperm to penetrate the cumulus cell layer

Angeli JPF, Krysko DV, Conrad M

5-MTHF: 5-Methyltetrahydrofolate

It is also only one piece of a much larger aging network that includes genomic instability, mitochondrial dysfunction, chronic inflammation, epigenetic changes, altered nutrient sensing, and cellular senescence

Treatment with a spore-based probiotic containing five strains of Bacillus induced changes in the metabolic activity and community composition of the gut microbiota in a SHIME model of the human gastrointestinal system