I will just say that in my experience with working also with practitioners, there's still a lot of confusion around what actually constitute a flat line

Ingredients: Water, PG, glycerin, phenoxyethanol, xanthan gum, sodium citrate, sodium PCA, EDTA-2Na, citric acid, dilauramide, glutamide, sodium lysine, niacinamide, BG, stem cell culture fluid extract, (citric acid / lactic acid / linoleic acid / oleic acid) glyceryl, olive oil, hydroxypropyltrimonium hyaluronate, caprylyl glycol, 1,2-hexanediol, polysorbate 60, tropolone, hydrogenated lecithin, ethanol, oligopeptide-68, cholesterol, soybean oil, sodium cocoyl sarcosine, sodium oleate, glutathione, mesenchymal cell exosomes, recombinant oligopeptide-1, nicotinamide mononucleotide, DNA-Na, triethylhexanoin, diphenyl dimethicone, sorbitol, polyglyceryl-10 myristate, propanediol, colloidal gold, ascorbic acid Volume: 55 ml Manufacturer: KOR JAPAN Country of origin: Japan THE STEM CELL PDRN & Glutathione Pure Essence is a new serum in the line with stem cells THE STEM CELL from KOR JAPAN
10.1073/pnas.2117113119 119
Gut Microbes , 15(1), p.2204567