Ingredient framework; direct source links are available in the studies library when published.
How it works
Maintain -- carnosic acid is a potent free-radical scavenger and lipid-peroxidation inhibitor in cell and animal models
Adapt -- activates Nrf2-mediated expression of the cell's own antioxidant enzymes under oxidative load
Process -- in vitro and animal neuroprotection research exists; no dose-matched human cognition trial located for this ageLOC Youth inclusion
Exchange -- carnosic acid is unusually reactive to oxidation itself once extracted (it self-converts to related quinone compounds on air/light exposure), so how an extract is processed and stabilized affects how much intact carnosic acid a finished capsule actually delivers
Maintain -- separately used at higher concentrations as a natural food-preservative antioxidant (delaying rancidity in fats and oils), the same radical-scavenging chemistry repurposed from food science into this supplement context
Form matters
The same nutrient can be made in very different forms -- and a study done on one form does not automatically apply to another. Methylcobalamin is not cyanocobalamin; magnesium glycinate is not magnesium oxide; a whole-food extract is not the synthetic isolate that was studied. Two things decide whether what is in the bottle behaves like the research: the exact form, and independent lab verification (a Certificate of Analysis) that the form and dose on the label are truly what is inside. Without a COA, you are trusting a label, not the science.
The science on Rosemary extract (carnosic acid)
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