Nick NorwitzMD PhD, Oxford-Harvard | Metabolic Health Educator | “Stay Curious”

Garlic Has No Business Being This Interesting!

2 Jul 2026 · 2 min

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1:37

In this informal yet data‑driven explainer, the presenter highlights recent research on a compound isolated from aged garlic called S1PC. A human controlled trial administering 25 mg of S1PC showed a rise in the enzyme NAMPT, which is released from adipocytes in extracellular vesicle‑like particles that travel to the brain. Once there, NAMPT boosts the cellular energy cofactor NAD+, a molecule tightly linked to neuronal metabolism, brain aging, and Alzheimer’s disease. The presenter connects this biochemical cascade to downstream physiological effects: animal studies demonstrate that the same garlic‑derived compound improves muscle power and reduces frailty in older rodents, suggesting a brain‑muscle communication axis. The video concludes with a practical takeaway that garlic, via S1PC, may have unexpected anti‑aging potential, while humorously warning “vampires” about possible lethal side effects.

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Researchers have identified a compound in aged garlic linked to longevity, and as far-fetched as that might sound, the science is surprisingly clear. Okay, here's how it works. The compound is called S1PC, and researchers found when they gave this S1PC from aged garlic to humans in a controlled trial, it increased levels of a protein called— brace for it— NAMPT. I know that's a lot of word salad, but basically what's happening is that this S1PC from aged garlic causes your fat cells spit out little particles containing this NAMPT enzyme into the blood. Those particles then travel to the brain and increase levels of an energy molecule called NAD+. NAD+ is essential for life and energy metabolism, especially in the brain, with links to brain aging and Alzheimer's disease. But it gets weirder, because a downstream effect of all of this, kind of like a biological domino chain, is that the brain that then influences muscle function. So in animals, when you give this compound from aged garlic, it enhances muscle power and reduces frailty in old age. Now, for the practicals. In the human-controlled trial in this study, researchers used 25mg of this S-1-PC from aged garlic extract. I go into much more detail in the dedicated deep dive link below, but my main takeaway is honestly this: garlic has absolutely no business being this cool. Also, caveat, A medical contraindication to this product includes being a vampire, in which case please consult a healthcare provider before supplementing with aged garlic extract. Side effects might include death.