A new study suggests vitamin D might earn that title. Researchers found that vitamin D regulates a suite of genes linked to inflammation, oxidative stress, and cellular aging—three major drivers of chronic disease and biological decline. In both human and animal models, higher vitamin D levels were associated with reduced epigenetic aging markers and greater expression of protective genes that keep tissues youthful and resilient. Of course, correlation doesn't mean causation, and more studies are needed to confirm these effects over time. But the mechanisms make sense: vitamin D is involved in everything from mitochondrial function to immune modulation. Given that most people have suboptimal levels, maintaining adequate vitamin D could be a low-risk, high-reward way to support healthy aging—especially when paired with other lifestyle interventions like sleep, movement, and a nutrient-dense diet.

These herbs are wonderful to increase blood flow and therefore oxygen in the brain. Consequently, your brain cells work better! Bacopa Monnieri (Brahmi): Traditionally used in Ayurvedic medicine, it's valued for its potential to improve memory, mental clarity, and attention span. Ginkgo Biloba: Known for its potential to increase blood flow to the brain, which is thought to support memory, mental clarity, and sustained concentration. Ginseng (e.g., Asian/Panax Ginseng): An adaptogen that may help reduce mental fatigue and improve cognitive performance, including memory, concentration, and attention span. Ashwagandha: Another adaptogenic herb, it is primarily used to help the body manage stress and anxiety, which can lead to a calmer and more focused state of mind, improving mental endurance. Rhodiola Rosea: As an adaptogen, it is known for helping to reduce fatigue and improve cognitive performance, especially under stress, thereby enhancing focus.