Graying hair is caused by a combination of age, genetics, oxidative damage, emotional stress levels, smoking, and certain nutrient deficiencies. Recent research using human hair samples has found that graying hair is a reversible process. 

Brown adipose tissue is a healthier type of body fat that burns calories, increases energy expenditure, and improves glucose metabolism. Brown fat activity is also linked to increased satiety after meals and reduced inflammation.

DNA damage accelerates aging and chronic disease development. In mice, supplemental NMN boosted NAD+ levels, allowing for the DNA repair protein PARP1 to be fully functioning and reduce this damage, which may improve health and increase lifespan.

Adaptogens, like ashwagandha, ginseng, and holy basil, are plants or herbs that help the body resist stressors, promote calmness, and support brain health and metabolic markers.