As NAD+ levels naturally decline with age, stress, and lack of sleep, people may notice brain fog, fatigue, or difficulty concentrating
In a very practical sense, B12 and other water-soluble vitamins are the safest and easiest nutrients to supplement because your body takes what it needs and gets rid of what it doesnt
You may begin to feel effects within 5-10 minutes
The profound fatigue, the unpredictable heart rate, and the cognitive fog are very real, physiological symptoms rooted in complex biochemical disruptions
According to vegan dietitian Jack Norris, you may want to chew vitamin B12 supplement rather than swallowing it whole, and try to avoid cooking all of your B12-rich foods