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NAD+ levels decline with age : 40-year-old adults have ~50 % of the NAD+ levels of 20-year-olds 60-year-old adults have ~25 % of younger NAD+ levels The decline is visible in all tissues , muscle, liver, brain, skin, blood The mechanism of decline is multifactorial : Increased CD38 activity , the enzyme that breaks NAD+ down
Therefore, the uncertainty resulting from some prospective studies is partially resolved, because elevated circulating homocysteine is a major independent causative risk factor for cardiovascular disease
Dose titration schedules exist for a reason: the gastrointestinal side effects that cause people to quit are largely manageable if escalation is slow and guided by a prescriber, not a comment section
GLOW is not simply a smaller KLOW, and KLOW is not automatically a better GLOW. They are different blend formulations with different component profiles
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