Aging Clinical Trial
Official title:
Slow Age: a Randomized, Controlled Clinical Trial of Interventions to Slow Aging in Humans
The proportion of older individuals is growing, and it is therefore important to investigate ways to promote healthy aging. Exercise is one of the most studied interventions and is known to have a variety of health benefits. Dietary interventions have also shown encouraging results, with intermittent fasting being a promising anti-aging intervention. Likewise, dietary supplementation with precursors that can increase the central metabolite nicotinamide dinucleotide (NAD+) has powerful effects on aging at least in model organisms. Although physical exercise is known to increase health-span, the effects of these latter dietary interventions on aging lacks evidence in humans. This is a randomized, controlled trial of interventions to slow aging in humans. Healthy older individuals will be randomized into either an aerobic exercise (EXE), time-restricted feeding (TRF), nicotinamide riboside (NR), or control group and followed for twelve weeks. Changes in biomarkers of aging will be assessed before and after the intervention. It is hypothesized that the interventions provide similar, superior benefits to these markers when compared to placebo. Primary Outcome: Interleukin-6 levels. Secondary Outcomes: CRP, TNF-α, NAD+, hematologic age, epigenetic age (DNA methylation), transcriptomic age (RNA-sequencing), functional age (handgrip strength, gait speed), body composition, vocal age, and photo age
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