NAD supplements, while gaining popularity for their purported anti-aging effects, lack conclusive scientific backing in human studies. Although some animal studies show promise, research hasn’t confirmed benefits like cognitive enhancement in humans. While short-term use appears safe, experts advise caution as the long-term effects remain unknown. NAD supplements, while gaining popularity for their purported anti-aging effects, lack conclusive scientific backing in human studies. Although some animal studies show promise, research hasn’t confirmed benefits like cognitive enhancement in humans. While short-term use appears safe, experts advise caution as the long-term effects remain unknown. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle