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NAD Plus prompts scrutiny over ageing claims

Celebrities' NAD Plus use sparks questions about ageing claims and evidence

August 14, 2025 at 11:17 AM
blur The £2 'fat blasting' supplement Jennifer Aniston and Hailey Bieber swear by that 'boosts metabolism and delays ageing'

Editorial analysis of the celebrity driven NAD Plus trend and what science actually shows.

NAD Plus supplements prompt scrutiny of ageing claims

Celebrities Jennifer Aniston and Hailey Bieber have been linked to NAD Plus use, with reports that it costs about £2 a day and may influence metabolism, skin, and heart health. Scientists say NAD Plus is involved in many cellular processes, but solid human evidence for broad anti ageing effects is still limited. Research shows NAD Plus levels decline with age and that precursors like NMN and NR can raise those levels in some studies, yet robust trials are few and often small. Experts caution against treating supplements as proven cures and note that sleep, diet and exercise remain central to aging health.

Key Takeaways

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NAD plus declines with age and may be restored by precursors
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NMN and NR are common NAD Plus precursors used in studies
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Human evidence for broad anti ageing effects is limited
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Celebrity endorsements can shape public perception quickly
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The £2 daily cost raises questions about access and marketing
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Robust, large trials are still needed to prove benefits
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Lifestyle factors remain essential for metabolism and sleep quality

"I’m going to NAD for the rest of my life, and I’m never going to age"

Hailey Bieber’s claim during filming for The Kardashians

"NAD+ is a coenzyme supporting many body processes"

Dr Carrie Ruxton explains NAD+’s role

"You can’t actually get NAD+ directly from food"

Emily Foster on NAD+ precursors in diet

"Boosting NAD+ could reverse cell ageing in lab studies"

Dr Ruxton on early research

The NAD Plus trend shows how celebrity stories can accelerate interest in a complex science. Early lab findings and small studies can be misread as guarantees, especially when social media amplifies testimonials. Regulators and researchers face pressure to clarify what is proven and what is still exploratory. The risk is that people spend money on a supplement instead of evidence grounded care.

Highlights

  • NAD plus is a promising lead not a proven cure
  • A pill cannot rewrite years of ageing in one dose
  • The science is young hype should be older
  • Celebrity stories can distort scientific nuance

Financial and health claims risk around NAD Plus supplements

The piece links a daily £2 supplement to potential health benefits based on early science. Consumers may misinterpret results or overestimate impact. The article notes evidence is preliminary and highlights the risk of marketing claims that exceed what science supports.

Science will tell the real story not tabloids.

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