A Doctor Explains Why This Supplement Is His ‘Secret Weapon’ For Youthful Skin After 40

According to Health, NAD is a substance that aids cellular functions within your body. As you grow older, the levels of NAD decline naturally.

Supplementing NAD has shown promise as a possible remedy for age-associated issues, potentially improving metabolism, mental clarity, and skin vitality. Barrett referred to this a "secret weapon" as well as NMN.  

As Health also reported, NAD is a naturally occurring compound in the body that can be boosted through healthy habits like consistent physical activity and sufficient rest. It is also present in foods such as turkey, cabbage, cucumber, and soybeans.

Additionally, NAD is available as a supplement in various forms, including capsules, powders, liquids, and intravenous (IV) treatments

Nicotinamide mononucleotide (NMN) is a "precursor" for NAD+ biosynthesis, the expert explained.

In addition, he added that a "free way to reduce wrinkles" is to "stay out of the sun" and to "stop smoking." He also said he would "cut out sugar" from his diet to "help" his skin. The more you know!