Research

Hormonal

Daily supplementation with a combination of nicotinamide riboside (NR) and pterostilbene (NRPT) at the recommended dose significantly reduces circulating levels of hepatic inflammation markers (ALT and GGT) and toxic lipids (ceramide 14:0) in adults with Non-Alcoholic Fatty Liver Disease (NAFLD) over 6 months, without reducing hepatic fat fraction.

If you have NAFLD, a specific combination of Nicotinamide Riboside and Pterostilbene (taken daily at the recommended dose) may help lower liver inflammation markers (ALT, GGT) and toxic lipids over 6 months. However, do not expect this supplement to reduce the actual amount of fat in your liver, as the study showed no improvement in hepatic fat fraction compared to a placebo.

GoodQualifiesHIGH confidence
Among prespecified secondary outcomes, a time-dependent decrease in the circulating levels of the liver enzymes alanine aminotransferase (ALT) and gamma-glutamyltransferase (GGT) was observed in the NRPT 1× group, and this decrease was significant with respect to placebo. Furthermore, a significant decrease in the circulating levels of the toxic lipid ceramide 14:0 was also observed in the NRPT 1× group versus placebo...
Ryan W. Dellinger et al. · Hepatology · 2022

Why this rating

Double-blind, placebo-controlled randomized clinical trial (RCT) with 111 participants, though the primary endpoint was missed.

Source

Nicotinamide riboside and pterostilbene reduces markers of hepatic inflammation in NAFLD: A double‐blind, placebo‐controlled clinical trial

Ryan W. Dellinger et al. · Hepatology · 2022

DOI 10.1002/hep.32778

rct · n=111Cited 48×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →