Cod liver oil and joints

What 2 graded rows on cod liver oil agree on for joints, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Cod liver oil page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Cod liver oil page, with its PubMed record.

Supplement

Cod liver oil Choose another

2 rows · 183 people

Split. 1 row found an improvement and 1 found no difference.

No difference

Improved

Each block is one evidence row, sized by how many people it enrolled, with its grade inside.

From the rows

How longWhen published

The best-graded row, grade D, is a randomized trial of 97 people (2008) and found an improvement.

The row that found an improvement ran longer (9 months) than the row that found no difference (6 months).

The row that found an improvement is newer (2008) than the row that found no difference (1992).

1 improved · 1 no difference

Grade DCutting anti-inflammatory painkiller use in rheumatoid arthritis · Improved
RCT · n 97 · 2008 · Adults with rheumatoid arthritis on NSAIDs
10 g/day · 9 months
39% of the cod liver oil group versus 10% on placebo cut daily NSAID use by more than 30% (P=0.002). Disease-activity measures and side effects did not differ.
Row on the Cod liver oil page · PubMed 18362100 (opens PubMed)
Grade DJoint pain in osteoarthritis (added to NSAIDs) · No difference
RCT · n 86 · 1992 · Adults with osteoarthritis in general practice
10 mL/day · 24 weeks
No significant benefit for pain, inflammation or daily interference versus placebo.
Row on the Cod liver oil page · PubMed 1540019 (opens PubMed)