Gamma-oryzanol and cholesterol

What 2 graded rows on gamma-oryzanol agree on for cholesterol, and where they differ. Counted side by side, never averaged.

Consensus finder Rows from the Gamma-oryzanol page, reviewed Oct 21, 2026 How it decides

What the rows agree on

Each block and row is one graded row from the Gamma-oryzanol page, with its PubMed record.

Supplement

Gamma-oryzanol Choose another

2 rows · 89 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

Who was studiedWhen published

The best-graded row, grade D, is a randomized trial of 59 people (2019) and found an improvement.

Only the row that found no difference names men in its population.

The row that found an improvement is newer (2019) than the row that found no difference (2005).

1 improved · 1 no difference

Grade DLDL cholesterol in high blood lipids · Improved
RCT · n 59 · 2019 · Thai adults with high blood lipids
30 mL/day of the assigned oil, used in three cooked meals · 4 weeks
LDL fell 8%, 11.8% and 12.2% with the three rice bran oils vs 0.8% with soybean oil (p = 0.012); antioxidant capacity (ORAC, FRAP) rose.
Row on the Gamma-oryzanol page · PubMed 30265563 (opens PubMed)
Grade DAdded cholesterol effect of more oryzanol in rice bran oil · No difference
RCT · n 30 · 2005 · Mildly hypercholesterolaemic men aged 38 to 64
50 g/day rice bran oil · 4 weeks
Both oils lowered total cholesterol 6.3%, LDL 10.5% and the LDL/HDL ratio 18.9%; the high-oryzanol oil was no better than the low-oryzanol oil on any cholesterol measure.
Row on the Gamma-oryzanol page · PubMed 15309429 (opens PubMed)