Gamma Oryzanol

Gamma Oryzanol (γ-Oryzanol), a mixture of compounds found notably in rice bran oil, is a promising but unproven cholesterol-lowering agent with some skin health properties. It does not increase testosterone.

Quick Answer

What it is

Gamma Oryzanol (γ-Oryzanol), a mixture of compounds found notably in rice bran oil, is a promising but unproven cholesterol-lowering agent with some skin health properties. It does not increase testosterone.

Key findings

  • Grade D: High-density lipoprotein (HDL) (High Cholesterol)
  • Grade D: Low-density lipoprotein (LDL) (High Cholesterol)
  • Grade D: Cortisol

Safety

No specific caution or interaction language was detected in the current summary/outcome notes.

ℹ️ Quick Facts: Gamma Oryzanol

Quick Facts: Gamma Oryzanol

  • Best Evidence:Grade D
  • Conditions Studied:3
  • Research Outcomes:33
  • Key Effect:High Cholesterol
Outcomes by grade:
A0
B0
C0
D5
3 conditions · 33 outcomes

Detailed Outcomes

|
D
High-density lipoprotein (HDL)
No effect
none
D
Low-density lipoprotein (LDL)
No effect
1 study
none
?
Total cholesterol
1 study
Improves
D
Cortisol
No effect
1 study
none
?
Estrogen
1 study
Worsens
?
Growth Hormone
1 study
Improves
?
High-density lipoprotein (HDL)
Improves
?
Insulin
1 study
Worsens
?
Plasma Endorphins
1 study
Improves
?
Power Output
Improves
?
Testosterone
1 study
Improves
?
Total cholesterol
1 study
Improves
?
Triglycerides
1 study
Improves
D
Cortisol
No effect
1 study
none
?
Estrogen
1 study
Worsens
?
Growth Hormone
1 study
Improves
?
High-density lipoprotein (HDL)
Improves
?
Insulin
1 study
Worsens
?
Plasma Endorphins
1 study
Improves
?
Power Output
Improves
?
Testosterone
1 study
Improves
?
Total cholesterol
1 study
Improves
?
Triglycerides
1 study
Improves
D
Cortisol
No effect
1 study
none
?
Estrogen
1 study
Worsens
?
Growth Hormone
1 study
Improves
?
High-density lipoprotein (HDL)
Improves
?
Insulin
1 study
Worsens
?
Plasma Endorphins
1 study
Improves
?
Power Output
Improves
?
Testosterone
1 study
Improves
?
Total cholesterol
1 study
Worsens
?
Triglycerides
1 study
Worsens

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