OA (Oleic Acid)
Fatty Acid
Also known as: Oleic acid, OA, Omega-9, C18:1
B
Grade B💊 15-25 g daily from diet🎯 4 primary uses🔗 2 synergies⚠️ Review warnings
Overview
A monounsaturated omega-9 fatty acid abundant in olive oil. Primary fat of the Mediterranean diet, supporting cardiovascular health and reducing inflammation.
Primary Uses
Cardiovascular healthCholesterol supportAnti-inflammatoryBrain health
Dosage
Typical range
15-25 g daily from diet
Timing
With meals
With food
As part of meals
Duration
Ongoing dietary component
Special Populations
Beneficial for cardiovascular risk
Mechanism of Action
- • Replaces saturated fat in cell membranes
- • Reduces LDL cholesterol oxidation
- • Improves HDL:LDL ratio
- • Modulates inflammatory gene expression
- • Supports brain myelin
Evidence Quality
Evidence Grade B
Strong observational evidence from Mediterranean diet research
Safety & Contraindications
Serious Warnings
- • None
Contraindications
- • None
Common Side Effects
- • None at dietary levels
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • None significant
🧪 Supplements
- • Enhances fat-soluble vitamin absorption
🍽️ Food & Alcohol
- • No interactions
Stacking & Synergies
Pairs Well With
Omega-3sFat-soluble vitamins
Avoid Combining With
None
Best Goal Synergies
Heart healthMediterranean diet
Buying Guide
What to Look For
- • Extra virgin olive oil
- • High-oleic designation
Standardization Markers
Oleic acid content
Adulteration risk
Low for quality oils
Practical Notes
- • Primary fat in Mediterranean diet
- • Extra virgin olive oil is gold standard
Tags
fatty acidomega-9MUFAheart healthMediterranean
Frequently Asked About OA (Oleic Acid)
How much OA (Oleic Acid) should I take?
The typical effective range is 15-25 g daily from diet. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take OA (Oleic Acid)?
With meals. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take OA (Oleic Acid) with food?
As part of meals.
Does OA (Oleic Acid) interact with medications?
Yes — known interactions include None significant. If you take any prescription medication, talk to your doctor or pharmacist before starting OA (Oleic Acid).
What does OA (Oleic Acid) pair well with?
OA (Oleic Acid) stacks well with Omega-3s and Fat-soluble vitamins — these combinations either improve absorption or work synergistically toward common goals.
Who should not take OA (Oleic Acid)?
OA (Oleic Acid) should be avoided or used with caution by people with None. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of OA (Oleic Acid)?
Most people tolerate OA (Oleic Acid) well. The most commonly reported side effects are None at dietary levels. Side effects are usually dose-dependent — lowering the dose often resolves them.
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.