What it does in the body
- Cardiovascular protection (reduces LDL, maintains HDL)
- Insulin sensitivity improvement
- Anti-inflammatory effects
- Cell membrane fluidity maintenance
- Carrier for fat-soluble vitamin absorption
How much you need (Daily Value)
| Group | Recommended | Source |
|---|---|---|
| Adult male | 15-20% of total calories (~33-44g on 2000 kcal diet) | AHA/Mediterranean diet guidelines |
| Adult female | 15-20% of total calories | AHA |
| Pregnancy | Part of 20-35% total fat; prioritize MUFAs and PUFAs over SFAs | WHO |
| Children | Part of 25-35% total fat for ages 4-18 | IOM |
| Older adults | Prioritize MUFAs; Mediterranean diet pattern recommended for cardiovascular and cognitive protection | AHA/MIND diet |
Richest food sources
| Food | Amount | Where |
|---|---|---|
| Olive oil (extra virgin) | 73g per 100g | mediterranean |
| Avocado | 10g per 100g | mesoamerica |
| Almonds | 31g per 100g | middle-east |
| Macadamia nuts | 59g per 100g | australia |
| Peanut oil | 46g per 100g | global |
| Cashews | 24g per 100g | south-america |
| Sesame oil (untoasted) | 40g per 100g | east-asia |
| Canola/rapeseed oil | 63g per 100g | global |
If you don't get enough
Mild: Not essential (body can synthesize oleic acid); low intake may miss cardiovascular benefits
Moderate: Increased reliance on SFAs or refined carbohydrates, potentially worsening lipid profile
Severe: Not applicable — MUFAs are not essential nutrients
Time to onset: Not applicable for deficiency; cardiovascular benefits seen within weeks to months of increased intake
Too much
Upper limit: No UL; part of total fat recommendation (20-35% of calories). No adverse effects from high MUFA intake documented
Excessive caloric intake from any fat can cause weight gain. No MUFA-specific toxicity
How well you absorb it
95-100% absorption; processed identically to other long-chain fatty acids via bile salt emulsification and chylomicron transport
Helped by: Bile salts, Co-ingestion with vegetables (enhances polyphenol absorption from EVOO), Normal pancreatic function
Hindered by: Orlistat, Severe fat malabsorption conditions
Cooking & storage
MUFAs are moderately heat-stable with higher oxidative stability than PUFAs. Extra-virgin olive oil is suitable for most cooking (smoke point ~190°C) and retains polyphenols at moderate temperatures. Deep frying degrades polyphenols but MUFAs remain relatively intact.
Nutrisize Health totals every nutrient from what you actually eat, against targets set for your age and sex, and flags what's short — across 4,995 foods, on your device.
