NutriDex

The Supplement Research Compendium
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Avocado

Persea americana

Creamy monounsaturated fat, fiber, and potassium

Moderate evidence 🍎Fruits

✚ Updated · How we grade evidence

Evidence tier
Moderate
Research weight
Citations
9 verified / 9
Classification
Fruits
❝
What the evidence says. Several controlled trials; effects real but modest or context-dependent.

Nutrition per serving 1/2 medium (100 g, raw)

100gSERVING
  • Water 73.2 g73%
  • Sugars 0.7 g1%
  • Fibre 6.7 g7%
  • Other carbs 1.1 g1%
  • Protein 2 g2%
  • Fat 14.7 g15%
  • Other 1.6 g2%
What's in one serving, by weight — average composition (USDA).
Fiber24%Potassium10%Pantothenic acid (B5)28%Folate20%Vitamin K18%Copper21%Vitamin E14%Vitamin C11%
One serving as % of the adult daily requirement (FDA Daily Values). The bold outer ring = 100% of a day's needs.
160 kcal2 g protein6.7 g fiber15 g fat
NutrientPer serving% daily value
Fiber6.7 g24%
Potassium485 mg10%
Pantothenic acid (B5)1.4 mg28%
Folate81 mcg20%
Vitamin K21 mcg18%
Copper0.19 mg21%
Vitamin E2.1 mg14%
Vitamin C10 mg11%
Monounsaturated fat9.8 g0%
Magnesium29 mg7%
Vitamin B60.26 mg15%
Lutein + zeaxanthin271 mcg0%

Composition data: USDA FoodData Central ↗

What is Avocado?

Avocado (Persea americana) is a fruit used for improves blood lipid profile (lowers ldl and total cholesterol, especially in those with high cholesterol). NutriDex grades the human evidence as Moderate. Avocado is a nutrient-dense fruit rich in monounsaturated fat, fiber, and potassium, and human evidence for cardiometabolic benefit is moderate but not definitive. Large prospective US cohorts (NHS and HPFS) link 2 or more servings per week, and substitution for butter, margarine, or processed meat, to a 16-22% lower cardiovascular risk. Short controlled feeding trials show avocado can lower LDL and total cholesterol, but a 2024 systematic review and meta-analysis found no significant overall LDL reduction (only a subgroup benefit in hypercholesterolemic people, at low certainty). Critically, the largest RCT to date (HAT, n=1008, 6 months) found no significant effect of one avocado per day on visceral fat or most cardiometabolic markers. Thus observational data are consistent and favorable, but rigorous RCT confirmation of hard outcomes is lacking, and effects may partly reflect overall diet quality.

Purported Benefits

✓Improves blood lipid profile (lowers LDL and total cholesterol, especially in those with high cholesterol)
✓Associated with lower cardiovascular and coronary heart disease risk in large cohorts
✓Supports satiety and modest improvements in diet quality when used to replace less healthy fats
✓Provides potassium and fiber that support blood pressure and gut health
✓Enhances absorption of fat-soluble carotenoids from co-consumed vegetables

Dosing & Compounds

Typical Dose
Roughly half to one whole avocado per day (about 100-150 g); cohort benefits emerged at 2 or more servings per week, typically replacing butter, cheese, or processed meats.
Active Compounds
Monounsaturated fat (oleic acid)Soluble and insoluble dietary fiberPotassiumFolateVitamin KVitamin E (alpha-tocopherol)Pantothenic acid (vitamin B5)Lutein and zeaxanthin (carotenoids)Beta-sitosterol (phytosterol)

Safety & Cautions

Generally very safe as a whole food. Latex-fruit syndrome: people allergic to natural rubber latex may cross-react to avocado. Energy- and fat-dense, so portions matter for weight management. High potassium content warrants caution in advanced kidney disease or with potassium-sparing drugs. Vitamin K content is modest but relevant for those on warfarin needing consistent intake. Avocado may reduce blood levels of warfarin and amiodarone in isolated reports; no clinically significant CYP interaction like grapefruit is established. Educational only — always check with your doctor or pharmacist before combining Avocado with any medicine.

Key Studies

Meta-analysis James-Martin 2024 ✓ PubMed
Systematic review and meta-analysis found no significant overall LDL-C change with avocado, but a significant -9.4 mg/dL LDL reduction in hypercholesterolemic subgroups (low to very low certainty).
Meta-analysis Critical Reviews in Food Science and Nutrition 2026 ✓ PubMed
Dose-response meta-analysis of avocado RCTs found avocado consumption significantly lowered LDL-C (WMD -6.16 mg/dL, 95% CI -9.87 to -2.44), with greater reductions at intakes >250 g/day.
Meta-analysis Food Science & Nutrition 2025 ✓ Full text
GRADE-assessed meta-analysis of 10 RCTs (n=2,354) found avocado supplementation significantly reduced LDL-C (WMD -3.75 mg/dL, 95% CI -4.70 to -2.80; p<0.001) but had no significant effect on HDL or triglycerides.
Meta-analysis Okobi et al., Cureus 2023 ✓ PubMed
Systematic review and meta-analysis of 7 RCTs found the avocado group had lower LDL cholesterol than controls across both habitual-diet and low-fat-diet subgroups.
Meta-analysis Mahmassani 2018 ✓ PubMed
Systematic review and meta-analysis (18 studies) found avocado modestly raised HDL-C (~+2.8 mg/dL) but produced no significant change in total or LDL cholesterol, triglycerides, or body weight; most trials were short and small.
RCT Lichtenstein 2022 ✓ Full text
HAT trial (n=1008, 6 months): one avocado/day did not significantly reduce visceral adipose tissue (primary outcome, p=0.41) or meaningfully improve cardiometabolic risk factors vs habitual diet.
RCT Wang 2020 ✓ PubMed
RCT in adults with overweight/obesity: one avocado/day raised plasma lutein (+69%) and lowered oxidized LDL (-8.8%), supporting an antioxidant mechanism on small, dense LDL.
RCT Wang 2015 ✓ PubMed
Randomized controlled feeding trial: a moderate-fat diet with one Hass avocado/day lowered LDL-C by ~13.5 mg/dL and reduced LDL particle number and small dense LDL vs lower-fat and matched moderate-fat diets.
Cohort Pacheco 2022 ✓ PubMed
In NHS and HPFS cohorts (>110,000 adults, 30-year follow-up), ≥2 avocado servings/week linked to 16% lower CVD and 21% lower CHD risk; replacing butter/cheese/processed meat with avocado lowered risk 16-22%.
9 sources cited · 9 verified Search all studies on PubMed ↗

Common questions about Avocado

What is Avocado used for?

Avocado is most often taken for Improves blood lipid profile (lowers LDL and total cholesterol, especially in those with high cholesterol), Associated with lower cardiovascular and coronary heart disease risk in large cohorts, Supports satiety and modest improvements in diet quality when used to replace less healthy fats, Provides potassium and fiber that support blood pressure and gut health. Creamy monounsaturated fat, fiber, and potassium

Does Avocado work — what does the evidence say?

Moderate evidence. Several controlled trials; effects real but modest or context-dependent. Avocado is a nutrient-dense fruit rich in monounsaturated fat, fiber, and potassium, and human evidence for cardiometabolic benefit is moderate but not definitive. Large prospective US cohorts (NHS and HPFS) link 2 or more servings per week, and substitution for butter, margarine, or processed meat, to a 16-22% lower cardiovascular risk. Short controlled feeding trials show avocado can lower LDL and total cholesterol, but a 2024 systematic review and meta-analysis found no significant overall LDL reduction (only a subgroup benefit in hypercholesterolemic people, at low certainty). Critically, the largest RCT to date (HAT, n=1008, 6 months) found no significant effect of one avocado per day on visceral fat or most cardiometabolic markers. Thus observational data are consistent and favorable, but rigorous RCT confirmation of hard outcomes is lacking, and effects may partly reflect overall diet quality.

What is the typical dose of Avocado?

Roughly half to one whole avocado per day (about 100-150 g); cohort benefits emerged at 2 or more servings per week, typically replacing butter, cheese, or processed meats.

Is Avocado safe? Any cautions or side effects?

Generally very safe as a whole food. Latex-fruit syndrome: people allergic to natural rubber latex may cross-react to avocado. Energy- and fat-dense, so portions matter for weight management. High potassium content warrants caution in advanced kidney disease or with potassium-sparing drugs. Vitamin K content is modest but relevant for those on warfarin needing consistent intake. Avocado may reduce blood levels of warfarin and amiodarone in isolated reports; no clinically significant CYP interaction like grapefruit is established.

How many studies support Avocado?

NutriDex cites 9 sources for Avocado, graded "Moderate".

Cite this page
APA

Peh, D. (2026). Avocado (Persea americana): Benefits, Dosage, Side Effects & Evidence. NutriDex — The Supplement Research Compendium. Retrieved 26 Jun 2026, from https://nutridex.info/s/avocado

BibTeX
@misc{nutridex_avocado,
  author       = {Peh, Daryl},
  title        = {Avocado (Persea americana): Benefits, Dosage, Side Effects \& Evidence},
  year         = {2026},
  howpublished = {NutriDex --- The Supplement Research Compendium},
  url          = {https://nutridex.info/s/avocado},
  note         = {Reviewed by Dr Daryl Peh, MBBS Singapore, MMed FM. Accessed 2026-06-26}
}

For medical claims, citing the underlying primary studies linked above is preferred. NutriDex is an educational reference, not medical advice.

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