TL;DR: Palm oil accounts for 35% of global vegetable oil production. Its high saturated fat content can raise LDL cholesterol; refining byproducts (3-MCPD, glycidol) have been flagged by EFSA as health concerns. Infant formula containing palm oil warrants particular attention; adults face lower but real considerations.
Biscuits, chocolate, margarine, instant soup, shampoo, lipstick, candles… Palm oil is in nearly everything. It accounts for 35% of global vegetable oil production — more than soy, canola, and sunflower combined in global food applications. That ubiquity makes understanding its actual properties important.
What Is Palm Oil and What Are Its Types?
Palm oil comes from the Elaeis guineensis tree, originally from West Africa and now grown extensively across Southeast Asia. It produces two distinct oils:
- Crude palm oil (CPO): From the fruit pulp. Orange-red colored, high in beta-carotene (pro-vitamin A). Used where flavor and color are acceptable.
- Refined, Bleached, Deodorized (RBD) palm oil: The colorless, odorless form in most processed foods. The refining process — which reaches temperatures above 200°C — is where the main health concerns emerge.
- Palm kernel oil (PKO): From the seed. Higher in lauric acid, similar profile to coconut oil. Used in confectionery coatings.
On labels, palm oil may appear as:
- Palm oil / palm fat (direct naming)
- Palmitate, palmitoyl (derivatives)
- “Vegetable oil” — if no source is specified, it’s very often palm
- Sodium lauryl sulfate, glycerin (downstream derivatives in cosmetics)
In the EU, source specification on food labels has been mandatory since 2014. Regulations vary elsewhere.
What Does Palm Oil’s Fatty Acid Profile Look Like?
| Oil | Saturated (%) | Monounsaturated (%) | Polyunsaturated (%) |
|---|---|---|---|
| Coconut oil | 91 | 6 | 3 |
| Palm oil | 50 | 39 | 11 |
| Butter | 63 | 28 | 4 |
| Olive oil | 15 | 73 | 11 |
| Sunflower oil | 11 | 23 | 65 |
Palm oil’s dominant saturated fatty acid is palmitic acid (~44%). Palmitic acid is associated with raising LDL cholesterol (“bad” cholesterol) in dietary studies, though its effect on HDL (“good” cholesterol) is less clearly negative. The net cardiovascular impact compared to olive or canola oil is unfavorable in head-to-head studies.
However, comparing palm oil to hydrogenated fats (trans fats) — which it largely replaced — it’s clearly better. Trans fats both raise LDL and lower HDL; palm oil does the former without the latter.
What Is EFSA’s 3-MCPD Warning?
In 2016, EFSA published a comprehensive assessment of process contaminants in vegetable oils — with palm oil receiving particular scrutiny due to its high refining temperatures.
Two compound classes were identified as health concerns:
Glycidyl esters (GE):
- EFSA classified these as “possible genotoxic carcinogens” — meaning they may damage DNA in a way that promotes cancer
- Palm oil contains significantly higher GE levels than most other refined vegetable oils
- EFSA’s 2016 assessment found current exposure levels for some population groups (particularly infants) “of concern”
3-MCPD esters (3-MCPDE) and 2-MCPD esters:
- Associated with kidney toxicity in animal studies
- EFSA concluded that tolerable daily intake (TDI) may be exceeded, particularly in infants consuming formula containing palm oil
The 2018 EFSA update recommended that industry work to reduce these contaminants through modified refining processes. Several infant formula manufacturers responded by removing palm oil from formulations. The “palm oil-free formula” category now exists specifically because of these EFSA findings.
The Historical Context: Trans Fat Replacement
In the 1990s and 2000s, the health risks of hydrogenated vegetable oils (the primary source of industrial trans fats) became clear. Trans fats both raise LDL cholesterol and lower HDL cholesterol — a particularly damaging cardiovascular combination.
The food industry needed a semi-solid fat with similar functional properties (stability, texture, shelf life) that didn’t form trans fats. Palm oil fit that profile: it’s naturally semi-solid at room temperature, highly heat-stable, and contains no trans fats from its natural state.
The substitution of palm oil for hydrogenated fats was, in many respects, a genuine health improvement. But “better than trans fats” remains a relatively low bar. The comparison to unrefined olive oil or canola oil tells a different story.
What Are the Environmental Impacts?
The environmental case against palm oil is more straightforward than the health case:
Deforestation:
- Indonesia and Malaysia produce approximately 85% of global palm oil
- Borneo and Sumatra — both biodiversity hotspots — have experienced massive forest conversion to plantations
- Peatland drainage and burning for plantations releases decades of stored carbon rapidly
Biodiversity:
- Borneo orangutans are critically endangered, with population estimates showing losses of approximately 100,000 individuals between 2016–2020
- Sumatran tigers, pygmy elephants, and sun bears face similar habitat pressures
Carbon emissions:
- Burning and draining peatlands can make palm oil-derived products among the highest carbon-footprint agricultural products globally when full life-cycle accounting is used
RSPO certification: The Roundtable on Sustainable Palm Oil was established to create standards for sustainable production. However, independent audits have found variable compliance, greenwashing concerns, and insufficient enforcement of standards.
Why Doesn’t Everyone Just Switch Away From Palm Oil?
This question is harder than it seems. Per hectare, palm oil yields approximately 5–10 times more oil than soy, canola, or sunflower. Replacing palm oil globally would require dramatically more agricultural land — which could cause its own deforestation and environmental damage in different regions.
From a pure land-use efficiency standpoint, palm oil is actually the most land-efficient vegetable oil available. The environmental problem is where it’s grown (sensitive tropical ecosystems) and how it’s expanded, not the crop itself in principle.
Should You Avoid Palm Oil?
| Situation | Recommendation | Reason |
|---|---|---|
| Infants and formula feeding | Choose palm oil-free formula | EFSA 3-MCPD/GE concerns; EFSA specifically highlighted infant exposure |
| Young children | Minimize high-palm processed foods | Developing systems, proportionally higher exposure |
| Elevated LDL cholesterol | Reduce palmitic acid overall | Fatty acid profile unfavorable compared to unsaturated oils |
| Cardiovascular risk factors | Prefer olive, canola, or high-oleic sunflower | Head-to-head studies favor these |
| Healthy adults | Normal consumption carries limited acute risk | Though environmental reasons may still motivate reduction |
| Environmental concerns | Seek RSPO certified or palm oil-free alternatives | Biodiversity and climate impact |
Label Reading Guide
To identify palm oil on ingredient lists:
- “Palm oil” or “palm fat” — direct labeling (required in EU)
- “Vegetable oil” without source — probably palm in most contexts
- “Palmitate” in ingredient or cosmetic labels — palm derivative
For infant products specifically: the presence or absence of palm oil on infant formula has regulatory significance given EFSA findings. Look for “palm oil-free” on the packaging or verify through the ingredient list.
Bottom Line
Palm oil occupies a complicated position in both health and environmental debates. For most healthy adults, normal consumption doesn’t constitute a clearly dangerous exposure. For infants and young children, EFSA’s concerns about refining contaminants are specific enough to warrant choosing palm oil-free alternatives where available.
The environmental dimension is cleaner-cut: certified sustainable sourcing or reduced palm oil consumption reflects a real difference in outcomes for tropical biodiversity and climate.
Fudoe identifies palm oil in scanned products and notes its position in the ingredient list — because where it appears indicates how much the product contains.