Canola. Sunflower. Soybean. Corn. Cottonseed. Grapeseed.
In a refined form, they go by dozens of names on ingredient lists. They are in restaurant kitchens, supermarket ready-meals, almost every packet of crisps, most commercial sauces and the majority of fast food on earth. Most people are eating them at every meal — and have been their entire lives.
We are talking about industrial seed oils. And if you have never looked at them closely, this is the article that will make you do it.
Why they behave differently in the body
The problem is not fat. Fat is essential. Your brain is roughly 60% fat, your hormones are built from it, every cell membrane in your body is a fat bilayer. The question is which fat.
Traditional fats — olive oil, butter, ghee, coconut oil, animal fats — are rich in stable saturated and monounsaturated fatty acids. They have been in human diets for thousands of years. Their chemistry is stable under heat. Your body has mechanisms for handling them.
Industrial seed oils are predominantly polyunsaturated fats (PUFAs), loaded with linoleic acid — an omega-6 fatty acid. When you consume them in large quantities, they get incorporated directly into your cell membranes and into your stored body fat. This is not a claim — it has been measured directly in tissue samples. The linoleic acid content of stored body fat in Western populations has roughly tripled since the 1960s, tracking the rise of seed oil consumption almost perfectly.
The deeper issue is what happens when these oils are heated. Polyunsaturated fats are chemically fragile. High heat — the kind used in restaurant fryers, in food processing and in a hot home pan — causes them to oxidise and break down into aldehydes and other reactive compounds. Aldehydes have been linked to inflammatory cascades, mitochondrial disruption and, in long-term exposure studies, cardiovascular damage. The irony is almost painful: the oil marketed as heart-protective is most harmful when heated — and it is almost always heated.
“The linoleic acid content of stored body fat in Western populations has roughly tripled since the 1960s — tracking the rise of seed oil consumption almost perfectly.”
Why the difference often shows up within a week
Full cell membrane turnover takes months. But inflammation is faster. Remove a persistent inflammatory trigger and the downstream effects — joint stiffness, afternoon brain fog, low-level bloating, skin that never quite settles — can begin to ease within days.
The omega-6 to omega-3 ratio in a typical Western diet has shifted from a historical 4:1 to somewhere between 15:1 and 20:1. That ratio matters because omega-6 and omega-3 fatty acids compete for the same metabolic pathways. A chronic excess of omega-6 keeps the inflammatory side of that balance pushed forward. Bring it back toward equilibrium and your body stops spending energy managing a signal that should not be there.
Many people who remove seed oils report feeling clearer, less puffy and more energised within the first week. Some of that is placebo — removing something and expecting to feel better tends to make you feel better regardless. But some of it is real: the removal of a constant low-grade stimulus that your immune system was quietly responding to.
The swap is not a restriction. It is a replacement.
What to cook with instead
Three fats cover almost everything in a home kitchen:
Olive oil
Cold-pressed, extra-virgin. Use it for dressings, low-to-medium heat cooking and finishing dishes. It is predominantly oleic acid — a monounsaturated fat that is chemically stable, well-studied for its anti-inflammatory profile and deeply embedded in the longevity research on Mediterranean populations. Do not fear it on medium heat; it is more stable than its reputation suggests. Avoid it at high heat or in deep frying.
Butter or ghee
For sauteing, roasting and anything that needs a genuinely high smoke point. Ghee — clarified butter with the water and milk solids removed — is particularly suited to high heat. It is rich in butyrate, a short-chain fatty acid that directly feeds the cells lining your gut wall and has been studied for its role in gut barrier integrity and inflammation reduction. If you are sensitive to dairy, ghee is often tolerated where butter is not.
Coconut oil
For high-heat cooking and anything where you want a mild richness. It is predominantly saturated fat, which makes it chemically very stable — it does not oxidise easily under heat. The saturated fat in coconut oil is predominantly lauric acid, which has a distinct metabolic profile and antimicrobial properties. Use it unrefined (virgin) for flavour, refined for a neutral taste in high-heat applications.
What this looks like at Phuket Cleanse
The Phuket Cleanse kitchen has been seed-oil-free from the beginning. Every meal — breakfast, lunch and dinner — is cooked in olive oil, coconut oil or ghee. It is not something guests request. It is simply how the food is made.
When guests eat here for a week, many notice things they did not expect: less bloating, clearer skin, better sleep, sharper mornings. The food is not low-calorie. It is not bland. The difference is not in what is removed from the plate — it is in what the food is cooked in.
Stanton built the kitchen philosophy around one principle: food that works for the body at a cellular level, not just food that looks clean on a menu. The fat is where it starts.
The practical swap
Start at home. Open the cupboard where you keep oils and sauces. Read the labels. Anything marked sunflower oil, canola oil, vegetable oil, corn oil, rapeseed oil, cottonseed oil or “blend of oils” — replace it.
Not gradually. Replace it now. The cost difference between a bottle of refined sunflower oil and a bottle of extra-virgin olive oil is real but smaller than most people expect. The oils you are switching to last longer, behave better under heat and do not need to be replaced as often.
When eating out, you cannot always control what you are cooked in. But at home, you can control it entirely. And home is where most of your meals happen.
This is not a diet. It is a single-ingredient audit. It costs almost nothing and requires no willpower — because you are not eating less of anything, you are just eating something better instead.
Most people who make this swap report that within a week, something shifts. It is subtle at first — clearer mornings, less afternoon heaviness, food that feels lighter even when it is not. Over months, the changes compound.
It starts with what is in the pan.
Recoded™ · Nutritional Technology
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Ancient grain bowls, seed-oil-free cooking, mango yogurt soup — the full Recoded recipe collection.
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