• The Healthy Mail
  • Posts
  • Vegetable Oil Was Machinery Lubricant Until 1910. You Ate It This Morning.

Vegetable Oil Was Machinery Lubricant Until 1910. You Ate It This Morning.

110 Years Ago It Lubricated Gears. Today It's in 87% of Your Food.

In partnership with

This Is How Winter Is Supposed to Taste 🍸✨

Winter doesn’t have to feel heavy or indulgent in ways that don’t serve you. It’s a season to slow down, feel grounded, and still savor the ritual of a beautiful drink. Enter Vesper, Pique’s newest release—and my favorite upgrade to winter sipping.

Pique is known for blending ancient botanicals with modern science to create elevated wellness essentials, and Vesper is no exception. This non-alcoholic, adaptogenic aperitif delivers the relaxed, social glow of a cocktail—without alcohol or the next-day regret.

It’s what I reach for when I want something special in my glass on a cold evening. Each sip feels celebratory and calming, with a gentle mood lift, relaxed body, and clear, present mind. No haze. No sleep disruption. Just smooth, grounded ease.

Crafted with L-theanine, lemon balm, gentian root, damiana, and elderflower, Vesper is sparkling, tart, and beautifully herbaceous—truly crave-worthy.

Winter isn’t about cutting back. It’s about choosing what feels good. And Vesper makes every pour feel like a yes.

Good morning Healthy Mail family!

You just cooked breakfast in vegetable oil. Or canola oil. Or soybean oil.

Your grandmother used butter or lard. You think you're being healthier.

Here's what you didn't know: The oil in your pan was used as industrial machinery lubricant in factories until 1910.

It was never meant to be food.

Cotton plants produce seeds. Those seeds contain oil. For centuries, nobody ate it because it smelled terrible, tasted worse, and made people sick.

Then factories discovered they could use it to lubricate heavy machinery. It worked great for greasing gears and preventing rust.

In 1911, Procter & Gamble figured out how to chemically process cottonseed oil to make it shelf-stable, odorless, and solid at room temperature. They called it Crisco.

They marketed it as a "healthier alternative to lard."

It wasn't. It was industrial lubricant that they convinced Americans to eat.

Today I'm exposing the 100-year con that put machine grease in your kitchen, how it's destroying your health, and what to cook with instead.

This will make you angry. It should.


📊 QUICK POLL: What's your main cooking oil right now?

Login or Subscribe to participate in polls.

THE HISTORY THEY DON'T WANT YOU TO KNOW

Before 1910, humans cooked with fats that had been used for thousands of years:

  • Butter

  • Lard (pork fat)

  • Tallow (beef fat)

  • Olive oil

  • Coconut oil

These fats came from animals or plants we'd been eating forever. They required minimal processing. They were stable at cooking temperatures.

Then the Industrial Revolution happened.

Cotton was king. Cotton plants produced tons of seeds as a byproduct. Those seeds contained oil.

The problem: Cottonseed oil was toxic. It contained gossypol, a compound that causes infertility, liver damage, and other health issues. Animals that ate cottonseed meal got sick or died.

The solution: Extract the oil and sell it for industrial use. Factories used it to lubricate machinery, make soap, and manufacture paint.

The brilliant idea: What if we could make people eat it instead?

HOW THEY TURNED MACHINE LUBRICANT INTO "HEALTH FOOD"

In 1911, Procter & Gamble (the soap company) figured it out.

They took cottonseed oil (machinery lubricant) and put it through an intensive chemical process:

Step 1: Extraction

  • Heat seeds to 400°F+ to extract maximum oil

  • Use hexane (petroleum-based solvent) to dissolve remaining oil

  • Produces rancid, smelly, toxic oil

Step 2: Degumming

  • Add phosphoric acid to remove natural compounds

  • These compounds would normally prevent the oil from going rancid

Step 3: Refining

  • Add sodium hydroxide (lye - the same chemical in drain cleaner)

  • Remove free fatty acids

Step 4: Bleaching

  • Add bleaching clay to remove color

  • Oil turns from brown/green to pale yellow

Step 5: Deodorizing

  • Heat to 450-500°F under vacuum

  • Remove the terrible smell

  • This creates trans fats as a byproduct (they lied about this for 80 years)

Step 6: Hydrogenation (for Crisco)

  • Bubble hydrogen gas through oil at high heat with a metal catalyst

  • Turns liquid oil solid at room temperature

  • Creates massive amounts of trans fats

After this 6-step chemical process, you have a product that:

  • Looks like food

  • Doesn't smell

  • Doesn't taste like anything

  • Has an unnaturally long shelf life

  • Is completely unrecognizable from what came out of the plant

They called it "pure" and "all-vegetable."

They marketed it as healthier than butter because it came from plants instead of animals.

THE MARKETING CAMPAIGN THAT CHANGED AMERICA

Procter & Gamble launched the most successful food marketing campaign in history.

1911: Crisco launches

  • "A healthier alternative to animal fats"

  • "More digestible"

  • "More economical"

  • Free recipe books teaching housewives to replace butter and lard with Crisco

1920s: They target Jewish communities

  • Crisco is pareve (neither meat nor dairy in kosher law)

  • Jewish families could cook with Crisco and stay kosher

  • Gained massive market adoption

1950s-1960s: The cholesterol scare

  • Ancel Keys publishes flawed studies linking saturated fat to heart disease

  • American Heart Association declares war on animal fats

  • Crisco and vegetable oils positioned as "heart-healthy" alternatives

  • Butter consumption drops 75%

1970s-1980s: The fat-free craze

  • Low-fat diet becomes standard advice

  • Vegetable oils recommended over butter

  • Margarine (vegetable oil + chemicals) replaces butter in millions of homes

1990s-2000s: Health halo expands

  • "Heart-healthy" claims on vegetable oil bottles

  • Doctors recommend cooking with vegetable oils

  • Butter vilified as dangerous

2010s-present: Everywhere

  • In 87% of packaged foods

  • In every restaurant kitchen

  • In every "healthy" product at the grocery store

They won. Completely.

Americans went from eating zero vegetable oil in 1900 to consuming 80+ pounds per year by 2020.

Your great-grandmother ate 2 tablespoons of vegetable oil per year (accidentally, in processed foods that were rare).

You're eating 80 pounds per year.

That's 1,024 tablespoons. 5,120 teaspoons. Every single year.

WHAT IT'S DOING TO YOUR BODY

"But vegetable oil is plant-based! It's healthy!"

No. It's the most inflammatory substance you can put in your body.

Here's what's actually happening:

PROBLEM #1: OMEGA-6 FATTY ACID OVERLOAD

Vegetable oils are 50-80% omega-6 fatty acids.

Humans evolved eating a 1:1 ratio of omega-6 to omega-3 fatty acids. This ratio is crucial for controlling inflammation.

Your ancestors' ratio: 1:1 (balanced) Your ratio: 20:1 or higher (dangerously imbalanced)

Omega-6 in excess promotes:

  • Chronic inflammation

  • Heart disease

  • Arthritis

  • Autoimmune diseases

  • Cancer cell growth

Your body is inflamed 24/7 because you're eating machine lubricant at every meal.

PROBLEM #2: OXIDATION AND FREE RADICALS

Vegetable oils are polyunsaturated fats. That means they have multiple double bonds.

These double bonds are unstable. They oxidize (go rancid) easily when exposed to:

  • Heat

  • Light

  • Oxygen

The problem: You're cooking with them at high heat. They oxidize in the pan before you even eat them.

Oxidized oils create free radicals in your body. Free radicals damage:

  • Cell membranes

  • DNA

  • Proteins

  • Blood vessels

This accelerates aging, causes heart disease, and increases cancer risk.

PROBLEM #3: TRANS FATS (THEY LIED)

For 80 years, food companies said vegetable oils didn't contain trans fats.

They lied.

The deodorization process (heating to 450-500°F) creates trans fats. The hydrogenation process creates massive amounts of trans fats.

Even "trans-fat free" vegetable oils contain trans fats. How?

FDA allows products with less than 0.5g trans fat per serving to claim "0g trans fat." Companies manipulate serving sizes to stay under 0.5g.

You eat 4 servings. You just consumed 1.5g of trans fats from a product labeled "0g trans fat."

Trans fats are so harmful that they're banned in many countries. They cause:

  • Heart disease

  • Stroke

  • Diabetes

  • Inflammation

  • Alzheimer's disease

PROBLEM #4: HIDDEN IN EVERYTHING

You think "I don't cook with vegetable oil, I'm safe."

Check your pantry:

Foods with vegetable oil:

  • Salad dressings (95% of them)

  • Mayonnaise

  • Bread (most commercial brands)

  • Crackers

  • Chips

  • Cookies

  • Granola bars

  • Protein bars

  • Frozen dinners

  • Restaurant foods (90% of restaurants)

  • "Healthy" snacks

  • Hummus (most brands)

  • Nut butters (most brands)

  • Tomato sauce (many brands)

You're eating it 6-10 times per day without realizing it.

Restaurant french fries? Cooked in vegetable oil. Restaurant stir-fry? Cooked in vegetable oil. That "heart-healthy" salad? Dressed in vegetable oil.

Even your "olive oil" might be fake. Studies show 60-80% of olive oil sold in stores is cut with cheaper seed oils. The bottle says "olive oil" but contains mostly soybean or canola oil.

THE INDUSTRY KNEW AND HID IT

Internal documents from the 1950s-1970s show that scientists working for vegetable oil companies knew their products caused health problems.

They knew omega-6 fatty acids were inflammatory. They knew the processing created trans fats. They knew oxidation created free radicals.

What did they do?

They funded research to blame saturated fat instead.

Documents show:

  • Sugar industry paid scientists to shift blame from sugar to fat

  • Vegetable oil industry funded studies showing animal fats cause heart disease

  • They paid doctors to recommend vegetable oils

  • They lobbied the American Heart Association to endorse their products

  • They got "heart-healthy" labels approved despite evidence of harm

This isn't conspiracy theory. These are actual documents released through Freedom of Information requests.

The vegetable oil industry spent 70 years and billions of dollars convincing you that machine lubricant is health food.

THE SMOKING GUN: HEART DISEASE RATES

If vegetable oils are "heart-healthy," heart disease rates should have dropped when we started using them, right?

1900: Americans eat butter, lard, tallow. Heart disease is rare (less than 5% of deaths).

1960: Americans eating Crisco and margarine for 50 years. Heart disease is the #1 killer (40% of deaths).

2020: Americans eating 80 pounds of vegetable oil per year. Heart disease still the #1 killer.

The introduction of vegetable oils perfectly correlates with the explosion of heart disease, obesity, diabetes, and inflammatory diseases.

But the American Heart Association still recommends vegetable oils over butter.

Why?

Procter & Gamble and other food companies donate millions to the American Heart Association. The AHA puts their "heart-healthy" certification on products for a fee.

They're paid to recommend the products causing the problem.

WHAT TO USE INSTEAD

Your great-grandmother was right. Use the fats humans have been eating for thousands of years.

FOR HIGH-HEAT COOKING:

Butter - Saturated fat, stable at high heat, nutrients intact
Ghee - Clarified butter, even more stable
Avocado oil - Monounsaturated fat, high smoke point (buy small bottles, use quickly) Coconut oil - Saturated fat, stable at high heat

FOR MEDIUM-HEAT COOKING:

Olive oil - But buy high-quality, small bottles, use quickly
Duck fat - If you can find it
Tallow - Beef fat (your great-grandmother used this)

FOR COLD USE (DRESSINGS):

Olive oil - Extra virgin, high quality only
Avocado oil - Cold-pressed

NEVER USE:

Vegetable oil - Soybean, corn, cottonseed, "vegetable" blend
Canola oil - Even the "cold-pressed" version
Sunflower oil Safflower oil Grapeseed oil - Despite health food store marketing Margarine - It's vegetable oil + chemicals
"Butter spreads" - Half butter, half vegetable oil

THE REAL REASON THEY PUSHED VEGETABLE OIL

It was never about health. It was always about profit.

Butter cost: $5-8 per pound (requires cows, land, time)
Vegetable oil cost to produce: $0.50 per pound (industrial byproduct)
Vegetable oil retail price: $3-6 per pound (600-1,200% markup)

They took an industrial waste product, chemically processed it, marketed it as healthy, and sold it at massive profit margins.

Then they vilified butter (their competitor) using junk science they funded.

The result:

  • Americans now consume 80 pounds of inflammatory oils per year

  • Heart disease is the #1 killer

  • Chronic inflammation is epidemic

  • But vegetable oil companies make billions

They poisoned an entire population for profit.

YOUR ACTION PLAN STARTING TODAY

Step 1: Clear your kitchen (this weekend)

Check labels. If it says vegetable oil, canola oil, soybean oil, corn oil - throw it out.

Check everything:

  • Cooking oils

  • Salad dressings

  • Mayonnaise

  • Crackers and chips

  • Nut butters

  • Hummus

  • Bread

You'll probably throw out 40% of your pantry. Good.

Step 2: Replace with real fats

Buy:

  • Grass-fed butter (Kerrygold if available)

  • Ghee

  • Good quality olive oil (in dark bottles)

  • Avocado oil (small bottle, use within 2 months)

  • Coconut oil

Step 3: Make your own staples

Stop buying things with hidden vegetable oil:

Mayonnaise: Homemade with olive oil or avocado oil
Salad dressing: Olive oil + vinegar + mustard + herbs
Hummus: Make it yourself with olive oil

It takes 5 minutes and costs less than buying the vegetable oil versions.

Step 4: Change how you eat out

Restaurants cook everything in vegetable oil because it's cheap.

Strategy:

  • Choose restaurants that advertise cooking with butter or olive oil (usually higher-end)

  • Ask what oil they use for cooking

  • Order foods that aren't fried or sautéed (grilled, roasted, steamed)

  • Accept that you'll consume some vegetable oil when eating out (minimize damage)

🛒 TODAY'S RECOMMENDED SWAPS

Swap #1: Your Cooking Oil

  • Kerrygold Grass-Fed Butter - Replace vegetable oil, canola oil, and Crisco with real butter that humans have eaten for 10,000 years. Not industrial lubricant from 1911. Use for everything: eggs, vegetables, sautéing, baking. This one swap eliminates seed oils from every meal you cook at home.

Swap #2: Your Yogurt

  • Fage Total 0% Plain Greek Yogurt  - Your flavored yogurt has 11 ingredients and 18g sugar. This has 2 ingredients: milk and live cultures. Add your own berries and honey (you control how much). Fixes breakfast instantly and saves you 15g+ sugar daily.

Swap #3: Your Snacks

  • Kirkland Signature Almonds - Stop buying granola bars with 14 ingredients, brown rice syrup, soy protein isolate, and palm oil. Almonds have one ingredient: almonds. Portion into small bags for grab-and-go. Replaces every processed snack bar in your pantry.

All products are independently selected. We may earn a small commission from purchases, which helps keep this newsletter free.


How Was Today's Edition?

Login or Subscribe to participate in polls.

Here's to never eating machine grease again,

Sarah

P.S. - The food industry spent 110 years convincing you that butter causes heart disease and vegetable oil prevents it. Both are lies. Butter has been food for 10,000 years. Vegetable oil has been food for 110 years. Your body knows the difference. That chronic inflammation, joint pain, brain fog, and stubborn weight? That's your body trying to process industrial waste. Stop poisoning yourself three times a day.