Is Mayonnaise Bad for Your Heart? What You Need to Know

Dr Madan Mohan B

Mayonnaise is one of the world’s most popular condiments, loved for its creamy texture and tangy flavour. Whether used as a sandwich spread, salad dressing, or dip for fried and grilled foods, mayo has become a kitchen staple in many homes.

But with growing awareness around nutrition and heart health, many people are asking: Is mayonnaise bad for your heart?

The answer depends on how much you consume and the type of mayonnaise you choose.

What Is Mayonnaise Made Of?

Traditional mayonnaise is made from:

• Eggs
• Oil
• Vinegar or lemon juice

Because of its high oil content, mayonnaise is naturally rich in calories and fats.

While some of these fats can be heart-friendly unsaturated fats, excessive consumption may raise health concerns.

How Mayonnaise Affects Heart Health

Mayonnaise contains fats that can influence cholesterol levels.

When consumed in moderation, mayonnaise made with healthy oils can fit into a balanced diet.

However, frequent consumption of mayo high in saturated fats or trans fats may increase LDL (bad cholesterol) levels, which can contribute to blocked arteries and cardiovascular disease.

Mayonnaise and Weight Gain

One tablespoon of mayonnaise contains a significant number of calories.

Regularly adding large portions to sandwiches, burgers, and snacks can increase overall calorie intake and contribute to weight gain.

Excess weight is a known risk factor for:

• High cholesterol
• High blood pressure
• Heart disease
• Type 2 diabetes

Food Safety Risks of Mayonnaise

Improperly stored mayonnaise can support bacterial growth, increasing the risk of food poisoning.

Always:
✔ Refrigerate opened mayonnaise
✔ Check expiry dates
✔ Avoid consuming mayo left at room temperature for long periods

Can Mayo Raise Blood Sugar?

Mayonnaise itself is generally low in carbohydrates.

However, flavoured or processed versions may contain added sugars that can affect blood glucose levels if consumed excessively.

Healthier Alternatives to Mayonnaise

If you want to reduce calorie and fat intake, consider these healthier substitutes:

• Greek yogurt spread
• Mashed avocado
• Olive oil mayonnaise
• Hummus
• Low-fat yogurt dips

These alternatives provide flavour while offering better nutritional value.

Should You Stop Eating Mayonnaise?

There is no need to completely eliminate mayonnaise from your diet.

The key is moderation.

A small amount of quality mayonnaise, paired with a balanced diet and active lifestyle, is unlikely to harm heart health.

Instead of focusing on one food, prioritise an overall healthy eating pattern that includes:

• Fresh fruits and vegetables
• Whole grains
• Lean proteins
• Healthy fats
• Regular physical activity

The Bottom Line

Mayonnaise is not inherently unhealthy.

Its impact on heart health depends on portion size, ingredient quality, and your overall diet.

Making smarter choices and consuming mayo mindfully can help you enjoy it without compromising your well-being.

Dr Madan Mohan B, Senior Consultant, Interventional Cardiologist, MGM Healthcare