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Is there a downside to drinking olive oil? The risks of overconsumption

5 min read

While extra virgin olive oil is praised for its heart-healthy monounsaturated fats and antioxidants, overconsumption, especially when consumed directly, can present significant drawbacks. Many people wonder, 'Is there a downside to drinking olive oil?' and the answer lies in the fine line between healthy moderation and excess calories.

Quick Summary

Despite olive oil's well-documented benefits, excessive consumption can lead to unintended consequences. Potential drawbacks include weight gain due to high calorie content, digestive upset, and displacement of other essential nutrients. The benefits of ingesting olive oil directly versus with food are also unclear and largely unproven.

Key Points

  • Weight Gain Risk: A single tablespoon of olive oil contains about 120 calories, and overconsumption can easily lead to a caloric surplus and weight gain.

  • Digestive Issues: Consuming large quantities, especially on an empty stomach, can act as a laxative and cause digestive distress like diarrhea or bloating.

  • Medication Interference: Olive oil may lower blood pressure and blood sugar, potentially interacting with medications for these conditions and causing levels to drop too low.

  • Nutrient Displacement: Drinking large volumes can displace more nutritious whole foods, leading to a less balanced diet.

  • Unproven Benefits: The idea that drinking olive oil provides superior health benefits over culinary use is not supported by scientific evidence.

  • Moderation is Key: Incorporating 1-2 tablespoons of olive oil into meals is the recommended and well-supported way to enjoy its health benefits.

In This Article

Understanding the Caloric Density and Weight Gain

One of the most significant downsides to drinking olive oil is its high-calorie count. A single tablespoon contains approximately 120 calories. While these calories come from healthy fats, consuming multiple tablespoons throughout the day can easily lead to a calorie surplus, which contributes to weight gain over time. This is especially true if you are adding olive oil to your diet rather than using it as a replacement for less healthy fats.

  • Portion Control is Key: For those monitoring their weight, it is crucial to measure olive oil intake accurately. Using it liberally can easily add hundreds of extra calories to your daily total without you realizing it.
  • Replacing Fats is Best: The most effective way to incorporate healthy fats like olive oil is to use them in place of saturated and trans fats, such as butter or margarine, not to simply add them to your diet.

Digestive Issues from High Intake

Consuming large quantities of oil can cause gastrointestinal distress for some individuals. Olive oil has a natural laxative effect, and an excessive amount can result in an upset stomach, bloating, or diarrhea. The discomfort can be more pronounced when drinking it on an empty stomach. Starting with small amounts and observing your body's reaction is advisable for those with sensitive digestive systems.

Potential Impact on Blood Sugar and Pressure

While olive oil is known for its positive effects on heart health, for some individuals, particularly those on medication, excessive intake can have unwanted consequences. Olive oil has been shown to lower both blood sugar and blood pressure. For a person with diabetes or high blood pressure who is already on medication, adding large amounts of olive oil could cause these levels to drop too low, leading to dizziness, lightheadedness, or even hypoglycemia. It is essential for anyone with pre-existing health conditions to consult a healthcare professional before significantly increasing their olive oil intake.

Displacing More Nutritious Whole Foods

Drinking olive oil directly, especially in large volumes, can inadvertently displace more nutrient-dense whole foods from your diet. While olive oil is a source of healthy fats and antioxidants, it lacks the fiber, vitamins, and minerals found in vegetables, fruits, nuts, and seeds. A balanced diet emphasizes a variety of whole foods, and relying too heavily on olive oil as a 'superfood' supplement can disrupt this balance. For example, consuming olive oil with tomato products increases antioxidant absorption, illustrating that its benefits are often maximized when paired with other healthy foods, not consumed alone.

Lack of Evidence for 'Drinking' vs. 'Consuming'

Many of the touted benefits of drinking olive oil straight, such as weight loss or detoxing, are not supported by robust scientific research. The health advantages of olive oil, such as its anti-inflammatory properties and support for heart health, are well-established for people who use it as part of a balanced diet, like the Mediterranean diet. There is no evidence that drinking it offers any superior benefits over incorporating it into meals. The practice may just add unnecessary calories and increase the risk of side effects.

Considerations for Different People

  • For Individuals with Diabetes: Be mindful of olive oil's effect on blood sugar. Monitor levels carefully, especially when starting or increasing intake, and discuss with a doctor.
  • For those with Low Blood Pressure: The blood pressure-lowering effect could be an issue. If you are already on medication, this is especially important to monitor.
  • For People with Weight Management Goals: Track the calorie intake from olive oil, as its density can quickly add up. Focus on replacing other fats, not just adding it.
  • For Individuals with Sensitive Digestion: Start with small amounts, like a teaspoon, to see how your body reacts before increasing.

Olive Oil Consumption: Direct vs. Culinary Use

Feature Drinking Olive Oil Directly Consuming with Food (e.g., Mediterranean Diet)
Caloric Intake Higher risk of overconsumption due to ease of consuming large volumes. Easier to manage portions and integrate into overall caloric needs.
Nutrient Synergy Limited. Can displace other nutritious foods. Enhanced nutrient absorption (e.g., antioxidants from tomatoes with olive oil).
Digestive Impact Higher risk of causing diarrhea, nausea, and bloating, especially on an empty stomach. Generally well-tolerated in moderate amounts within meals.
Satiety Moderate feeling of fullness from fat content. Enhanced satiety when part of a balanced meal with fiber and protein.
Proven Benefits Few specifically proven benefits over culinary consumption. Benefits for heart health, inflammation, and overall well-being are well-supported.
Enjoyment Taste and texture may not be appealing to everyone. Flavor enhances meals and complements other ingredients.

Conclusion

While olive oil is a valuable component of a healthy diet, particularly the Mediterranean diet, the practice of drinking it directly is not superior to incorporating it into meals. The main downsides revolve around the risk of high caloric intake leading to weight gain, potential digestive discomfort, and the opportunity cost of displacing other essential nutrients. Rather than seeking a quick fix by drinking shots of oil, a more sustainable and beneficial approach is to use high-quality extra virgin olive oil in moderation as part of a balanced, whole-foods-based eating pattern. For individuals with specific health conditions, such as diabetes or low blood pressure, or those on certain medications, consulting a healthcare provider is recommended before making significant dietary changes.

Additional Risks and Considerations

In rare cases, individuals may have an allergy to olives or olive oil, which could lead to adverse reactions. Furthermore, relying heavily on a single fat source, even a healthy one like olive oil, can cause an imbalance in your essential fatty acid intake, affecting overall health. Prioritizing a variety of healthy fats from sources like nuts, seeds, and avocados is important for optimal nutrition. The key takeaway is that moderation and context matter more than the isolated act of drinking the oil.

Sourcing and Quality

The quality of the olive oil also matters. Opt for high-quality, unrefined, extra virgin varieties to ensure you are getting the full benefits. These retain more nutrients and antioxidants compared to processed oils. Look for a seal of approval from a reputable association to verify its authenticity and quality.

Note: The content is for informational purposes only and does not constitute medical advice. Consult a healthcare professional for personalized guidance.

Conclusion and Final Recommendations

In conclusion, while olive oil is a highly beneficial dietary fat, the notion that drinking it straight offers enhanced benefits is largely unsubstantiated. The potential downsides—calorie overload, digestive issues, and nutrient imbalance—make it a less-than-ideal practice for most people. Instead of gulping it down, savoring it as a flavorful and healthy component of balanced meals remains the most effective and enjoyable way to reap its numerous health rewards. Prioritizing a varied diet rich in whole foods and using olive oil in moderation is the most prudent strategy for long-term health and wellness.

Frequently Asked Questions

Yes, drinking excessive olive oil can lead to weight gain because it is calorie-dense, with around 120 calories per tablespoon. If you don't account for these extra calories, you can easily create a caloric surplus.

Yes, excessive consumption of olive oil, especially on an empty stomach, can lead to digestive issues such as stomach upset, bloating, and diarrhea due to its natural laxative properties.

There is no scientific evidence to suggest that drinking olive oil provides superior health benefits compared to incorporating it into meals. The benefits are derived from its chemical compounds, which are effective regardless of consumption method.

Individuals taking medication for high blood pressure or diabetes should be cautious, as olive oil can further lower blood pressure and blood sugar. People with sensitive digestive systems should also start with small amounts.

Most experts recommend consuming about 1 to 2 tablespoons of olive oil daily as part of a balanced diet. This provides health benefits without contributing excessive calories.

Yes. Olive oil can interact with medications for high blood pressure, potentially causing blood pressure to drop too low. It can also affect blood sugar levels, which is a concern for people on diabetes medication.

Yes. The absorption of some nutrients, such as antioxidants in tomatoes, is enhanced when consumed with olive oil. This demonstrates the synergistic benefits of using olive oil within meals.

While rare, some people may have an allergy to olive pollen or olive oil. Symptoms can include itching, swelling, or contact dermatitis.

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.