9 Benefits Side Effects of Peanut Oil

Peanut oil has a wide range of health benefits due to its diverse nutritional content. It is one of the healthiest cooking oils available. Although additional research is needed, it is thought to be low in cholesterol and trans fats. The majority of anecdotal data suggests that the oil is a healthier option.

However, there is a chance that the peanut oil will cause negative effects. In this article, we’ll look at both sides of the debate. We’ll also learn how suitable peanut oil is for cooking.

What Is Peanut Oil and How Does It Work?

Peanut oil is also known as groundnut oil. It’s a plant oil made from the seeds of the peanut plant.

Some people feel that peanut oil’s health benefits are mostly due to its vitamin E concentration. Vitamin E is an antioxidant that has been shown to minimize free radical damage and lower the risk of heart disease.

Peanut Oil Benefits and side effects
Not actual Peanut oil. Image only for representation.

What Is The Difference Between Different Types Of Peanut Oil?

There are several forms of peanut oil:

  1. Peanut oil that has been refined, bleached, and deodorized. The method eliminates allergens from the oil, making it safe for people who are allergic to peanuts.
  2. Cold-pressed peanut oil is made by crushing peanuts and forcing the oil out. This one keeps its flavor and nutrients longer.
  3. Gourmet peanut oil with a strong flavor that is frequently toasted.
  4. Peanut oil blends are made by combining peanut oil with another oil that has a similar flavor.


What Are The Advantages Of Using Peanut Oil?

(1) Improve cognitive health

There is no direct evidence that peanut oil can help with cognitive health. Its vitamin E content, on the other hand, may play a function.

Vitamin E has been shown in studies to support healthy brain aging in the elderly. Additionally, the vitamin may lower the risk of Alzheimer’s disease.

Supplementing with vitamin E has also been shown to improve people’s motor skills.

(2)  Reduces the risk of cancer.

Phytosterols, which are found in peanut oil, have been linked to anticancer characteristics. These substances may help to minimize the incidence of prostate and colon cancers. According to certain studies, they may lower the risk of breast cancer.

Anticancer properties of phytosterols in general have also been investigated. According to preliminary research, these chemicals may help to prevent lung, stomach, and ovarian cancers.

Some researchers believe that the polyphenol antioxidants in the peanut oil help to fight free radicals, which may help to prevent cancer. Peanut oil has the potential to operate as a natural tonic, boosting immunological function.

(3) Provide Relief From Joint Pains

Polyunsaturated fatty acids are found in peanut oil. Studies show that they have therapeutic potential in the treatment of rheumatoid arthritis joint aches.

The oil has the potential to alleviate painful joint symptoms. Peanut oil is applied straight to the skin and rubbed well, which may provide some comfort. However, there isn’t enough information on how to use peanut oil topically. Please seek medical advice before using the oil for this reason.


(4) Improve Heart Health

Vitamin E is found in peanut oil. This vitamin has been shown in studies to fight free radicals, which can cause heart disease.

Monounsaturated and polyunsaturated fats abound in the oil. These have been associated with a lower risk of cardiovascular disease. 

According to the American Heart Association, these fats can reduce the risk of heart disease by up to 30%.

According to some anecdotal data, the oil may also help to lower harmful cholesterol levels. More research, however, is required to back up this assertion.

(5) Improve insulin sensitivity

Peanut oil includes oleic acid, which has been shown to help type 2 diabetes patients produce more insulin. A high-peanut-oil diet can also help type 2 diabetes patients counteract the negative effects of inflammation.

Polyunsaturated fatty acids are also found in peanut oil. These are good fats. PUFAs have been shown to improve blood glucose levels, alleviate insulin resistance, and boost insulin secretion capability studies. In diabetics, replacing saturated fat in the diet with polyunsaturated fat improved insulin secretion.

In diabetics, a combination of monounsaturated and polyunsaturated fats (such as those found in peanut oil) may improve insulin sensitivity.

There Isn’t Enough Proof For The Following

(6) Treats Dry Skin

Topical vitamin E may help with atopic dermatitis symptoms. Red, itchy skin is a symptom of the illness, which is occasionally accompanied by dry skin.

Peanut oil applied topically may help alleviate dry skin, although evidence is limited. Some people feel the oil has hydrating characteristics, which could be beneficial. Apply the oil to your face and other troubled areas and keep it on for 20 minutes. As normal, take a bath.


(7) Delays Aging

It has the potential to postpone the onset of signs of aging.

There is no concrete evidence that peanut oil can slow down the aging process. According to some research, the vitamin E in the oil may benefit in this area.

Most over-the-counter anti-aging products contain vitamin E as a key ingredient.

Vitamin E also protects the body from the harmful effects of oxidative stress. Photoaging (the accelerated aging of the skin caused by ultraviolet light) is one of these impacts.

Although there is no study to back this up, using peanut oil topically may have anti-aging benefits. It contains vitamin E, which may help combat free radicals, which can speed up aging indications like wrinkles and fine lines.

(8) For Treating Scalp Psoriasis

According to certain research, vitamin E may help with the treatment of psoriasis, particularly skin and scalp psoriasis.

According to anecdotal research, the antioxidants in peanut oil can help treat dandruff and, in some circumstances, scalp psoriasis. This could be linked to peanut oil’s hydrating characteristics.

(9) Promotes Hair Growth

According to some studies, taking vitamin E supplements can help with hair growth. However, there isn’t enough data to say whether the same impact may be accomplished with topical treatment.

Some people believe that applying vitamin E to the scalp can help thicken hair and minimize protein loss. Split ends are said to be moisturized by the oil, and damaged hair is said to be rejuvenated by it.


What Can Peanut Oil Be Used For?

Peanut oil can be utilized in a variety of ways:

(1) Vaccines

This has been going on since the 1960s. The oil was used in flu vaccinations to help people build up their immunity.

(2) Soap Making

The oil can also be used to produce soap. The soap’s conditioning properties can help to improve skin health. One disadvantage is that the oil may not last long in your soap because it might quickly go rancid.

(3) Biodiesel production

Because peanuts are more than 50% oil, one acre of them yields around 123 gallons of oil. Even though this alternative fuel is slightly more expensive, it may be the way of the future.

(4) Cooking

Peanut oil is high in monounsaturated and polyunsaturated fats and low in saturated fats. As a result, it’s perfect for cooking. It’s especially good with Asian meals, which are typically cooked in a wok.

There are a few other uses for peanut oil. 


Side Effects of Peanut Oil

Excessive consumption of peanut oil can have negative consequences. 

(1) Omega-6 Fatty Acids In Peanut Oil May Cause Allergies And Side Effects

Omega-6 fatty acids are abundant in peanut oil. Although these fatty acids are essential, too many of them might cause problems. Omega-6 fatty acids have a pro-inflammatory profile.

Omega-6 fatty acids are more abundant in the normal Western diet than omega-3 fatty acids. 

When this is the case, adding too much peanut oil can raise omega-6 fatty acid levels even more. Cardiovascular disease, non-alcoholic fatty liver disease, obesity, and inflammatory bowel disease are all linked to this.

(2) May Cause Allergies

Those who are allergic to peanuts may experience an allergic reaction to the oil. Urticaria (a sort of circular skin rash), gastrointestinal and upper respiratory tract responses and anaphylaxis are all symptoms of these allergies.

(3) Is Prone To Oxidation

The oil’s polyunsaturated fatty acids may be susceptible to oxidation. This phenomenon can occur simply by heating the oil. This oxidation can result in the production of free radicals, which can be harmful to the body (also called oxidative damage). This could lead to inflammation and immune system damage.

As a result, cooking with peanut oil regularly may not be a good idea. You might prefer a healthier option, such as olive oil (extra virgin olive oil could be a better idea).

Stick to normal amounts of peanut oil if you’re pregnant or breastfeeding (after consulting your doctor). Don’t eat too much of it. If you’re allergic to peanuts, soybeans, or other plants related to them, stay away from the peanut oil (members of the Fabaceae plant family).


Frequently Asked Questions

(1) What is a good peanut oil substitute?

Almond oil, which has a comparable high smoke point, can be used as a substitute.

(2) When it comes to peanut oil, how long does it last?

Peanut oil that has not been opened can last for up to a year. However, once opened, it only lasts four to six months. After that, it may get rancid.

(3) Is there a difference between peanut oil and olive oil?

Peanut oil contains more omega-6 fatty acids than olive oil, even though both are high in polyunsaturated fatty acids. As a result, it may not be as healthy to use peanut oil in cooking (like olive oil). Olive oil may be superior to peanut oil in terms of regular use.

(4) When it comes to heating peanut oil, how long does it take?

It takes about 10 minutes for peanut oil to heat up.

(5) What is the temperature at which peanut oil boils?

Peanut oil boils at a smoke point of 450℉.


This article provides general information about the topic and is not to be taken as medical advice or as an alternative to medical advice, treatment, and/or diagnosis. Always consult with your doctor before trying out any of the remedies/recipes suggested in the blog post.

P.S- Consider sharing this post, if you find it useful and/or interesting.

Scroll to top