Soybean oil
Soybean oil

Background

Soybean oil is oil produced from the seeds of the soybean plant.

Chemicals from soybean oil, called plant sterols, are used for high cholesterol. Soybean oil is also used as a mosquito repellant and as a nutritional supplement in intravenous feedings.

Be careful not to confuse soybean oil with other soy products or avocado soy unsaponifiables.
When taken by mouth: Soybean oil is LIKELY SAFE for most adults when taken by mouth in amounts normally found in food. There isn't enough reliable information to know if soybean oil is safe when used in the amounts found in medicine.

When applied to the skin: Soybean oil is LIKELY SAFE when applied to the skin as an insect repellent in recommended amounts.

Special Precautions & Warnings:

Pregnancy and breast-feeding: Soybean oil is LIKELY SAFE when pregnant or breast-feeding when used as part of the diet. But there isn't enough reliable information to know if soybean oil is safe to use in the amounts found in medicine when pregnant or breast-feeding. Stay on the safe side and stick to food amounts.

Peanut or soybean allergy: People who are allergic to peanuts, and other plants that are members of the Fabaceae/Leguminosea family might also be allergic to soybean oil.

Effectiveness

NatMed Pro rates effectiveness based on scientific evidence according to the following scale: Effective, Likely Effective, Possibly Effective, Possibly Ineffective, Likely Ineffective, Ineffective, and Insufficient Evidence to Rate.
Likely effective Effectiveness definitions
  • Mosquito repellant. Soybean oil is an ingredient in some commercial mosquito repellents. It seems to work about as well as some other mosquito repellents, including some products that contain about 4.7% DEET. But it doesn't last as long as products that contain 10% to 35% DEET.
Possibly effective Effectiveness definitions
  • High cholesterol. Soybean oil in the diet seems to help lower total cholesterol and LDL (or "bad") cholesterol, but it might also lower HDL (or "good") cholesterol.
There is interest in using soybean oil for a number of other purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

The following doses have been studied in scientific research:

BY MOUTH:
  • For high cholesterol: Foods containing soybean oil have been used.
APPLIED TO THE SKIN:
  • For mosquito repellant: Applying a 2% soybean oil product, such as Bite Blocker (HOMS LLC), to the skin every 2 hours has been used.

Interactions with pharmaceuticals

It is not known if Soybean Oil interacts with any medicines. Before taking Soybean Oil, talk with your healthcare professional if you take any medications.

Interactions with herbs & supplements

Blond psyllium: Blond psyllium reduces the absorption of fat from soybean oil.
Chlorogenic acid: Soybean oil might increase the amount of chlorogenic acid that the body absorbs from supplements.

Interactions with foods

There are no known interactions with foods.

Action

Soybean oil contains unsaturated fatty acids which might help to lower cholesterol levels.
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This monograph was last reviewed on 30/04/2023 10:00:00 and last updated on 19/06/2012 21:54:01. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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