We all know the importance of vitamins and minerals for good health, but have you ever heard of fat-soluble vitamins? These essential nutrients are found in fatty foods and are important for maintaining a healthy body. 

Fat-soluble vitamins examples include Vitamins A, D, E, and K. Since they are fat-soluble, they can be stored in the body’s fat cells and released when needed. They are not as easily absorbed by the body as water-soluble vitamins, so they must be consumed regularly to maintain optimal levels in the body. 

Fat-soluble vitamins deficiency can lead to a number of issues like dry skin, weight gain, fatigue, night blindness, bone weakness, and joint pain. Taking fat-soluble vitamins through diet or supplement form is key to ensuring you're getting enough of these nutrients for overall health and well-being.

In this article, we'll explain what fat-soluble vitamins are, why you need them, and how to get them into your diet.

What Are Fat-Soluble Vitamins

You may wonder: what are fat-soluble vitamins? The fat-soluble vitamins definition refers to nutrients that are stored in the body’s fatty tissue and which require a fat molecule to be absorbed into the bloodstream. This means that it is important to consume some healthy fats – such as olive oil or avocados – when taking these supplements in order for them to be adequately absorbed.

Put simply, fat-soluble vitamins are primarily dissolved in fats and oils, rather than in water. They are then stored in our body’s fatty tissues and liver, and require the presence of dietary fat in order to be absorbed by the body. Therefore, these vitamins are not expelled as quickly as water-soluble vitamins and can remain in our bodies for longer periods of time.

Although fat-soluble vitamins don't need to be consumed daily, it is important to take these vitamins regularly to ensure the proper functioning of the body's organs and systems.

Fat Soluble Foods

Fat-soluble foods are foods that contain fat and that are absorbed into the body through the intestines. These foods contain essential fatty acids, vitamins, and minerals which are important for overall health. In addition, all fat-soluble vitamins are best absorbed when consumed with fat from food sources. 

When it comes to fat-soluble vitamins, foods that are best for absorption include:

• Omega-3 fatty acids: Fatty fish, eggs, nuts, and seeds
• Saturated fats: Animal meats and dairy products
• Plant-based oils: Canola, sunflower, olive oil, and more
• Fortified foods: Fortified cereals and grains

Fat-soluble vitamins are also present in other food sources such as dark leafy greens, avocados, fruits, and vegetables. 

You should consume an adequate amount of fat-soluble vitamins as part of a healthy diet for several reasons. First, they provide essential fatty acids which are necessary for cell structure and for the absorption of nutrients. They also provide essential vitamins which are necessary for a variety of bodily functions.

It is important to note that while fat-soluble foods are beneficial to the body, they should be consumed in moderation. Too much fat can lead to weight gain and may increase the risk of health complications. It is recommended to consume a balanced diet with a variety of foods in order to ensure adequate nutrition. 

Additionally, you should be aware of any allergies or sensitivities to certain fats or vitamins in order to avoid any potential adverse effects.

Better Absorption with Better Family

For families looking for a simple way to support proper absorption of fat-soluble vitamins, Better Family’s Liquid Daily Multivitamin offers a convenient, bioavailable solution. Because it’s liquid and methylated, it improves uptake by the body—especially for individuals with MTHFR gene mutations or digestive sensitivities. Taken sublingually or with healthy dietary fats, Liquid Daily ensures that vital nutrients like Vitamins A, D, E, and K are absorbed efficiently and stored properly for long-term wellness.

Sources

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2. “Gastrointestinal tract 4: anatomy and role of the jejunum and ileum”. Nursing Times, 19 August 2019, https://www.nursingtimes.net/clinical-archive/gastroenterology/gastrointestinal-tract-4-anatomy-role-jejunum-ileum-19-08-2019/. Accessed 10 January 2023. 
3. Nguyen, David. “What Is a Micelle in Biochemistry?” Sciencing, 24 September 2018, https://sciencing.com/hydrocarbon-chains-relationship-fats-biology-6143.html. Accessed 10 January 2023.
4. Harvard T.H. Chan School of Public Health. “Vitamins and Minerals.” https://www.hsph.harvard.edu/nutritionsource/vitamins/. Accessed 13 June 2025.