Breast Health Vitamins: Breast Cancer Risk and Vitamin D

Vitamin D is sometimes called the “sunshine vitamin.” The reason is that the human body produces it when it experiences sun exposure. You can also get it from dietary supplements and healthy food.

Woman measuring breast size

We know that Vitamin D is good for bones and teeth. However, some studies show it might also help to lower a woman’s risk of breast cancer. In order to prevent cancer, it’s important to boost the growth of healthy cells and limit the growth of cancer cells. That’s why it’s important to get breast health vitamins like Vitamins A, C, D, and E. One of the main features of these vitamins is they’re high in antioxidants. This helps to provide better protection from cancer cells. Even if you already have cancer it’s critical to prevent the cancer cells from spreading to other body parts.  

There are different ways you can boost your body’s levels of Vitamin D. You can eat certain foods like beef, eggs, and cheese. For more convenience, you can take dietary supplements that contain a bone-friendly vitamin. Another option is to simply get more sunlight during daylight hours. There’s been a lot of research about the effects of Vitamin D in fighting different illnesses and diseases. It seems to be effective in reducing the risk of certain types of cancer including breast cancer. Even if you’ve had these cancer tumors in this body part you can also help to prevent cancer by consuming more Vitamin D.  

Breast Health Vitamins: Vitamin D

It’s interesting that Vitamin D isn’t technically a vitamin but instead is something known as a “prohormone.” That’s because vitamins must be consumed through food or supplements. The human body can actually make Vitamin D when sunbeams contact the skin.

Fun Fact: Vitamin D is sometimes called the “sunshine vitamin.” The reason is that the human body produces it when it experiences sun exposure. You can also get it from dietary supplements and healthy food.

There are various reasons why it’s critical to get enough Vitamin D. For example, they help to keep your teeth and bones strong. It might also help to fight various health conditions like type-1 diabetes, cancer, and multiple sclerosis (MS).

Here are some of the jobs Vitamin D has in the human body:

  1. Fight growth of cancer cells
  2. Make the brain, central nervous system (CNS) and immune system stronger
  3. Boost heart and lung health
  4. Control insulin levels and manage diabetes
  5. Maintain healthy teeth/bones

Studies show you can get enough Vitamin D if you get up to 10 minutes of sun exposure 2x or 3x each week. However, the body also uses Vitamin D quickly so this could become a problem in winter when there’s less sunlight. In fact, some studies show that many people around the world don’t get enough Vitamin. D.

There are various benefits of Vitamin D including:

People often consume dairy to boost their Vitamin D levels. This is a good option but the body absorbs foods better than fluids. So, if you want to enjoy longer-lasting benefits of the vitamin it’s better to go with foods over beverages.

Here are some of the best sources for Vitamin D:

  • Cod liver oil
  • Herring, sardines, swordfish
  • Chicken eggs
  • Skim milk (fortified)
  • Canned tuna

Consuming enough Vitamin D can help to prevent health issues related to vitamin deficiency.

Vitamin D for Cancer Risk

Another reason to make sure you’re getting enough Vitamin D is to boost health cells and fight cancer cells. Several studies show that it might help to lower women’s breast cancer risk. This is by slowing down the growth of cancer cells and increasing the growth of healthy cells.

There are different ways you can get enough Vitamin D. they include consuming foods that are high in Vitamin D including beef, eggs, dairy, and some fish. Food is always the best source of nutrients but you can also get more of the vitamin by taking dietary supplements.

You can also increase your exposure to sunlight. You don’t need a lot. For example, you could get 15 minutes of sunlight exposure just 3x per week. This can give you the recommended daily value (DV) of the vitamin.

Fun Fact: You can’t overdose on Vitamin D from sun exposure. However, you shouldn’t have unlimited exposure to sun rays since it could cause other health issues like ultraviolet (UV) light.

Studies show that exposure to sunlight can help to reduce your risk of some kinds of cancer like skin cancer. There are various factors that can affect the amount of Vitamin D your body makes due to sunlight:

  1. Distance from Earth’s equator
  2. Number of daylight hours
  3. Skin tone

Getting more Vitamin D might help to prevent the growth of cancer cells. Some studies suggest that an active kind of Vitamin D might slow down the growth of cancer cells. That’s done by slowing down the growth/development of blood vessels in cancer tissues.

This helps to boost the death of cancer cells, which prevents the cells from growing and spreading. When you get enough Vitamin D it benefits 200+ different human genes. Meanwhile, these genes can be affected if you aren’t getting a high enough level of Vitamin D. That can affect your risk of cancer tumors.

Top Healthy Vitamin D Foods


This is one of the fatty fishes you should consider eating more of to boost your Vitamin D. There are different varieties like smoked, canned, and pickled. If you’re brave enough try it raw. One serving provides almost 3x the recommended DV.

Cow’s Milk

This milk is a good source of many nutrients including Vitamin D, calcium, and phosphorous. You can find cow’s milk on the market that’s Vitamin D-fortified. This usually provides about one-fifth of your DV.


This popular shellfish isn’t just delicious but also nutritious. Besides being high in Vitamin D it’s also low-fat, which is different from several other seafood sources of the vitamin. Another big benefit of shrimp is the high amounts of healthy omega-3s.

Cod Liver Oil

This is a dietary supplement that’s good for people who don’t like the fishy taste of fish. However, you still get lots of health benefits from fish oil besides Vitamin D like omega-3 fatty acids. You also get 90% of the recommended DV in a single teaspoon. That’s right!


This fungus is actually the only plant-based food that provides Vitamin D. It’s interesting that it produces the vitamin when it’s exposed to ultraviolet light like humans. Mushrooms are a good source of Vitamin D2 in particular.

Egg Yolks

Wait—aren’t the yolks high in cholesterol? Yes, and it’s the good kind. The egg yolks are also high in other nutrients like Vitamin D. You also get other nutrients like protein, minerals, vitamins, and fats.


This is one of the most popular fatty fishes you can eat and it’s also high in Vitamin D. In fact, one serving of the healthy fish provides lots of Vitamin D. In order to get the best results, you should consider wild-caught salmon versus farmed fish for breast health vitamins.

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