The Role of Birth Control in Nutrient Depletion

Did you know that your birth control might put you at risk for having nutrient deficiencies?!


It has become incredibly common for women to regularly take oral birth control pills. As stated

by the CDC, in 2017, 22% of women in the US were taking the pill as their chosen form of

contraception.


In this blog post, I want to share with you what nutrients you may be low in from your birth

control pills.


So, why is this a concern? Well, low nutrient levels can lead to a variety of bothersome and

unwanted symptoms. The nutrients we’ll be talking about include B vitamins like B12, B6,

Riboflavin, and Folic Acid, along with other nutrients such as Magnesium, Zinc, and Vitamin C.


Let’s start with the nutrient that is estimated to be low in a whopping 75% of Americans!


Magnesium

This nutrient is known to benefit bone health, muscle and nerve functioning, diabetes, and those

who experience migraines. People can be deficient in Magnesium for different reasons,

however women taking oral contraceptives are at a higher risk for deficiency. Birth control

actually has the ability to reduce levels of magnesium in the body.

Some symptoms of Magnesium deficiency are muscle pains, nausea, vomiting, weakness,

osteoporosis, fatigue, high blood sugar, headaches/migraines, and premenstrual syndrome

(PMS).


Wait. PMS?! Isn’t that a normal part of having a period?

NO, it’s actually not. You shouldn’t consistently experience bad PMS while on your period. You

should not be dealing with severe PMS symptoms that interfere with your everyday life!


So, the point is, in order to combat the symptoms of Magnesium deficiency, women taking oral

birth control pills should try to be extra aware of their Magnesium intake. Women can include

more food high in Magnesium into their eating plan or take a supplement if that is preferred.


The RDA (Recommended Dietary Allowance) for Magnesium in women is about 310-320

Milligrams(mg) per day.

Magnesium is found in dietary sources such as green leafy vegetables, legumes, nuts, seeds,

and whole grains.

Some foods high in Magnesium:

● Cooked black beans - 120 mg per cup

● Spinach - 156 mg per cup

● Pumpkin seeds - 168 mg per oz

● Almonds - 80 mg per oz

● Cashews - 74 mg per oz


Vitamin B6

This nutrient is known for its relationship with the brain and specifically mental health. B6 is very

important to the central nervous system and plays a role in the production of neurotransmitters.

It may be beneficial for mood regulation, brain function, reducing symptoms of depression, and

managing PMS.


It has been found that the correlation between birth control pills and depression may be a result

of the pills tendency to cause Vitamin B6 deficiency. It is necessary for the body to have enough

Vitamin B6 in order to produce the chemical serotonin, which stabilizes a person’s mood. The

most prominent symptoms of Vitamin B6 deficiency are irritability, depression, PMS, memory

loss, and poor concentration.


Hold on a minute. Does that mean oral contraceptives can contribute to depression? Is the pill

responsible for moodiness?


Well, what happens is long term use of the pill could be depleting your body's levels of Vitamin

B6, which could then bring those issues to the surface. Now, this doesn’t mean you should stop

taking the pill in order to avoid a depletion, but you should take the necessary actions to support

your health and monitor your nutrient consumption. To alleviate the symptoms of deficiency,

women can make the necessary changes to their diet and consider the use of a supplement.


The RDA for Vitamin B6 for women is 1.3-1.5mg per day. The highest amount of B6 is found in

beef, fish, starchy vegetables, and fruits that are not citrus based.

Specific food sources of Vitamin B6 includes:

● Chickpeas - 1.1 mg per 1 cup

● Beef liver - 0.9 mg per 3 oz.

● Salmon - 0.6 mg per 3 oz.

● Potatoes - 0.4 mg per cup

● Banana - 0.4 mg per 1 medium fruit


Vitamin C

This nutrient is necessary for producing collagen, supporting the immune system, healing

wounds, and benefits bone health. Vitamin C is an antioxidant which is crucial for boosting

immunity and fighting chronic diseases.


Have you ever been told to focus on getting some Vitamin C when you're sick?

We’ve all heard the idea that Vitamin C is detrimental for fighting off or preventing the common

cold, right?! Vitamin C truly has a reputation for benefiting immune function.


Oral contraceptives like the pill have been found to potentially cause a depletion of Vitamin C,

and therefore reduce its beneficial effects on the body. Some common symptoms of Vitamin C

deficiency are scurvy, arthritis, gingivitis, poor wound healing, and infections. The possible lack

of Vitamin C from taking birth control prevents the body from fighting off infections well.


Becoming deficient in Vitamin C is not good for your overall health status, and over time can be

degrading to oral and physical health.


For women, the RDA for Vitamin C is 75mg.

The best quality of Vitamin C comes from citrus fruits or juices, and many vegetables.

Some food sources high in vitamin C are:

● Red pepper - 95 mg per ½ cup raw

● Orange juice - 93 mg per ¾ cup

● Orange - 70 mg per 1 medium fruit

● Grapefruit - 78 mg per 1 medium fruit

● Broccoli - 102 mg per cup cooked


Zinc

This nutrient is a nutrient that supports metabolism and immune functions in the body. Zinc is

important for gene expression, release of hormones, healing from wounds, neurological

function, as well as growth and development.


Some symptoms of a Zinc deficiency are weakened immunity, lack of appetite, changes in taste,

poor wound healing, and diarrhea. When levels of zinc are too low, a person is much more

susceptible to diseases and sickness.


Research has revealed that women taking oral birth control pills were displaying a lack of Zinc

and low bone density. Even more specifically relating to zinc deficiency from birth control,

women might experience acne, hair loss or thinning, and loss of period. These are common side

effects while being on birth control, but it may be caused by inadequate zinc levels.


Woah. Those are some serious side effects from birth control and zinc deficiency. Do you know

anyone who has dealt with losing their period?


Well, in some cases oral contraceptives may be responsible for amenorrhea caused by nutrient

depletion. The disappearance of a regular and healthy menstrual cycle is a huge concern, and

there’s a chance it relates to a deeper issue with birth control. Usually we wouldn’t guess that an

oral birth control pill could be causing a woman to lose their period, but in reality, this is

possible!


For women, the RDA for Zinc is 8mg.

Zinc is found mostly in red meat, poultry, seafood, beans, nuts, and some whole grain products.

Some good dietary sources of zinc include:

● Oysters - 74 mg per 3 oz

● Roasted beef - 7 mg per 3 oz.

● Cooked crab - 6.5 mg per 3 oz.

● Canned Baked beans - 5.8 mg per cup

● Cashews - 7.7 mg per cup


Vitamin B12

This is a nutrient that works to maintain the health of nerve and blood cells, red blood cell

production, creates DNA, prevents anemia, provides support for energy production, and aids

brain development. Additionally, Vitamin B12 is essential, therefore the body needs it in order to

function properly.


Some symptoms of Vitamin B12 deficiency include anemia, weakness, constipation, weight

loss, confusion, memory loss, and neuropathy. Unfortunately, oral contraceptives have been

shown to decrease the levels of Vitamin B12 in the blood leading to a deficiency in women.


In knowing that, it’s very beneficial for women to be increasing their Vitamin B12 intake

especially while on the pill.


The RDA of Vitamin B12 for women is 2.4 mcg per day.

Where can you find good sources of B12?

The best quality of Vitamin B12 comes from animal foods, and some dairy sources of dairy.

Some examples would be:

● Cooked clams - 84.1 mcg per 3 oz.

● Cooked beef liver - 5.4 mcg per 3 oz.

● Cooked salmon - 4.8 mcg per 3 oz.

● Canned tuna - 2.5 mcg per 3 oz.

● Low-fat milk - 1.2 mcg per cup


Folate

Folate is the natural form of Vitamin B9. Folate is known to make both the red and white blood

cells found in bone marrow, support tissue growth, support tissue growth, as well as DNA and

RNA production. It’s vital to producing proteins and many cellular reactions that take place in

the body.


The most common symptoms of Folate deficiency are poor appetite, tongue inflammation,

irritated gums, shortness of breath, brain fog, and irritability. A deficiency in Folate tends to

result in Folate-deficiency anemia, where there is not enough Folate in the blood. When there is

not enough Folate, red blood cells will not be produced in adequate quantities.


There are studies presenting a consistency in Folate depletion among women taking oral

contraceptives compared to women that are using other non-oral forms. Basically, birth control

could possibly be causing women a variety of confusing problems, one of which may be

anemia.


The RDA for Folate for women is 400 Micrograms(mcg) per day.

The best quality of Folate can be found in legumes, many dark leafy green vegetables, rice,

pastas, grains, and meat products.

Good examples of dietary Folate sources are:

● Cooked beef liver - 215 mcg per 3 oz.

● Cooked white rice - 180 mcg per cup

● Cooked kidney beans - 131 mcg per cup

● Cooked asparagus - 134 mcg per ½ cup (approx. 6 spears)

● Spinach raw - 58 mcg per cup

● Cooked Brussels sprouts - 156 mcg per cup


Riboflavin

Also known as Vitamin B2, Riboflavin plays a role in energy production, normal cell growth and

development, along with assisting the breakdown of carbohydrates, proteins, and fats in the

body. Riboflavin impacts the development of a person’s skin, and status of the lining within the

digestive system. This nutrient also affects the eye health by protecting the antioxidants that are

found in our eyes.


It has been discovered that oral contraceptives are linked to cases of women facing deficiencies

in Riboflavin. Some of the symptoms consistent with a Riboflavin deficiency are gingivitis, eye

irritation or itching, becoming sensitive to light, dermatitis, indigestion, and headaches. Birth

control pills are capable of reducing the absorption or utilization of Riboflavin in the body.


The RDA for Riboflavin for women is 1.1 mg per day.

The highest quality sources of Riboflavin are found in lean meats, organ meats, dairy products,

grains, and cereals.

Some good examples of food sources include:

● Beef tenderloin steak - 0.4 mg per 3 oz.

● Instant oats - 1.1 mg per cup

● Mushrooms - 0.6 mg per cup

● Almonds - 0.3 mg per 1 oz.

● Plain fat free yogurt - 0.6 mg per cup

● Scrambled eggs - 0.2 mg per large egg


Although women can focus on making dietary changes in order to combat nutrient deficiencies,

supplements are sometimes needed as it can be difficult to replace a low nutrient level with just

food. Further, you could check your cellular nutrient levels by working with a functional medicine

dietitian. We offer a free 30-minute meet and greet call at Oswald Digestive Clinic if you’d like to

discuss further, and you can schedule this here.


But WHY can’t I just supplement on my own? I thought supplements were safe?


For the most part, they are, but in some cases, they can be dangerous because of medication

interactions and other reasons. A person’s full medical history should be taken into consideration when making supplement recommendations, as well as the quality of the supplement being recommended due to the industry not being well regulated.


If your provider has given the okay to take Magnesium, then you will likely want Magnesium

Glycinate, which is one of the best absorbed forms. A good Magnesium Glycinate supplement

can be found here.



So, do all of these potential nutrition concerns mean that women should stop taking the pill?


We are not giving medical advice in this article, but you should make sure to weigh the potential

benefits to the potential risks with your healthcare provider.


Additionally, if you were put on the pill for PMS symptoms, it might be time to consider what may

have been the root cause of those PMS symptoms in the first place. The pill might simply be a

band aid.


These are all considerations you should be weighing out with your doctor. Dietitians do not

make any medication recommendations, but we do understand how medications like birth

control can impact nutrition.


If you’re having issues with the pill, you should look into the possibility of nutrient deficiencies

being a potential root cause and make changes necessary to improve any deficiencies found.

Working with a functional nutrition dietitian is important to properly evaluate this.


Overall, I hope that this summary of nutrient deficiencies caused by oral contraceptives gives

you a better understanding of how the pill may be affecting your nutrient status and well-being.


There’s always something to learn!

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