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Vitamin D3 Smells Fishy: Your Health and Fitness Dilemma

If you have a calcium deficiency in your body, you should first see a doctor. Doctors may suggest that you should consume vitamin capsules such as vitamin d3. It may give out a fishy odor the first time you use it.

So, a question may arise: why does vitamin D3 smells fishy?

The major reason why vitamin d3 may smell fishy is the carrier oil. The carrier oil used in Vitamin d3 is often made from fish oil. However, it does not have a strong smell. Then there are gel caps. Some gelatin is manufactured with fish products, especially kosher gelatin, which gives it a fishy smell.

So, if your vitamin d3 has a fishy smell, we believe we have a solution for you! To learn more, simply go through the article.

Vitamin expiration dates are very conservative to guarantee that consumers obtain high-quality items. Avoid taking vitamins that have passed their expiration date for the best results. These vitamins could be less effective.

Table of Content

Vitamin D3 Smells Fishy?

If you are consuming vitamin d3, then you may have a question: why does vitamin d3 smell like fish? Vitamin d3 has a smell, but it’s not a strong smell. Pills like omega-3 and hemp seed oil have more smell than vitamin d3. 

What Causes That Smell?

Pills like vitamin d3 and omega-3 contain fish oil. Vitamin d3 is made of fish liver oil. 70.6 IU of vitamin d3 is present in each milliliter of fish liver oil. 


Again, for enhancing absorption, fish oil is added with a soft gel capsule. Because of these reasons, vitamin d3 has a fishy smell. 

For the Smell Is It Safe to Consume?

Yes, vitamin d3 is safe to consume. If people can consume omega 3, then there is no harm in consuming vitamin d3. It is supposed to have a little smell. This is because of the fish liver oil mentioned above. 

Which Vitamin Causes Body Odor?

Vitamin B1 and B vitamin choline are the vitamins that cause fishy body odor. If consumed in excess amounts, then through urine, thiamin is excreted. It also excretes through the skin and changes body odor.

Does Vitamin D3 Go Rancid?

In general, the possibility is less of having vitamin d3 go rancid. Their potency decreases when exposed to room temperature. But, it’s not harmful to digest. 

Vitamin loses its potency because the ingredients present in it gradually break down. Simply speaking, over time, they lose power. 

Shelf Life of Vitamin D3

Unlike other medications, vitamin supplement manufacturers do not include an expiration date. Some companies voluntarily place a “best before” or “use by” date on the lid or label.


The standard shelf life for vitamins is two years. However, this varies depending on the type of environment they are exposed to. If the vitamin capsules are stored properly, they can be used for several years. 

The catch is they will gradually lose their potency. This is one of the reasons vitamin d3 has a consumption cycle like other supplements. And it’s appreciated to complete it within the given time.

Ways to Extend Vitamins’ Shelf Life

Vitamins should be kept cool and dry in their original containers. For easy access, you may store your vitamins in the bathroom or kitchen. 

These are, believe it or not, the two worst storage locations. Bathrooms and kitchens are frequently hotter and more humid than other areas of the house.

3 Ways to Extend Vitamins’ Shelf Life

Try to maintain these rules. It will help you store your vitamins for a longer period. And, will also help to retain potency.

  • Keep vitamins in a closed environment, such as a closet or a drawer. 
  • Avoid vitamins from getting exposed to light. Or else it will lose its potency. 
  • For products that are less stable at room temperature, a refrigerator can help to extend their shelf life. 

Can You Get Sick If You Consume Expired Vitamin D3?

You will not get sick if you consume expired vitamin d3. It is quite unlikely that taking an expired vitamin or supplement can hurt you. Vitamins rarely go bad. 

There have been no documented cases of illness or death caused by expired vitamins to date.

Vitamin expiration dates are very conservative to guarantee that consumers obtain high-quality items. Avoid taking vitamins that have passed their expiration date for the best results. These vitamins could be less effective.

Here is a recommended product for you that will help you ‌resist disease:

Omega KrillOmega3 supplement that will help you resist serious diseases by fighting inflammation.

It is a great product to consume with vitamin d3 to protech yourself from autoimmune diseases. It will give you added benefit to increase your bones strength and keep your heart healthy. 

Ways to Dispose Expired Vitamins

Expired vitamins disposal should be done correctly. Never dispose of them in the trash, as this may expose children and pets in the home. Avoid flushing them through the toilet. This could contaminate the water supply.

Recommended ways:

  • Combine the vitamins with cat litter or old coffee grounds. 
  • Fill a sealed bag or container with the mixture.
  • Place the entire container in the garbage can.

You can also look online whether your city offers a hazardous waste drop-off center.

Any Side Effects of Consuming Expired Vitamin D3

Expired vitamin d3 is not harmful. However, if it has lost its potency, it may be a waste of time and money. Side effects of consuming vitamin D are rare. But if you consume excess amounts, you will face some side effects. 


It can cause liver toxicity, kidney failure, vomiting, weakness, weight loss and muscle pain. It can also be the reason for chest pain, shortness of breath and growth problems. 

If the vitamins have changed color, then you should avoid them. Instantly throw it out and buy a new pack. Consult your doctors as soon as you are facing the side effects. 

Who Should Not Consume Expired Vitamins?

Vitamins do not become poisonous when they expire. They just lose their potency. If the supplements are stored in a wet, warm, and moisturized area, then mold will be produced. And moldy vitamins should not be consumed at all. 

But, people consuming expired vitamins can be at risk. 

If pregnant or trying to conceive women consume expired vitamins, they may not get enough nutrients. The lack of nutrients also affects the development of the baby. This will cause more problems if the mother already lacks nutrients. 

Expired vitamins will also affect people who suffer from vitamin deficiency. This affects people who have a stomach or intestine malabsorption problem. 

To be on the safe side, go to your nearest health care provider and consult with them. They will guide you in the right direction and suggest the right supplements. 

Alternative Vitamin D3 That Does Not Smell Fishy

There are no alternatives of vitamin d3 that do not smell fishy. As all synthetic vitamin d contains fish oil. But hold on, there are natural ways to consume vitamin d3.

Vitamin D-rich foods are few and far between. Flesh from fatty fish and fish liver oil, such as salmon, mackerel, and tuna, are the finest sources of vitamin D3. You will also find vitamin d3 from egg yolks, cheese and beef liver but in small amounts. 

You can also consume vitamin d3 from pure orange juice and almond milk unsweetened. 

What Supplement Makes You Smell Like Fish?

Choline, which is found in many multivitamins and B-complex supplements, has been associated with a fishy odor. Only in those who have trimethylaminuria, a rare metabolic condition. 


They lack enzymes that normally cause the excretion of a fishy-smelling substance called trimethylamine in urine.


What Are Vitamin D Toxicity Symptoms?

An increase in calcium levels in the blood is the most common indication of vitamin D poisoning. This can be the reason for frequent urination, nausea and vomiting. Vitamin D toxicity can lead to bone pain and kidney issues, including calcium stone formation.

Is There A Downside In Taking Vitamin D3?

Downsides in taking Vitamin D3 include weakness, dry mouth, nausea, vomiting, and other negative effects. Long time consumption can be dangerous, as it can increase blood calcium levels. Excess blood calcium can cause bone weakening and kidney stones, besides inferring with heart and brain function. 

What Does Vitamin D Do For The Brain?

Vitamin D supports calcium homeostasis, protects the brain, and regulates the immune system. It also has a role in regulating numerous brain-related genes. Vitamin D sometimes acts as a steroid that plays a vital role in the brain.


We have tried to provide all feasible answers to your question: does vitamin D3 smells fishy? So, are we able to clear your doubts?

Always check the color of your capsules. And, check if any mold is produced or not. The main thing for longer shelf life for vitamins depends on the way you store it. 

Thank you so much for sticking with us all the way to the end!

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