What Happens To Your Body When You Start Taking Vitamins

By Kim Fields

Published: April 16, 2025

What Happens To Your Body When You Start Taking Vitamins

We all know that without proper nutrition, the human body ceases to survive. As we progressed as a being, we modified our lifestyle according to our nutritional needs and have dedicated time slots for consuming food.

But, we realized with our progress that having a dedicated time slot is not enough. We must have a set amount of vitamins, minerals, and other essentials in our diet to keep our bodies running.

Our progress ensured we found a quick way around our dedicated nutritional needs, too. Now we have dedicated vitamin and mineral supplements that make sure to compensate for the lack in our diets. Any essential miss in our diets is taken care of by modern edge supplements which are backed by years of research.

Now we have easy access to pills, powders, and liquids of essential vitamins and minerals like vitamin A, vitamin B-complex, vitamin D, Calcium, Iron, Potassium, Iodine and so much more. It ensures our bodies are not only up and running, but also makes them prone to adversities and much more. This blog explores that extent and highlights the various ways a vitamin supplement is beneficial.

Here’s what happens in your body when you start taking vitamins:

There is always a possibility that your diet plan misses out on one important vitamin or the other. Sometimes it is impossible to adhere to all of our bodies' demands in our fast-paced lifestyle. This results in lethargy, a weakened immune system, trouble with eyesight, skin, hair and so much more.

But, as we rely on supplements with time, we will be able to identify distinctive changes in our body all the more for the better. Not only it will help us feel rejuvenated, but has other critical benefits that include mostly the following.

Energy Boost: Vitamin supplements like B vitamins (B12, B6, Folate) help in reducing fatigue and enhance overall metabolism. Regular intake helps you be active and take up more tasks efficiently.
vitamin C, D, or Zinc helps in improving your immune system and helps you be more healthy with less vulnerability against infections. Along with that, prolonged consumption of vitamin D, K, Calcium, and Magnesium contributes to bone density and reduces any external physical damage.
Vitamins are also essential in improving cognitive function. Omega-3, vitamin D, and B12 help reduce brain fog and overall mood, increase focus, and sharpen your learning skills. It is also a key factor in helping with anxiety and depression.

Side Effects When you Start Taking Vitamins

As we discuss the important role played by the intake of vitamin supplements in our body, it is also essential to discuss its side effects. As our physiological needs are different, it's only natural that certain things might not suit us in comparison to others.

Potential Side Effects and Considerations:

Gastrointestinal discomfort: Digestive issue is the most common and notable side effect of excessive vitamin consumption. Iron, Vitamin C, and Zinc can cause nausea, stomach pain, or diarrhea, especially when taken on an empty stomach.
Fat Soluble: Vitamins A, D, E, K are fat-soluble vitamins, which means they are stored in our body directly. So, any level of high dosage can lead to a toxic buildup and cause nausea and can even be the precursor for kidney stones.
Allergic Reactions: Some multivitamins contain allergens like soy, dairy, or artificial additives, which can trigger allergic reactions if not checked in advance.
Interference with Medications: Vitamin K and minerals like calcium and magnesium can interfere with medication and may reduce the effectiveness of certain antibiotics. Vitamin K is also known to mess with blood thinners. Along with that, iron and zinc can interface with the absorption of some medicines, whereas excessive vitamin C can interfere with medical tests.

How to Take Vitamins Safely?

It is only human to be taken aback by all these discussions about the side effects of the vitamins. But mentioning the side effects was all about giving you a heads-up on what you can expect if you do not take your recommended dosage seriously. If you are well aware of your allergies and do not have any existing co-morbidity, keeping up with the vitamin dosage is very easy.

Take fat-soluble vitamins like A, D, E, and K after your meal so that absorbing them is easier and any toxic accumulation can be avoided.
vitamin C can interfere with your vitamin B12 consumption, so you have to give a standard amount of gap between the two.
It is better to have your iron supplements on an empty stomach and if in case it causes any irritation you need to time it with a vitamin C dosage.
Taking large dosages of any mineral consecutively will lead to futile efforts, as they might compete against each other while absorption.
You have to be extra careful about the consumption of vitamin A in case you are pregnant, as it is known to cause birth defects.

What I have listed here are the few basic rules for consuming your vitamins. Consuming vitamins and minerals in a supervised way works well for the human body.

But as our physiology is different, we can never be too sure of any portable side effects. So, opting for products that have a third-party tested label or are approved by your healthcare provider is always the right way to start your multivitamin and vitamin regime.

Is There Any Benefit to Multivitamins?

If you consume a balanced diet daily, you might not benefit much from the intake of multivitamins. But if you are someone who is not sure about their nutrient intake for the day or tend to miss out on meals, a multivitamin is your ideal companion.

For someone with dietary restrictions, multivitamins are a blessing, as you can compensate for the lack of nutrients efficiently.
As our body grows old, it loses the capacity to absorb certain vitamins (like B12 and vitamin D). Relying on multivitamins helps maintain the body's intake of such crucial vitamins without any hassle.
Expecting mothers, people with anemia, or those recovering from illness may require extra nutrients that multivitamins can provide easily.
Multivitamins can also provide relief to people who tend to fall sick frequently by aiding the immune system with the required vitamins.

Should You Take a Multivitamin Every Day?

The answer to this question will vary as per your dietary situation and your present health conditions. The idea behind a dedicated multivitamin supplement is to compensate for the lack. So, whether you should take a multivitamin daily depends on your diet, lifestyle, and health needs.

The best approach in this situation will be to consult a healthcare professional and understand your body or if you have any existing medical condition. Honestly, relying on a multivitamin seems like an easy way out. But, you should take them only when needed, rather than relying on them as a substitute.

If you wish to develop a healthy relationship with multivitamins, you must choose high-quality, well-balanced, and certified products backed by quick approval from your physician.

Conclusion

Vitamins and multivitamins play a crucial role in maintaining overall health, filling nutritional gaps, and supporting various bodily functions. While they can be beneficial, they should never replace a well-balanced diet. Along with that, you have to be mindful of your existing health conditions before deciding on a dosage for yourself.

The key to making the most of vitamin supplements lies in understanding your body’s needs, consuming them in appropriate doses, and ensuring they align with your lifestyle and dietary habits.

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Frequently Asked Questions

What are the benefits of taking vitamins daily?

For the human body to function efficiently, there needs to be a daily intake of vitamins and minerals in a sufficient amount. While a balanced diet is the best way to get these nutrients, taking vitamins daily can provide several benefits, especially if there are gaps in your diet. A daily vitamin intake ensures more energy, a better immune system, stronger bone health, and improved brain function and mood.

How long does it take to notice the effects of vitamins?

The period required for a vitamin to show its effects usually varies from person to person and is dependent on the dosage. Typically, some vitamins show results quickly, while others take weeks or even months to make a noticeable difference. With B Vitamins (B12, B6, Folate), Zinc, and vitamin C you can expect changes within the first week itself as compared to the others.

Can taking too many vitamins be harmful?

Yes, taking too many vitamins can be harmful, especially if consumed in excessive doses over time. While vitamins are essential for overall health, too much of certain vitamins and minerals can lead to toxicity and unwanted side effects. It can lead to digestive issues, fat-soluble vitamin toxicity, kidney and liver issues, interference with your ongoing medication and so much more.

What are the best vitamins for boosting energy levels?

Vitamins play a crucial role in making you feel energized throughout the day. It can help you with an energy boost, help regulate your mood, help fight anemia, fight muscle cramps and fatigue and so much more. Some popular examples include :

Vitamin B12: Helps fight fatigue
Vitamin B6: Helps the body produce neurotransmitters like serotonin and dopamine, which regulate mood and energy.
Iron: Essential for oxygen transport in the blood.
Magnesium: Helps with muscle function, nerve signaling, and energy production at the cellular level.
Vitamin D: Supports bone health and muscle strength. Etc.

Do vitamins help improve immune function?

Yes! Vitamins are essential for keeping your immune system strong and helping your body fight off infections. They support the production of immune cells, reduce inflammation, and help your body recover faster when you are sick. For example, vitamin C helps produce white blood cells, which fight infections. It also supports faster healing. Along with that, vitamin D is known to boost the immune system, vitamin A is essential for maintaining healthy skin and mucous membranes, etc.

Is it better to take individual vitamins or a multivitamin?

The decision to rely on multivitamins or go for one particular type will depend on your lifestyle and dietary habits. But a quick review of the following points can help you decide better. You can opt for individual vitamins when you have a particular specific deficiency, or have certain dietary restrictions. Whereas, if your diet is inconsistent or lacks variety, a multivitamin helps cover multiple nutritional gaps.

What are the signs of a vitamin deficiency?

The human body shows various signs of vitamin deficiency including fatigue and weakness, falling sick frequently, hair loss, brittle nails, poor vision, mood swings, muscle cramps and so much more.

Can vitamins help with hair, skin, and nail health?

Yes! Vitamins play a crucial role in maintaining healthy hair, glowing skin, and strong nails. They provide essential nutrients that support growth, repair, and overall appearance. Biotin helps in reducing breakage whereas vitamin D helps with hair growth and skin cell renewal. Along with that iron also helps with hair follicles and others.

Are there any side effects of taking vitamins?

Yes, if you overdose on vitamins or do not follow the prescribed dosage you might face stomach issues, digestive problems, nausea, vomiting, or even allergic reactions.

How can I choose the right vitamins for my body’s needs?

Picking the right vitamins depends on the needs of your body, dietary plans, health goals, and lifestyle. The ideal way to do this is to identify your specific needs and proceed accordingly. Usually, a balanced diet covers most nutrients, but supplements can help if you have deficiencies. But, if you are unsure, you can always rely on a doctor and get the dosage curated to your needs.

*These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.