When to Take Vitamins During the Day?

  • Updated November 23, 2023

  • Published November 23, 2023

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When to Take Vitamins During the Day?
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    The world of vitamins and supplements can often feel overwhelming, especially regarding the question, “When to take my vitamins?”. It is a common question with a not-so-straightforward answer. In our latest post, we learn the best time to take various daily vitamins to maximize their benefits and effectiveness. Understanding the optimal timing can make all the difference in your health and wellness journey.

    When to Take Vitamins: in the Morning or at Night?

    Deciding whether to take vitamins in the morning or at night is more than just a matter of personal convenience. It’s about optimizing the absorption and effectiveness of the supplements. 

    The best time to take vitamins depends on the type of vitamin, your daily routine, and how your body responds to supplements. 

    What Are Water-soluble and Fat-soluble Vitamins?

    Vitamins can be water-soluble and fat-soluble. This classification is based on how they are absorbed and stored in the body, which influences their use and the body’s requirement for them.

    Water-soluble vitamins include the B-complex group and Vitamin C. They are not stored in the body and are dissolved in water before it can absorb them. Since the human body cannot store these vitamins, they must be a regular part of our diet to prevent deficiency. 

    Fat-soluble vitamins include Vitamins A, D, E, and K. They are absorbed with fats and stored in the body’s fatty tissue and the liver. This storage capability means they do not have to be consumed as frequently as water-soluble vitamins. 

    The solubility of these vitamins also indicates how they should be consumed for better absorption. Fat-soluble vitamins should be taken with a meal that contains fats, while water-soluble vitamins can be taken with or without food. However, some water-soluble vitamins, like Vitamin C and B vitamins, may be better absorbed when taken on an empty stomach.

    When Is the Best Time to Take Vitamins?

    Let’s break down the optimal times to take common vitamins and minerals.

    1. Multivitamins

    Multivitamins are best taken with your breakfast. This helps create a routine and ensures that the water-soluble vitamins (like B vitamins and Vitamin C) in the multivitamin are effectively absorbed. Furthermore, if your multivitamin includes fat-soluble vitamins (like Vitamins A, D, E, and K), consuming them with a meal containing fats improves absorption.

    2. Vitamin B

    B vitamins are important for energy, so taking them in the morning is ideal. Since they are water-soluble and not stored in the body, a morning dose can help maintain energy levels throughout the day. Be cautious with B12 late in the day, as it might interfere with sleep.

    Each of these vitamins is water-soluble. They work together with other nutrients to support various functions in the body.

    3. Vitamin D

    Vitamin D is advised to be taken with a meal that includes fat, typically lunch or dinner, as it is fat-soluble. Taking it with the largest meal of the day maximizes absorption. Regular sunlight exposure also helps with Vitamin D synthesis, so coordinating your supplement with daylight hours can be beneficial.

    When Is the Best Time to Take Vitamins?

    4. Vitamin C

    This immune-boosting vitamin is also water-soluble and best taken in the morning. Since Vitamin C is an antioxidant and can boost energy, morning consumption ensures you reap these benefits throughout the day. Additionally, taking it on an empty stomach can increase its absorption.

    5. Folic Acid

    Folic acid, essential for DNA synthesis and repair, is another water-soluble vitamin best taken in the morning. It’s particularly important for pregnant women or those planning to become pregnant. Taking it with breakfast helps to integrate it into a daily routine, ensuring consistent supplementation.

    6. Magnesium

    Magnesium, known for its calming properties, is best taken in the evening. It aids in muscle relaxation and improves sleep quality. Taking magnesium with dinner or just before bedtime can help wind down and promote a restful night.

    7. Omega-3 Fatty Acids

    Omega-3s are best taken with a meal that contains other fats, typically lunch or dinner. This enhances the absorption of these essential fatty acids. They don’t necessarily provide immediate effects, so timing can be flexible as long as it’s with a fatty meal.

    8. Vitamin E

    Vitamin E should be taken with a meal containing fats as a fat-soluble antioxidant. Dinner is usually the best time as it’s often the most substantial meal of the day. Regular intake with your evening meal ensures consistent absorption.

    9. Zinc

    Zinc is best taken with a meal to avoid stomach upset, which can occur if taken on an empty stomach. Since zinc is not specific to energy metabolism or sleep, it can be taken with breakfast, lunch, or dinner, depending on your routine and dietary habits.

    10. Iron

    Iron is a tricky supplement when it comes to timing. For some, taking iron in the morning on an empty stomach can enhance absorption. However, this can also cause stomach discomfort for others. Taking iron with a meal or in the evening can be more beneficial in such cases.

    Vitamins Timing Chart

    Vitamin MorningAfternoonEvening
    Vitamin B✔️
    Vitamin D✔️✔️
    Vitamin C✔️✔️✔️
    Folic Acid✔️✔️✔️
    Omega-3 Fatty Acids✔️✔️
    Vitamin E✔️


    The timing of when you take your vitamins can impact their absorption and effectiveness. Understanding the differences between water-soluble and fat-soluble vitamins is essential. Water-soluble vitamins, like vitamin C and B, can generally be taken at any time, with or without food. Fat-soluble vitamins, such as A, D, E, and K, are best absorbed with a fat meal.

    Multivitamins, which often contain a mix of both types, are typically taken with meals to optimize absorption and minimize digestive discomfort. 


    1. Harvard Health Publishing, Harvard Medical School. “The Best Time to Take Vitamins and Supplements.” Harvard Health.
    2. Mayo Clinic Staff. “Vitamin C: Why is it important?” Mayo Clinic.
    3. National Institutes of Health. “Vitamin B12.” NIH Office of Dietary Supplements.
    4. National Institutes of Health. “Calcium.” NIH Office of Dietary Supplements.


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