When you start taking vitamins, it’s normal to experience a brief period of drowsiness. This is because your body is getting used to the new nutrients it’s receiving.

As you continue to take the supplements daily, you’ll begin to notice a difference in your overall health. Your skin will become smoother, you’ll feel more energized, and your aches and pains will ease up.

The effects will become more noticeable after two weeks of consistent supplementation. You may also see a reduction in your allergies and headaches.

It can also help you get a good night’s sleep. Vitamin B6, for example, can boost your sleep quality by preventing drowsiness during the night.

Your immune system can also benefit from taking vitamins. This is because they’re packed with antioxidants, which can fight off illness and infection.

However, if you take too many of these supplements at once, your body might not be able to absorb them well. The best way to avoid this is to eat a healthy, nutrient-dense diet and make sure you’re taking supplements with foods that are high in the vitamins you need.

If you’re taking multivitamins, they must be absorbed quickly to work effectively in your body. This is important for water-soluble vitamins, such as vitamin C.

Some of the vitamins found in most multivitamins are water-soluble, while others are fat-soluble. Depending on the type of vitamin, you can take it with food or on an empty stomach to increase its absorption.

You should also check with your doctor before you decide to take a vitamin or a multivitamin. Certain vitamins may cause gastrointestinal distress or toxicity if taken in excess. For example, too much iron can be harmful to people with hemochromatosis, a disease that causes a buildup of toxic iron in the liver.

Another potential issue is if you take too much of a single nutrient. This is most likely to happen if you’re taking a high-potency multivitamin supplement on top of a nutrient-dense diet.

For example, if you’re taking a multivitamin that contains vitamin A, D, E, and K in high doses, the combination can cause toxicity in some people.

Your urine might turn yellow, which is another sign your body is getting used to the extra nutrients. This is normal, according to celebrity chef and certified nutritionist Serena Poon.

The good news is that most people don’t have to worry about this, especially if they are eating a balanced diet. Your kidneys will naturally flush out excess vitamins and minerals through your urine.

It’s also worth noting that if you’re trying to lose weight, your vitamins might help you shed pounds more efficiently. The antioxidants found in some vitamins, such as vitamin C and vitamin E, can be a useful tool for reducing inflammation, which can help you reach your weight loss goals.

If you’re concerned about the safety of your multivitamins, talk to your doctor or a registered dietitian. They can help you find the right balance of essential vitamins and minerals for your lifestyle and can advise you on the best time to take your supplements.