VITAMIN TOXICITY SYMPTOMS: Do’s and don’ts of vitamins and supplements

Let’s face it, everything these days seems to be loaded with vitamins and minerals, from premium bottled water to your favourite fruit juice. On the surface level, these products may appear to be an excellent way to supplement your nutritional needs, especially if your diet hasn’t been the most spectacular lately. However, vitamin toxicity symptoms are real – and can sometimes be quite uncomfortable.

This article discusses the vitamin toxicity of a couple of commonly used vitamins, the dangers of taking too many vitamins, and the typical side effects. Most importantly, we’ll provide you with helpful tips and tricks to stay on the safe side. 

So, if this sounds interesting, keep on scrolling for the details.

What is Vitamin Toxicity?

A female hand puts an effervescent vitamin tablet into a glass of water

If you take your vitamins carelessly, you might put yourself at risk of vitamin toxicity or hypervitaminosis. Keep in mind: vitamin toxicity can also result from specific dietary changes, not only supplements. 

Some drugs can also boost the risk of hypervitaminosis, either by containing vitamin-based compounds or increasing your body’s absorption of a specific vitamin. 

Overall, you should certainly not take more than the suggested daily dose of multivitamins and vitamin supplements. While therapy with high-dose vitamins may help treat specific ailments and diseases, you should always consult a healthcare expert before proceeding with medication.

Water-Soluble vs Fat-Soluble Vitamins

The degree of the toxicity danger depends on whether the vitamin is water- or fat-soluble. Namely, water-soluble vitamins are utilised by the body as they are digested and are generally not absorbed in any body tissues for a while. 

In contrast, fat-soluble vitamins such as vitamin D can be kept within fat deposits for a longer time. For this reason, fat-soluble vitamins are swiftly absorbed by the body, and they might cause immediate health problems.

Common Vitamin Toxicity Symptoms

In the following section, we’ll list the most common vitamins and the toxicity resulting from taking too much of them. Please be careful with supplementation.

Vitamin C toxicity symptoms

Vitamin C is a potent antioxidant that the body uses to prevent cell damage and for tissue repair and growth. Some of the most common foods that contain vitamin C include peppers, potatoes, and citrus fruits. According to experts, the optimal dose for adult men is 90 mg per day, however for women is 75 mg daily. 

Usually, vitamin C is not considered dangerous. However, massive doses of around 2,000 mg daily might cause cramps, nausea, and diarrhoea. 

People with specific conditions such as high blood pressure are recommended to take 500 mg of vitamin C daily and blood pressure reducing medication. Goodwill’s Vitamin C tablets contain 500 mg of high-quality ascorbic acid per tablet, making them a potent supplement for people who require a stronger dose of the vitamin. Not only does vitamin C prevent chronic diseases, but it is also essential for collagen production and the proper functioning of the immune system.

Vitamin D toxicity symptoms

Vitamin D, also called “the sunshine hormone”, is important to regulate minerals and vitamins in the body. Moreover, vitamin D plays an essential role in maintaining bone structure. Although vitamin D toxicity is rare, there are some side effects associated with abuse. 

For instance, these include headaches, fatigue, sleepiness, weakness, dry mouth, loss of appetite, and vomiting. In addition, taking vitamin D in doses greater than 100 mcg per day for an extended period is unsafe, and it may result in dangerously high levels of calcium in the blood.

Goodwill’s Vitamin D supplement contains 10 μg per tablet, which will give you 200% of your recommended daily intake. Not only does this quality vitamin help with the proper absorption of phosphorus and calcium, but it also strengthens the immunity, aids in weight loss, and relieves osteoporosis.

Side Effects of Zinc

Zinc is essential for reproduction and fertility, the synthesis of protein, and healthy nails, vision, and hair. However, if you experience vomiting, stomach cramps, nausea, diarrhoea, or headaches, you may be consuming too much zinc. Furthermore, when you exceed your daily recommended dose for zinc, you may experience low copper levels, low HDL cholesterol levels, and lower immunity. 

Fortunately, Goodwill’s Zinc contains just the right amount of zinc-gluconate, 15 mg per tablet, to be exact. This adds up to 150% of your recommended daily intake. Other benefits of taking zinc include proper wound healing and prevention and treatment of respiratory infections.

Side Effects of Magnesium

Magnesium supplements help with mental calmness, muscle fatigue, strengthening bones and teeth, and relieving migraines and headaches. However, with careless supplementation, symptoms of magnesium poisoning can develop. These symptoms include nausea, urine retention, facial flushing, lethargy, depression, cardiac arrest, and muscle weakness. Like other side effects of vitamins, magnesium side effects can quickly become dangerous. 

Luckily, Magnewill Rapid contains 375 mg of magnesium per sachet, giving you just the right daily amount of magnesium. According to experts, this is the ideal nutritional reference value per day. Make sure to always purchase quality products.

Side Effects of Multivitamins

Just a while ago, we featured an article about the dangers of carelessly consuming multivitamins. (If you missed it, make sure to check it out right after this article!). In that insightful article, we explain how consumers can easily overdose with specific vitamins. Such as the fat-soluble vitamins D, A, and E. So, we always recommend opting for single vitamins instead.

Multivitamins can also be hazardous. As they may contain specific nutrients that interact with each other, such as iron and calcium. Moreover, high doses of some vitamins such as zinc (≥ 50 mg/per day) . Can lead to copper deficiency in the long run.

Unfortunately, there is also a possibility of multivitamin side effects on the kidney, especially in people with chronic kidney disease. If you are one of these people, you might need to avoid certain minerals or vitamins.

Namely, these vitamins have a higher chance of building up in the body, and they can cause harm long-term.


An old lady looks at a pile of vitamin bottles and googles vitamin toxicity symptoms on a laptop

Overall, if you’re experiencing symptoms of taking too many supplements, such as nausea, vomiting, excessive fatigue, and irregular heartbeat. Immediately seek out the help of a professional. Remember that stopping the usage of supplements typically, allow the body to restore health and repair the imbalances.

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