Toxic Ingredients You Should Pay Attention to in Vitamin Supplements

We know vitamin supplements are good for you. They help you replace beneficial and much needed vitamins that you otherwise cannot with just diet. Now, there are millions of people taking vitamin supplements on a daily basis. And while they are healthy and beneficially, they might be dangerous in the same time. When you consume the wrong type, vitamin supplements do more harm than good. In order to help you avoid potential problems, let’s look at the list of toxins found in supplements published by the FDA.

Synthetic vitamins

Synthetic vitamins are created by using chemical compounds that you otherwise cannot find in nature. They might not be completely bad, but the problem is your body cannot utilize the vitamins. Your body cannot digest synthetic vitamins in the same way as it digests natural vitamins. The difference is natural vitamins contain ingredients from plants or food. Some of the toxic substances used in synthetic vitamins include nicotine, alloxal, and coal tars. Always avoid fat-soluble vitamins in synthetic form, as they will build up your body’s fat tissue. Those include vitamin A, E, D, and K.


Vitamins usually come with additives that help achieve the color, taste, weight, or form of the vitamin. The problem is, some manufacturers use more additives than approved. That means that the vitamin supplement will carry more risks than benefits. Some of the additives you should pay attention to include stearic acid, and magnesium stearate. Both of them are toxic flowing agents. Another ingredient you should pay attention is silicon dioxide. This ingredient makes vitamins weigh more.

Trace minerals

All trace minerals are toxic at high levels. Only nine of them should be consumed in small amounts as supplements. These nine include chromium, copper, iodine, fluorine, manganese, selenium, zinc, iron, and molybdenum. Vitamins A, E, K, and D, are toxic in large megadoses. Consult with your physician how much of the minerals and vitamins you should consume. That will help you avoid the negative consequences of mineral and vitamin overdose.

Heavy metals and chemicals

A study in 2010 sound that several fish oil supplements contain PCB, a cancer causing chemical. The chemical has been banned since 1979. However, it is still present in the environment. After the study, manufacturers like CVS Pharmacy, GNC, Omega Protein, Rite Aid, Twin Lab, and others faced lawsuits. Heavy metals like lead, mercury, arsenic, and cadmium are the ones you need to pay attention to when purchasing fish oil supplement. Always look for a manufacturer that will prove testing has been done on the ingredients and on the product as well.

Emily is head editor of She is very passionate about health and nutrition. She aspires to learn something new every day and share her knowledge through words with others.