Answer:

First, it's great that you are asking, as it is critical to carefully read and compare labels on dietary supplements such as vitamins, minerals, herbals, and oils. For example, 1,000 mg of fish oil listing 1,000 mg of the omega-3s EPA and DHA may be very different from a product listing 1,000 mg of "fish oil" of which, perhaps, only 25% is omega-3s. Similarly, 350 mg of "magnesium (magnesium citrate)" is very different from 350 of "magnesium citrate," as only 39.2 mg of the latter is actually magnesium compared to 350 mg of the former.

If you are a ConsumerLab.com subscriber, within each of our Product Reviews (covering more than 1,000 products), you will find the complete list of ingredients for each product that can be easily compared to competing products. Additional tables compare amounts of key ingredients, other special features, allergens, and cost, and, of course, you'll see what we actually found when we tested each product.

In addition, the National Institutes of Health, through its Office of Dietary Supplements and National Library of Medicine, provides a free Dietary Supplement Label Database in which you can look up ingredients in over 71,000 products and compare amounts of specific ingredients across products.

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1 Comments

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Shoshana18205
August 18, 2019

How do I find out if I can combine certain supplements or not

ConsumerLab.com
August 19, 2019

Hi Shoshana - Please see our CL Answer about which vitamins and minerals should be taken together or separately https://www.consumerlab.com/answers/which-vitamins-and-minerals-should-be-taken-together-or-separately/how-to-take-vitamins/. As noted in the answer, you can also find information about this in the "What to Consider When Using" and "Concerns and Cautions" sections of specific product Reviews https://www.consumerlab.com/results/.

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