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Inactive Ingredients

Phosphate Additives in Food

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Are phosphate additives, such as trisodium phosphate and dicalcium phosphate, a health concern? Find out in our article about Inactive Ingredients in supplements and foods.

Tooth Stains from Food Colorants

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Find out which food colorants appear to increase staining of the teeth in the Coloring Agents section of our Inactive Ingredients Review.

Cancer-Causing Sweetener?

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Acesulfame potassium is a sweetener in some of the products that we have tested. A CL member asked if it can cause cancer. Find out in the Sweetening agents section of our Inactive Ingredients/Excipients in Supplements Review Article.

Can a Natural Colorant Cause Adverse Effects?

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A CL member recently asked if purple carrot powder in his supplement might have caused symptoms such as chest tightness and headache. Find out in our updated article about Inactive Ingredients/Excipients.

Whitener In Many Pills May Not Be Safe

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Titanium dioxide, which is commonly used to whiten pills, is not safe according to the European equivalent of the FDA. Find out why in our Review Article about Inactive Ingredients.

Concern With a Colorant

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Titanium dioxide is a common white colorant in foods and supplements. A recent study in mice, however, suggests that it may affect the gut. For details, see the updated Titanium Dioxide section of the Inactive Ingredients/Excipients article.