Frequently Asked Questions
As of August 2018, iHerb is using 3rd Party Independent Labs ABC Testing, Eurofins and Alkemist to test product. Using a 3rd Party Independent Lab guarantees that the results are objective and unbiased.
iTested confirms that the information provided on a product Supplement Facts Panel and/or Nutrition Facts Panel is correct. Products are also tested to confirm Clean Label Standards such as a Microbial Analysis and a Heavy Metal Analysis.
The test methods are referenced on each iTested product document.
Products will be tested every 6 months.
No. Products may contain a single form of magnesium or a combination of forms. Review the Supplement Facts panel to identify the form(s) in a specific product.
Magnesium glycinate and magnesium citrate are two forms of magnesium used in supplements. Products are available in either form, with varying dosages, formats and ingredient combinations.
Magnesium supplements are available in tablets, capsules, powders, gummies, liquids and other formats. Product availability varies by brand.
Magnesium supplements differ by form, dosage, delivery format and additional ingredients. Comparing these characteristics can help when evaluating options.
Yes. Some contain a single form while others combine multiple forms. Review the Supplement Facts panel to identify the form(s) included.