Frequently Asked Questions
As of August 2018, iHerb is using 3rd Party Independent Labs ABC Testing, Eurofins and Alkemist to test products. Using a 3rd Party Independent Lab guarantees that the results are objective and unbiased.
iTested confirms that the information provided on a product Supplement information Panel and/or Nutrition information 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 six months.
These formulas commonly combine ingredients such as biotin, collagen, vitamin C, zinc and silicReview the Supplement Facts panel for a specific formula.
Consider the ingredients included, nutrient amounts, serving size and product format. Third-party testing and certifications vary by brand; review the product label for details.
Biotin is one of the most common ingredients in hair, skin and nail supplements, but many formulas also include collagen, vitamin C, zinc and silicFormulations vary by brand; review the Supplement Facts panel.
Review the product label for important warnings, precautions and directions for use. If you have questions about whether a product is appropriate for you, consult your healthcare provider before use.
Most hair, skin, and nails formulas are formulated for general adult use regardless of gender, though some brands offer women's- or men's-specific versions with adjusted nutrient ratios.