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.
Collagen supplements are commonly sourced from bovine, marine, chicken or other animal-derived ingredients. Product formulations vary by source.
Type I, Type II and Type III are different forms of collagen used in supplements. Products may contain a single type or a blend, depending on the formulation.
Marine and bovine collagen are different sources of collagen used in supplements. Neither source is inherently better, and products vary by formulation and ingredients.
Powder collagen can be mixed into drinks or food, while capsules offer a premeasured serving. The primary difference is delivery format, though formulations vary by product.
No. Collagen is an animal-derived protein. Consumers looking for vegan options may find plant-based collagen-support formulations that contain different ingredients.
