常见问题解答 截至 2018 年 8 月，iHerb 使用第三方独立实验室 ABC Testing、Eurofins 和 Alkemist 进行产品测试。使用第三方独立实验室可确保结果的客观性和公正性。
iTested 确认产品补充剂成分表和/或营养成分表提供的信息是准确的。还对产品进行了如微生物分析和重金属分析之类的测试，以确认清洁标签标准。
每份 iTested 产品文档都注明了测试方法。
将每6个月对产品进行一次测试。
No. Some contain only CoQ10, while others include additional vitamins, minerals or other ingredients. Review the Supplement Facts panel to compare formulations.
Ubiquinone and ubiquinol are two forms of CoQ10 used in supplements. Ubiquinone is the oxidized form; ubiquinol is the reduced form. Products vary by form, dosage, format and other ingredients.
Ubiquinol, the reduced form of CoQ10, is generally more expensive to produce than ubiquinone, one of the bigger price differentiators. Softgel vs capsule format and overall potency also contribute.
CoQ10 supplements are available in softgels, capsules, chewables, gummies and liquid formulations. Product availability varies by brand.
Some CoQ10 supplements are formulated with additional antioxidants such as vitamin E, while others contain CoQ10 alone. Combination formulas are one of several formulation options.
