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. Probiotic supplements vary in strains; some include a single strain, others combine multiple. Review the Supplement Facts panel and product details.
Lactobacillus and Bifidobacterium are two groups of probiotic microorganisms commonly used in supplements. Some products contain one group, others combine both.
Some probiotic strains require refrigeration to remain viable, while others are shelf-stable due to specialized encapsulation; always check the product label for storage instructions.
CFU (colony-forming unit) count, the specific strains included and storage requirements are important factors to compare. CFU count is just one factor to consider.
Probiotic supplements are available in capsules, tablets, gummies, powders, chewables and liquids. Product availability varies by brand.
