iHerb.com is one of the world's largest online supplements stores that has excellent prices and a wide variety of products, sorted into the following categories: Supplements, Bath & Beauty, Sports, Groceries, Kids & Babies, Pets and Healthy Home. indifferent to what category you apply, a iHerb.com coupon offers a discount of approximately 10% of the order value made online today. Below is the full list of iHerb.com promo code valid for this week, coupons that have already been reviewed and tested by our team.