Promo codes are available for a limited time, may have usage restrictions, and are not always compatible with other promotional offers. iHerb retains the right to modify or cancel any promotion or its terms at any time.
The following brands are currently excluded from promotional discounts: Solgar, Nordic Naturals, BioSil by Natural Factors, Bluebonnet Nutrition, BSN, Carlson Labs, DaVinci Laboratories of Vermont, Dr. Mercola, Earth Mama, Fungi Perfecti, Great Lakes Gelatin Co., Heather's Tummy Care, Isopure, Little DaVinci, Metabolic Maintenance, Motherlove, NeuroScience, Optimum Nutrition, Pixi Beauty, Terry Naturally, Thayers, Think!, Thorne Research, and Zhou Nutrition.
Certain promo codes cannot be combined. Whether multiple codes can be redeemed together depends on their type. For example, two sitewide discount codes cannot be applied simultaneously. However, in some cases, a sitewide discount code may be used alongside an item-specific discount. When this is allowed, it will be clearly stated in the promotional terms.
Rewards codes or referral links cannot be combined with other discount codes within the same order. If your cart includes both, the system will automatically apply whichever discount is greater.
Some email-exclusive promotions provide customers with unique, single-use codes. These codes are valid only for the recipient and cannot be transferred or applied by another user.
In short, an iHerb promo code can be a great way to save — whether you’re a new shopper or a loyal customer. Plus, you can earn rewards by sharing your personal referral code with friends or your audience. Full details are available on the official website.

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