The Complete Guide to iHerb Promo Codes

Promo codes are the most popular and widely recognized way to save money on iHerb.

Unlike automatic discounts, promo codes must be entered manually during checkout. Once a valid code is applied, the discount is calculated automatically based on the promotion’s terms.

However, not all promo codes work the same way. Some apply to almost your entire order, while others are limited to specific brands, product categories, countries, or even purchases made through the iHerb mobile app.

This guide explains every type of iHerb promo code, how each one works, and how to avoid common mistakes when applying discounts.

What Are iHerb Promo Codes?

An iHerb promo code is a promotional code that provides a discount when entered during checkout.

Unlike automatic promotions, promo codes require one additional step—you must enter the code before completing your order.

Depending on the promotion, a promo code may:

reduce the price of your entire order;
apply only to selected brands;
work only for specific product categories;
be available only in certain countries;
require shopping through the iHerb app.

Once a valid code is entered, iHerb automatically calculates the eligible discount.

How to Apply an iHerb Promo Code

Using a promo code is simple.

Add your products to the shopping cart.
Proceed to checkout.
Enter your promo code in the Promo Code field.
Click Apply.
Verify that the discount appears before completing your order.

Example – Applying an iHerb Promo Code

In the example above, the promo code has already been entered into the Promo Code field. After clicking Apply, iHerb confirms that the code has been accepted by displaying a confirmation message with the applied discount and estimated savings. This is the easiest way to verify that your promotion has been successfully activated before placing your order.

If the code doesn’t work, one or more promotion conditions may not have been met.

Types of iHerb Promo Codes

Although all promo codes are entered the same way, they serve different purposes.

The five main categories are:

Sitewide Promo Codes
Brand Promo Codes
Category Promo Codes
Regional Promo Codes
App-Exclusive Promo Codes

Let’s look at each one.

1. Sitewide Promo Codes

Sitewide promo codes are the broadest type of iHerb coupon.

Instead of applying to just one brand or category, they work across a large portion of the iHerb catalog.

However, sitewide doesn’t always mean every product.

Some exclusions may apply, including:

gift cards;
already excluded brands;
certain promotional items;
products participating in incompatible promotions.

Because of this, it’s always worth reading the promotion terms before assuming every item will qualify.

Typical Examples

10% off your order
15% off orders over a minimum purchase amount
Seasonal sitewide campaigns

2. Brand Promo Codes

Brand promo codes apply only to products from one participating brand.

For example, a promotion may offer:

20% off California Gold Nutrition
15% off NOW Foods
10% off Life Extension

These promotions are commonly used during brand campaigns or new product launches.

Only eligible products qualify.

3. Category Promo Codes

Instead of focusing on a specific brand, category promo codes apply to entire product categories.

Examples include:

Vitamins
Sports Nutrition
Beauty
Baby & Kids
Grocery

These promotions allow shoppers to mix products from different brands while still receiving the discount.

4. Regional Promo Codes

Some promo codes are available only in specific countries or regions.

For example, iHerb may launch a promotion for customers in:

the United States;
Canada;
Europe;
Australia;
selected Asian countries.

If your shipping destination isn’t included in the promotion, the code won’t apply.

This is one of the most common reasons shoppers believe a promo code is “broken.”

5. App-Exclusive Promo Codes

Some promotions are available only through the iHerb mobile app.

These codes encourage customers to place orders using the official iHerb application.

In many cases:

the code won’t work on the website;
you must complete checkout within the app;
the promotion may be available for a limited time.

If a promotion is labeled App Only, ordering through a browser usually won’t qualify.

Here’s a quick comparison of the main promo code categories available on iHerb.

Promo Code Type	Applies To	Who Can Use It	Typical Restrictions
Sitewide	Most products	All eligible customers	Product exclusions
Brand	One brand	All eligible customers	Brand only
Category	Product category	All eligible customers	Category only
Regional	Selected countries	Customers in eligible regions	Country restrictions
App-Exclusive	App orders	Mobile app users	Must order in the app

Why Doesn’t My Promo Code Work?

There are several possible reasons.

The most common include:

the promotion has expired;
the code is country-specific;
the minimum purchase amount hasn’t been reached;
the products aren’t eligible;
the code is app-only;
another promotion cannot be combined with it.

Always check the promotion terms before assuming a code is invalid.

Can Promo Codes Be Combined?

Sometimes—but not always.

Some promo codes work together with automatic discounts such as:

Others cannot be combined with:

BOGO promotions;
certain Flash Deals;
selected manufacturer promotions.

Compatibility depends on the individual promotion.

Promo Codes vs Automatic Discounts

Promo Codes	Automatic Discounts
Must be entered manually	Applied automatically
Require a valid code	No code required
Activated during checkout	Activated when promotion conditions are met
Often apply to the entire order	Usually product-specific

Tips for Using Promo Codes

To maximize your savings:

Check the promotion’s expiration date.
Read the terms and exclusions.
Compare the promo code with current automatic discounts.
Make sure you’ve met any minimum purchase requirements.
Verify whether the promotion is country- or app-specific.
Apply the code before completing checkout.