iHerb in numbers
- iHerb was founded in the United States in 1996 and serves customers in over 180 countries worldwide.
- iHerb offers more than 50,000 products from over 2,000 brands. Every order is sold and dispatched by iHerb itself, not by third-party sellers.
- The shop works in 46 languages and 80+ currencies, with 40+ payment options and 95+ delivery methods.
- iHerb dispatches from 9 climate-controlled fulfilment centres and inventory hubs that are GMP- or ISO-compliant. UK orders come from logistics centres in the US, South Korea, Hong Kong and Saudi Arabia.
- UK delivery is free on orders over £29 with Standard Delivery – Global Air, a limited-time offer. Below £29, Global Air costs £3.99, and DHL Express and FedEx are available as alternatives.
- VAT on UK orders is included in iHerb's prices and paid directly to HMRC. iHerb intends to cover all VAT and duties for UK customer orders.
- Most products can be returned within 30 days of receipt and iHerb brand products within 90 days. iHerb reviews return requests within 48 hours, and an approved return must be sent back within 14 days.
- iHerb states it has 70 million+ verified customer reviews, 16 million+ active customers and 3,000+ team members.
Sources: Delivery information, About us, Returns & refunds, Contact us, Terms of Use.
Questions about iHerb
How much does delivery to the UK cost at iHerb?
Delivery to the UK is free on orders over £29 with Standard Delivery – Global Air, which iHerb describes as a limited-time offer. For orders below £29, Global Air costs £3.99. Some courier and product exclusions may apply. DHL Express and FedEx are available as alternative couriers, and estimated delivery times are shown at checkout.
Do I pay customs duties on iHerb orders to the UK?
Normally not. iHerb includes VAT in its prices and pays it directly to HMRC, and it intends to cover all VAT and duties for UK orders. With Global Air and DHL Express, duties, taxes and import fees are pre-collected at checkout, so you pay nothing on delivery. If customs fees are charged in error, iHerb asks you to contact customer service.
Which couriers deliver iHerb orders in the UK?
With Global Air, iHerb automatically chooses the quickest, most cost-effective courier among Royal Mail, Evri and Amazon Shipping. You can also choose DHL Express or FedEx. For delivery questions, iHerb refers you to Royal Mail or Evri Customer Service, to DHL Express on +44 (0)844 248 0844 and to the FedEx Call Centre on 03456 07 08 09.
How long do I have to return products to iHerb?
Most products bought on iHerb.com or in the app can be returned within 30 days of receiving your order. iHerb brand products have an extended 90-day return period, and items bought on other platforms such as Amazon or Walmart have 30 days. A refund request does not guarantee approval; each request is reviewed individually.
How does the iHerb return process work?
You log in to your iHerb account, open your Orders page and click Refunds/Returns on the order to choose the items. iHerb reviews the request and responds within 48 hours. If it is approved, you may receive a return label by email and must send the package back within 14 days. Domestic return labels are free; international returns do not get prepaid labels.
How long does an iHerb refund take?
Store credit is typically issued within 24 hours. Refunds to your original payment method take 7–10 working days to process, and international refunds may take up to 35 days to appear. The refund is processed once iHerb receives the items in their original condition, and you can check its status on your Orders page.
Do I always have to send a product back to iHerb for a refund?
No. Some returns are approved with photo documentation, so iHerb asks you to wait for the return confirmation email before returning or discarding products. If a return is required, the product must arrive in its original condition within 14 days. Items sent without a prior refund request are refused and returned to the sender.
Are iHerb products sold by third-party sellers?
No. iHerb says every order is sold and dispatched directly by iHerb, with no third-party sellers. It sources directly from brands and authorised distributors, and brands must provide a Certificate of Analysis confirming that the contents match the label. Expiration or best-by dates are shown on product pages, so you can check them before you buy.
How can I contact iHerb customer service?
iHerb offers chat with a virtual assistant and 24/7 email support through its Contact Us page, and live agents are available during support hours. You log in to get help with orders and your account. iHerb says it was recognised in USA TODAY's America's Best Customer Service 2026 rankings.
What is the iTested programme at iHerb?
iTested is iHerb's testing programme for its exclusive iHerb Brands. These products are tested by independent third-party labs for purity, potency and ingredient accuracy, and you can view the official Certificate of Analysis directly on the product page. iHerb presents this as part of its Quality Promise.
Do iHerb voucher codes apply to every product?
Not always. Codes often work on gift sets and new launches, but some brands and new products are excluded. The terms of each code state which products count, and a minimum spend may apply. If a code is rejected, check these conditions or switch to another current iHerb offer on this page.
Which programmes does iHerb run for customers?
iHerb's Terms of Use cover three programmes: the iHerb Rewards Programme, the iHerb Subscribe & Save Programme and the iHerb Affiliate Programme, each with its own annex. They apply only if available in your country of residence and if you choose to take part. iHerb may suspend Rewards Credit privileges in cases of policy misuse.
iHerb: vitamins, supplements and natural health products delivered to the UK
iHerb is a US online retailer founded in 1996 that specialises in health and wellness: vitamins, supplements, sports nutrition, beauty, grocery and related products. It ships to customers in over 180 countries, and its UK site lists prices in pounds and includes VAT, so ordering works much like buying from a domestic shop.
The shop suits you if you take supplements regularly, compare brands closely or want products that are hard to find on the high street. With a voucher code from save-up.co.uk you can lower the price of your iHerb order further.
The iHerb range from supplements to pet care
iHerb offers more than 50,000 products from over 2,000 brands. On the homepage you can also browse by health goal, for example immune support, gut health, brain and cognitive health, energy or blood sugar balance, and there is a separate Professional Brands category for supplement brands that focus on research and transparent labelling. Brands shown on the homepage include California Gold Nutrition, NOW Foods, Life Extension, Doctor's Best, Manuka Health, EOS, MaryRuth's and Mariani.
- Supplements: vitamins, minerals, herbs, probiotics and omega-3
- Sports nutrition
- Bath & Personal Care and Beauty
- Grocery: snacks such as dried fruit and honey pastilles
- Home, Baby & Kids
- Pets: treats and pet probiotics
Quality checks and visible best-by dates
iHerb sells and dispatches every order itself, with no third-party sellers on the platform. Brands must provide a Certificate of Analysis, and the exclusive iHerb Brands go through the iTested programme, in which independent labs check purity, potency and ingredient accuracy; the certificate appears on the product page. Products are stored in 9 climate-controlled, GMP- or ISO-compliant fulfilment centres and hubs, and each product page shows the expiration or best-by date before you buy. The Wellness Hub publishes articles that explain the science behind products, from probiotics for children to creatine.
Delivery to the UK and simple returns
UK orders travel by air from logistics centres in the US, South Korea, Hong Kong and Saudi Arabia. Standard Delivery – Global Air is free over £29 for a limited time and costs £3.99 below that; iHerb picks Royal Mail, Evri or Amazon Shipping automatically, and DHL Express and FedEx are alternatives. Duties and import fees are collected at checkout, so nothing is due on the doorstep.
Returns start from the Orders page in your account. Most products have a 30-day window and iHerb brand products 90 days. Some requests are settled with photos alone, and store credit typically arrives within 24 hours.
How to save at iHerb
The homepage runs rotating promotions on selected product groups, for example probiotics or festive gifts, and the menu has dedicated Deals and Bestsellers sections. Voucher codes are entered in the basket or at checkout; usually one code applies per order, and some brands or new products can be excluded, so check the conditions. iHerb also runs a Rewards Programme with Rewards Credit and a Subscribe & Save programme, both governed by annexes to its Terms of Use. Keeping your basket above £29 saves the delivery charge on top of any code.
If you shop across the Health & Beauty category, save-up.co.uk also lists Higher Nature Voucher Codes, Simply Supplements Discount Codes, a The Body Shop Promo Code and the Curo Skin Voucher Code.