Kost1 reviews 2026: are they worth buying from?

Thinking about buying from Kost1, but would like to know a bit more about what you are getting into? In this article we take a closer look at what Norwegian customers say about the shop, what kind of range they carry, and, not least, how you can get cashback on your purchase.

What is Kost1?

Kost1 is a Norwegian online shop specialising in supplements, sports products and health foods. They have been around for many years and have built a solid customer base in Norway. The shop carries a broad selection of categories such as protein powder, creatine, vitamins, minerals, omega-3 and much more, from well-known international brands as well as their own labels.

Kost1 reviews: what do customers say?

Feedback from Kost1 customers is generally positive. Here are the things that come up most often:

• Good selection: many customers praise the broad range and the fact that they can find the brands they are used to, all in one place.
• Competitive prices: Kost1 positions itself on price, and many customers find good offers and campaigns on a regular basis.
• Quick delivery: positive experiences with delivery times are a recurring theme in customer reviews. Many report fast, trouble-free dispatch.
• Customer service: some customers note that customer service is easy to reach and helpful with questions or complaints.

As with most online shops there are negative experiences too, such as delays in busy periods or difficulties with returns. But the overall impression is that Kost1 is a serious and reliable operator in the Norwegian market.

Range and brands

Kost1 carries products from a number of well-known brands, among them Optimum Nutrition, Myprotein, Nutri-Plus and many more. They also have their own products, often competitively priced. The categories run from protein powder and amino acids to vitamin D supplements, magnesium, omega-3 and training equipment.

The broad range makes it easy to gather everything you need in a single order, which also saves you on shipping costs.

How to get cashback at Kost1

When you shop at Kost1 via Sparebørsen, you get 5,6 % cashback on your purchase. Here is how:

1. Log in to your Sparebørsen account (or create a free account if you do not have one).
2. Search for Kost1 in the partner list and click through to the shop from there.
3. Shop as normal in the Kost1 store: add products to the basket and complete your purchase.
4. Cashback is registered automatically to your Sparebørsen account once the purchase is confirmed.
5. Withdraw to your bank account once you reach the minimum amount. Note: payouts are made to bank accounts only.

It is important that you do not close the browser window or use other discount codes along the way, as this can affect the cashback registration.

Is Kost1 worth buying from?

Based on customer experiences and a broad product range, Kost1 comes across as a safe choice if you want a good selection at competitive prices. Combine that with cashback from Sparebørsen and your money stretches further still. It is simple, it is free, and it costs you nothing extra to use.