The Best Protein Bars, Cookies & Flapjacks - Tasty, Nutritious, Oaty.

At Oatein we believe fueling right is the best way to stay happy, healthy and perform at your very best.

All of our high protein nutrition products are brimming with oats, high-quality protein and utter deliciousness (it's a thing!) Better still, they’re made with genuine passion right here in the UK. 

We offer a full range of low sugar, high protein products including our Hype low calorie protein bars, low sugar protein flapjacks and our vegan protein superstar: the Millionaire Crunch.

Shop the range below to get a taste of what makes Oatein so great. Once you’ve tried our melt-in-your-mouth flavours, we’re confident you’ll call Oatein the best protein bar manufacturer in the country.