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Experience the highest quality protein bars made with premium ingredients, made-to-order from our kitchen.


With our Zentein protein bars, you can always have a convenient source of clean nutrition that you can be confident in choosing. It's made with only 5 ingredients and contains no artificial sweeteners or fibre syrups.


We chose collagen as the protein source because it is the main building block in all connective tissue in our body. In our modern day diets, we don't drink a lot of bone broths or eat tendon, which is where one would typically ingest high concentrations of collagen from. Adding collagen to your diet can support skin health, increase muscle recovery rates, and reduce joint pain.


The bars' classic peanut butter cup flavour is created using smooth natural peanut butter, 100% Canadian honey, and Belgian dark chocolate. We are continually doing taste tests from various suppliers to continously see if we can optimize for the highest quality ingredients and taste.


You can also order our products on to gain access to Prime Delivery speeds. The lower single box price point on reflects the protein bar's storage time and conditions in Amazon's warehouses, which vary. If you want them freshly made-to-order, purchase them from our website. You will still be delivered a great product if you order from Amazon (and you will also receive discounts when you order more than 1 box).


Thank you for supporting a Canadian business! If you have any questions, please email our team at and we will respond ASAP.


Peanut Butter Cup Zentein Bars (12 bars/box)

SKU: 627987415575-12
Price Options
One-time purchase
Monthly Zentein Bars
Baker's Dozen (1 Bonus Bar/Box)!
C$46.00every month until canceled
  • Quantity discounts on multi-box orders applied automatically to price.

    Free shipping on all orders for a limited time.

    $15 shipping to USA.

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