Flyers
Offers
Favourites
Saved
Download our app 📲

Protein on sale Costco

There are 4 new Protein offers available at Costco starting from 17-07-2026.

Stores 1
Costco
Walmart
No Frills
Real Canadian Superstore
Shoppers Drug Mart
Sobeys
Metro
FreshCo
Loblaws
Jean Coutu
IGA
Longo's
Marché Adonis
Provigo
Fortinos
Rexall
Pharmaprix
Farm Boy
Uniprix
Familiprix
Healthy Planet
Fiesta Farms
Rachelle-Bery Grocery
Lifestyle Markets
Marche Leo's
Filters
Premier
add-icon Add
4 of 109 offers
Costco
Costco Wellth Protein Pasta, 6 × offer
-22%

Wellth Protein Pasta, 6 ×

2 days
$44.86
$34.99
Costco
Costco Clif Builders Protein Bars, 18 × offer
-18%

Clif Builders Protein Bars, 18 ×

2 days
$31.09
$25.49
Costco
Costco Kirkland Signature Chewy Protein Bars, 42 × offer

Kirkland Signature Chewy Protein Bars, 42 ×

2 days
$22.99
Costco
Costco Quest Tortilla Style Protein Chips, Nacho Cheese & Chili Lime Flavours, 14 × offer
-19%

Quest Tortilla Style Protein Chips, Nacho Cheese & Chili Lime Flavours, 14 ×

2 days
$41.96
$33.99

Stores with Protein in their assortment

Metro

Metro

Pharmaprix

Pharmaprix

Shoppers Drug Mart

Shoppers Drug Mart

Real Canadian Superstore

Real Canadian Superstore

Walmart

Walmart

Longo's

Longo's

IGA

IGA

Costco

Costco

Rexall

Rexall

Lifestyle Markets

Lifestyle Markets

Sobeys

Sobeys

Jean Coutu

Jean Coutu

Familiprix

Familiprix

Healthy Planet

Healthy Planet

Fortinos

Fortinos

Loblaws

Loblaws

Farm Boy

Farm Boy

Rachelle-Bery Grocery

Rachelle-Bery Grocery

No Frills

No Frills

FreshCo

FreshCo

Independent Grocer

Independent Grocer

London Drugs

London Drugs

Oceans Fresh Food Market

Oceans Fresh Food Market

Zehrs Markets

Zehrs Markets

Nearest Costco branch

This Protein on sale Costco is available in the following branches based on your set location:

Toronto
Automatically locate
Costco logo
CostcoM4H1B6 Toronto
4.25 km
Costco logo
CostcoM3K2C8 Toronto
5.60 km
Costco logo
CostcoM1L0E6 Scarborough
10.05 km
All locations

Protein price Costco🕒

OfferNameStoreRegular priceOffer pricePromotionStart dateEnd date
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9913 July 202619 July 2026
Costco Clif Builders Protein Bars, 18 × offerClif Builders Protein Bars, 18 × 68 gCostco$31.09$25.49-18%06 July 202612 July 2026
Costco RXBAR Protein Bars Variety Pack offerRXBAR Protein Bars Variety Pack 14 x 52 gCostco$27.84$21.99-21%29 June 202605 July 2026
Costco RXBAR protein bars offerRXBAR protein barsCostco$23.99$17.99Save $622 June 202605 July 2026
Costco RXBAR Protein Bars Variety Pack offerRXBAR Protein Bars Variety Pack 14 x 52 gCostco$27.84$21.99-21%22 June 202628 June 2026
Costco Built Puffs Protein Bars, Brownie Batter & Coconut, 14 × offerBuilt Puffs Protein Bars, Brownie Batter & Coconut, 14 × 40 gCostco$34.93$28.99-17%15 June 202621 June 2026
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9915 June 202621 June 2026
Costco Built Puff brownie batter and coconut flavoured protein bars offerBuilt Puff brownie batter and coconut flavoured protein barsCostco$29.99$23.99-20%08 June 202621 June 2026
Costco Built Puffs Protein Bars, Brownie Batter & Coconut, 14 × offerBuilt Puffs Protein Bars, Brownie Batter & Coconut, 14 × 40 gCostco$34.93$28.99-17%08 June 202614 June 2026
Costco RXBAR Protein Bars Variety Pack offerRXBAR Protein Bars Variety Pack 14 x 52 gCostco$27.84$21.99-21%08 June 202614 June 2026
Costco VEGA protein and creatine powder offerVEGA protein and creatine powderCostco$69.99$54.99Save $1525 May 202607 June 2026
Costco Quest Protein Bars Variety Pack, 14 × offerQuest Protein Bars Variety Pack, 14 × 60 gCostco$37.79$30.99-18%25 May 202631 May 2026
Costco Amino Balls Vegan Protein Variety Pack, 36 × offerAmino Balls Vegan Protein Variety Pack, 36 × 40 gCostco$84.49$59.99-29%25 May 202631 May 2026
Costco Quest Protein Bars Variety Pack, 14 × offerQuest Protein Bars Variety Pack, 14 × 60 gCostco$37.79$30.99-18%18 May 202624 May 2026
Costco RXBAR Protein Bars Variety Pack offerRXBAR Protein Bars Variety Pack 14 x 52 gCostco$28.04$22.99-18%11 May 202617 May 2026
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9904 May 202610 May 2026
Costco Quest Protein Bars Variety Pack, 14 × offerQuest Protein Bars Variety Pack, 14 × 60 gCostco$37.79$30.99-18%04 May 202610 May 2026
Costco Clif Builders Protein Bars, 18 × offerClif Builders Protein Bars, 18 × 68 gCostco$31.09$25.49-18%27 April 202603 May 2026
Costco Amino Balls Vegan Protein Variety Pack, 36 × offerAmino Balls Vegan Protein Variety Pack, 36 × 40 gCostco$85.51$64.99-24%20 April 202626 April 2026
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9920 April 202626 April 2026
Costco Kirkland Signature Protein Bars, 20-count offerKirkland Signature Protein Bars, 20-countCostco$38.9920 April 202626 April 2026
Costco Clif Builders protein bars offerClif Builders protein barsCostco$26.99$21.49$5.50 Discount13 April 202626 April 2026
Costco Biosteel vanilla protein shake offerBiosteel vanilla protein shakeCostco$39.99$31.99Save $813 April 202626 April 2026
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9913 April 202619 April 2026
Costco Kirkland Signature Protein Bars, 20-count offerKirkland Signature Protein Bars, 20-countCostco$38.9913 April 202619 April 2026
Costco Joyburst Protein Soda Variety Pack, 335 mL 15-pack offerJoyburst Protein Soda Variety Pack, 335 mL 15-packCostco$30.11$24.99-17%07 April 202612 April 2026
Costco Prana Overnight Protein Chia Oats, 2 × offerPrana Overnight Protein Chia Oats, 2 × 780 gCostco$37.02$29.99-19%07 April 202612 April 2026
Costco Joyburst Protein Soda Variety Pack, 335 mL 15-pack offerJoyburst Protein Soda Variety Pack, 335 mL 15-packCostco$30.11$24.99-17%30 March 202605 April 2026
Costco Prana Overnight Protein Chia Oats, 2 × offerPrana Overnight Protein Chia Oats, 2 × 780 gCostco$37.02$29.99-19%30 March 202605 April 2026
Costco RXBAR Protein Bars Variety Pack offerRXBAR Protein Bars Variety Pack 14 x 52 gCostco$28.04$22.99-18%23 March 202629 March 2026
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9916 March 202622 March 2026
Costco Built Puffs Protein Bars, Brownie Batter & Coconut, 14 × offerBuilt Puffs Protein Bars, Brownie Batter & Coconut, 14 × 40 gCostco$34.93$28.99-17%09 March 202615 March 2026
Costco Quest Protein Bars Variety Pack, 14 × offerQuest Protein Bars Variety Pack, 14 × 60 gCostco$37.79$30.99-18%02 March 202608 March 2026
Costco Joyburst Mocha Protein Frappé, 325 mL 15-pack offerJoyburst Mocha Protein Frappé, 325 mL 15-packCostco$32.93$27.99-15%02 March 202608 March 2026
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9902 March 202608 March 2026
Costco Quest protein bars offerQuest protein barsCostco$32.90$25.99-21%02 March 202615 March 2026
Costco Joyburst Mocha Protein Frappé, 325 mL 15-pack offerJoyburst Mocha Protein Frappé, 325 mL 15-packCostco$32.93$27.99-15%23 February 202601 March 2026
Costco Trubar Plant Based Protein Bar, 16 × offerTrubar Plant Based Protein Bar, 16 × 50 gCostco$32.04$24.99-22%23 February 202601 March 2026
Costco Kirkland Signature Chewy Protein Bars, 42 × offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9917 February 202622 February 2026
Costco Vega organic protein and greens vanilla protein powder offerVega organic protein and greens vanilla protein powderCostco$59.99$42.99Save $1719 January 202601 February 2026
Costco Built Puffs Protein Bars, Brownie Batter & Coconut, 14 × offerBuilt Puffs Protein Bars, Brownie Batter & Coconut, 14 × 40 gCostco$34.93$28.99-17%19 January 202625 January 2026
Costco Clif Builders Protein Bars, 18 × offerClif Builders Protein Bars, 18 × 68 gCostco$25.49-18%12 January 202618 January 2026
Costco Leanfit vanilla organic plant-based protein powder offerLeanfit vanilla organic plant-based protein powderCostco$59.99$46.99Save $1322 December 202505 January 2026
Costco Leanfit vanilla whey protein powder offerLeanfit vanilla whey protein powderCostco$49.99$37.99Save $1222 December 202505 January 2026
Costco Leanfit vanilla whey protein powder offerLeanfit vanilla whey protein powder 2 kgCostco$49.99$37.99Save $1222 December 202518 January 2026
Costco Leanfit vanilla organic plant-based protein powder offerLeanfit vanilla organic plant-based protein powder 2 kgCostco$59.99$46.99Save $1322 December 202518 January 2026
Costco Clif Builders Protein Bars, 18 × 68 g offerClif Builders Protein Bars, 18 × 68 gCostco$25.4901 December 202507 December 2025
Costco Trubar Plant Based Protein Bar, 16 × 50 g offerTrubar Plant Based Protein Bar, 16 × 50 gCostco$24.9924 November 202530 November 2025
Costco Clif Builders Protein Bars, 18 × 68 g offerClif Builders Protein Bars, 18 × 68 gCostco$25.4917 November 202523 November 2025
Costco Clif Builders Protein Bars, 18 × 68 g offerClif Builders Protein Bars, 18 × 68 gCostco$25.4910 November 202516 November 2025
Costco Trubar key lime and strawberry shortcake plant-based protein bars offerTrubar key lime and strawberry shortcake plant-based protein barsCostco$19.9901 September 202514 September 2025
Costco Blessed Strawberry Mylk flavoured plant-based protein powder offerBlessed Strawberry Mylk flavoured plant-based protein powderCostco$46.9901 September 202514 September 2025
Costco Vega protein and recovery powder offerVega protein and recovery powderCostco$49.99$36.99Save $1307 August 202515 August 2025
Costco LeanFit chocolate or vanilla whey protein powder offerLeanFit chocolate or vanilla whey protein powderCostco$37.9904 August 202531 August 2025
Costco Isopure tropical punch clear protein powder offerIsopure tropical punch clear protein powderCostco$79.99$59.99Save $2024 July 202530 July 2025
Costco Isopure tropical punch clear protein powder offerIsopure tropical punch clear protein powderCostco$79.99$59.99Save $2007 July 202521 July 2025
Costco Wellth Protein Pasta, 6 × 340 g offerWellth Protein Pasta, 6 × 340 gCostco$34.9907 July 202513 July 2025
Costco Wellth Protein Rotini Pasta, 4.54 kg offerWellth Protein Rotini Pasta, 4.54 kgCostco$59.9907 July 202513 July 2025
Costco Vega organic protein and greens vanilla protein powder offerVega organic protein and greens vanilla protein powderCostco$42.9909 June 202506 July 2025
Costco Vega plant-based creamy chocolate protein shake offerVega plant-based creamy chocolate protein shakeCostco$31.9909 June 202506 July 2025
Costco Chef Robert Irvine's Baked Protein Bars, Chocolatey Brownie, 18 × 46 g offerChef Robert Irvine's Baked Protein Bars, Chocolatey Brownie, 18 × 46 gCostco$26.9902 June 202508 June 2025
Costco Chef Robert Irvine's Baked Protein Bars, Chocolatey Brownie, 18 × 46 g offerChef Robert Irvine's Baked Protein Bars, Chocolatey Brownie, 18 × 46 gCostco$26.9926 May 202501 June 2025
Costco Built Puffs Protein Bars, Brownie Batter & Coconut, 14 × 40 g offerBuilt Puffs Protein Bars, Brownie Batter & Coconut, 14 × 40 gCostco$29.9920 May 202525 May 2025
Costco Clif Builders protein bars offerClif Builders protein barsCostco$21.4912 May 202526 May 2025
Costco Clif Builders protein bars offerClif Builders protein barsCostco$21.4912 May 202508 June 2025
Costco Kirkland Signature Chewy Protein Bars, 42 × 40 g offerKirkland Signature Chewy Protein Bars, 42 × 40 gCostco$22.9927 January 202502 February 2025
Costco Love Good Protein, Protein Bars, 24 × 55 g offerLove Good Protein, Protein Bars, 24 × 55 gCostco$54.9913 January 202519 January 2025
Costco Leanfit vanilla whey protein powder offerLeanfit vanilla whey protein powderCostco$37.9930 December 202426 January 2025
Costco Clif Builders Protein Bars, 18 × 68 g offerClif Builders Protein Bars, 18 × 68 gCostco$25.4902 December 202408 December 2024
Costco Clif Builders Protein Bars, 18 × 68 g offerClif Builders Protein Bars, 18 × 68 gCostco$24.4904 November 202410 November 2024
Costco Optimum Nutrition Gold Standard Whey vanilla protein powder offerOptimum Nutrition Gold Standard Whey vanilla protein powderCostco$69.9930 September 202427 October 2024
Costco Clif Builders Protein Bars, 18 × 68 g offerClif Builders Protein Bars, 18 × 68 gCostco$23.9909 September 202415 September 2024
Costco Clif Builders Protein Bars, 18 × 68 g offerClif Builders Protein Bars, 18 × 68 gCostco$24.4912 August 202418 August 2024
Costco Clif Builders Protein Bars offerClif Builders Protein BarsCostco$21.4903 June 202430 June 2024
Costco Love good protein peanut caramel protein bar, 24 × 55 g offerLove good protein peanut caramel protein bar, 24 × 55 gCostco$55.9902 January 202407 January 2024
Costco Leanfit chocolate whey protein powder offerLeanfit chocolate whey protein powderCostco$37.9901 January 202428 January 2024
Costco Leanfit chocolate or vanilla whey protein powder offerLeanfit chocolate or vanilla whey protein powderCostco$37.9907 August 202303 September 2023
Costco Vega organic protein & greens powder, 1 kg offerVega organic protein & greens powder, 1 kgCostco$29.9910 July 202316 July 2023
Costco Chef Robert Irvine's Protein Bar - Baked Protein Bar, 828 g offerChef Robert Irvine's Protein Bar - Baked Protein Bar, 828 gCostco$30.99$24.99$6.00 Discount05 June 202312 June 2023
Costco Robert irvine's protein bars offerRobert irvine's protein barsCostco$21.9929 May 202325 June 2023
Costco LeanFit Vanilla Whet Protein Powder 2 kg offerLeanFit Vanilla Whet Protein Powder 2 kgCostco$37.9902 January 202329 January 2023
Wave background texture
Download the free app with 650+ stores
app-picture-logo

Costco Protein offers and price

At Costco, you’ll find a wide range of ⭐️Protein offers⭐️. This week, Costco has 4 Protein promotions in the catalogue. Remove filters to view all Protein deals, compare prices, and save on your next purchase. Use the filters to find promotions for your preferred products and secure the lowest price possible. You can save your search to stay updated when Protein is on sale again in this week’s or next week’s catalogue. If the product is not on promotion right now but still needed, check similar deals to find an alternative.

Protein assortment

Last update: Tuesday, July 14, 2026
Sent successfully
Something went wrong, please try again
Is this deal a real must-have?

We’ve rated this special based on discount and frequency over the past 8 weeks. That way, you can make the best choice! Handy, right?

Musthave
Buy
Compare
Doubt
Example
Coca Cola light 1.5L
$3.00
$2.69
Coca Cola light 1.5L
50% off
$3.00
$1.49
More info about this rating?
All rights reserved © Flyerdeals.ca 2026 | Disclaimer | Terms and conditions | Privacy policy | Cookie Policy