Prices updated recently · 249 products tracked across 50 brands

Best Protein Powder Deals at Vitacost

Vitacost is a supplement specialist with a clean-label bent: grass-fed wheys, plant proteins and collagens dominate its catalogue. Sitewide 20–30% off codes drop almost weekly, and free shipping kicks in at $49. Below: every product where Vitacost is currently the cheapest of all 12 retailers we track.

Products cheapest at Vitacost

3.5%

Average savings vs other retailers

Best Value Score from Vitacost

Products Cheapest at Vitacost

10 products

56Score

#1 Value

Nutricost

Whey Protein Concentrate: Strawberry 5lb

Casein Protein Powder: Chocolate 5lb

Sport Premium Protein: Vanilla 4.4lb

Sport Premium Protein: Berry 4.4lb

Klean Isolate: Chocolate Milkshake 1.31lb

Klean Isolate: Natural Vanilla 1.3lb

Klean Isolate: Natural Strawberry 1.3lb

Klean Plant-Based Protein: Chocolate 1.25lb

Raw Organic Protein: Chocolate Cacao 1.5lb

Organic Plant Protein: Chocolate Peanut Butter 2.6lb

$51.93at Vitacost

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Why Shop Protein at Vitacost?

Specialty supplement focus

Unlike Walmart or Target, Vitacost was built around supplements: meaning deeper inventory on grass-fed, organic and plant-based proteins that mass retailers don't carry.

Frequent 20–30% off sitewide codes

Stackable promo codes run almost every week: often turning Vitacost into the single cheapest retailer on premium brands like Garden of Life, Vital Proteins and Now Sports.

$49

Free shipping over $49

Easy threshold to hit on a single 5lb tub, with no membership fee. Standard delivery typically lands in 2–5 business days from their Lexington, NC warehouse.

Affiliate disclosure for Vitacost

We participate in an affiliate program with Vitacost: when you click "View Deal" on a Vitacost product listing and complete a purchase, we may earn a small commission. The price you pay is identical; the commission comes out of the retailer's marketing budget, not your wallet. Read our full affiliate disclosure.

Vitacost affiliate program. Free US shipping over $49, with Auto-Delivery saving an additional 10 percent.

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Vitacost isn't always the cheapest. See how all 12 US retailers stack up.

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