VC
Best Protein Deals at Vitacost
Online natural-products retailer with frequent 20%+ sitewide sales. Auto-Delivery saves an additional 10%. Free US shipping on $49+.
13 cheapest here
6.0% avg savings
56 best value score
Free shipping $49+
Products Cheapest at Vitacost
13 products
Nutricost
Whey Protein Concentrate
5 lb · Strawberry
Whey ConcentrateSave $3.40
Check retailer for current price 9% OFF $33.59$36.99
Nutricost
Casein Protein Powder
5 lb · Chocolate
Casein ProteinSave $3.20
Check retailer for current price 7% OFF $41.79$44.99
Klean Athlete
Klean Isolate
1.31 lb · Chocolate Milkshake
Whey Isolate (WPI)
Check retailer for current price $43.95
Klean Athlete
Klean Isolate
1.3 lb · Natural Vanilla
Whey Isolate (WPI)
Check retailer for current price $43.95
Klean Athlete
Klean Isolate
1.3 lb · Natural Strawberry
Whey Isolate (WPI)
Check retailer for current price $43.95
Naked Nutrition
Naked Whey
5 lb · Unflavored
Whey Concentrate
Check retailer for current price $100.93
Klean Athlete
Klean Plant-Based Protein
1.25 lb · Chocolate
Plant Protein
Check retailer for current price $48.95
Ascent
Native Fuel Whey
2 lb · Chocolate
Whey Protein BlendSave $3.00
Check retailer for current price 6% OFF $43.99$46.99
Ascent
Native Fuel Whey
2 lb · Cookies & Cream
Whey Protein BlendSave $3.00
Check retailer for current price 6% OFF $43.99$46.99
Garden of Life
Raw Organic Protein
1.5 lb · Chocolate Cacao
Plant ProteinSave $3.17
Check retailer for current price 9% OFF $31.82$34.99
Ascent
Ascent Plant Protein
2 lb · Vanilla Bean
Plant ProteinSave $3.00
Check retailer for current price 6% OFF $46.99$49.99
Garden of Life Raw Organic Pro
Garden of Life
Raw Organic Protein
1.5 lb · Vanilla
Plant ProteinSave $3.17
Check retailer for current price 9% OFF $31.82$34.99
KOS
Organic Plant Protein
2.6 lb · Chocolate Peanut Butter
Plant Protein
Check retailer for current price $51.93
About Vitacost Protein Prices
When is Vitacost cheapest?
Vitacost runs sitewide 20–30% off sales several times per year, and Auto-Delivery adds another 10%. During sales, it can beat Amazon on organic and plant-based protein brands.
Is Vitacost reliable?
Yes — Vitacost is an established Kroger-owned retailer with a good track record. Shipping takes 3–7 days. Free on $49+.
Compare with other retailers
How we use Vitacost prices
Vitacost links on this page are affiliate links — we may earn a commission at no extra cost to you. Prices and rankings are sourced independently.