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Dymatize ISO100 Hydrolyzed Whey Protein IsolateNutricost Whey Protein Concentrate

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Read our full Dymatize ISO100 Hydrolyzed Whey Protein Isolate vs Nutricost Whey Protein Concentrate comparison — verdict, winners by criterion and FAQ
Side-by-side comparison of Dymatize ISO100 Hydrolyzed Whey Protein Isolate, Nutricost Whey Protein Concentrate
Dymatize ISO100 Hydrolyzed Whey Protein Isolate

Dymatize

ISO100 Hydrolyzed Whey Protein Isolate

Best Whey Isolate

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Nutricost Whey Protein Concentrate

Nutricost

Whey Protein Concentrate

Best Budget

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FR ScoreFR Score 8.9 out of 10, ExcellentTOPFR Score 8.2 out of 10, Great
Formula & Dosing9.2 (best)8.0
Quality & Transparency9.0 (best)8.1
Taste & Mixability9.2 (best)8.2
Value per Serving8.28.5 (best)
Video reviews5 videos4 videos
Pros
  • 100% of protein from whey isolate, partly hydrolyzed
  • 1 g of sugar or less and 120 calories or less per 25 g protein scoop
  • Standout flavors, including Pebbles cereal collaborations
  • Simple formula, with an unflavored version for cooking and smoothies
  • 25 g of protein per serving
  • Third-party tested by ISO-accredited labs, per Nutricost
Cons
  • Pricier per serving than whey blends
  • Flavored versions use sucralose and soy lecithin
  • Some flavors taste very sweet
  • At 2026 prices, per-serving cost is close to name brands unless on sale
  • Flavored versions use sucralose
  • Prop 65 lead warning on several flavors and sizes
Protein per serving25 g25 g
Calories per serving120 or less—
Sugar per serving1 g or less—
BCAAs per serving5.5 g (2.6 g leucine)—
Protein sourceHydrolyzed whey protein isolate and whey protein isolateWhey protein concentrate
Servings71 per 5 lb tub (Gourmet Chocolate)About 63 per 5 lb tub
SweetenerSucraloseSucralose (flavored versions)
AllergensMilk, soy (soy lecithin)—
Third-party testingBanned-substance tested (Informed Choice per retailer listings)—
Unflavored option—Yes
Dietary—Non-GMO, gluten-free
Manufacturing—GMP-compliant, FDA-registered facility
Sizes—1.5 lb, 2 lb and 5 lb (varies by flavor)

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