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#2 in Protein Powders Third-Party Tested

Dymatize ISO100 Hydrolyzed Whey Protein Isolate

by Dymatize

"The gold standard of whey protein isolates — ultra-pure and fast-absorbing"

Amazon Rating
4.7/5
Reviews
68,000+
Price Range
$62-72
Servings
71 servings (5 lb)
Informed SportGMP Certified
Our Editorial Rating
9.0
Excellent
FormPowder
SubcategoryWhey Protein Isolate
View on Amazon

Overview

Dymatize ISO100 is a hydrolyzed whey protein isolate, meaning it's been pre-digested for faster absorption. Each serving delivers 25g of protein with less than 1g of sugar and fat, making it one of the leanest protein powders available. The hydrolysis process breaks protein into smaller peptides, which may speed up amino acid delivery to muscles. ISO100 is Informed Sport certified and has won multiple supplement awards. The Gourmet Chocolate and Fruity Pebbles flavors are particularly popular.

Key Ingredients

IngredientAmount
Hydrolyzed Whey Protein IsolatePrimary source
Whey Protein IsolateSecondary source
Total Protein25g per scoop
BCAAs5.5g per serving
Leucine2.7g per serving

Pros & Cons

What We Like

  • 25g protein with <1g sugar and <0.5g fat per serving
  • Hydrolyzed for faster absorption
  • Extremely low lactose — suitable for most lactose-intolerant individuals
  • Informed Sport certified
  • Award-winning flavors (Fruity Pebbles collab is exceptional)
  • Mixes very smoothly

What Could Be Better

  • More expensive than standard whey concentrates
  • Contains artificial sweeteners and flavors
  • Contains soy lecithin
  • Hydrolyzed protein can have a slightly bitter undertaste in some flavors

Who Is This For?

Best For

  • Lean dieters counting every macro
  • Lactose-intolerant individuals wanting whey
  • Athletes needing fast-absorbing protein
  • Flavor enthusiasts

Not Ideal For

  • Budget-conscious buyers
  • Those avoiding artificial ingredients
  • Vegans

Our Verdict

9.0/10 — Excellent

ISO100 is the premium choice for those who want the purest whey protein available. The hydrolyzed isolate formula is nearly lactose-free and absorbs rapidly. If you're cutting weight or need a protein that won't upset a sensitive stomach, ISO100 is worth the premium price.

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