Comparing categories as well as this product? Visit our top whey protein roundup or browse the recovery guide for broader buying advice and related picks.
At a glance
A quick summary for readers who want the shape of the product before reading the full review.
- Protein type
- Hydrolysed whey isolate
- Best suited for
- Leaner shakes and fast-mixing post-workout use
- Format
- Whey isolate powder
- Key consideration
- More specialist than standard whey, with a lighter macro profile
Quick verdict
ISO100 is a popular choice among athletes and gym‑goers looking for a high‑protein, low‑calorie supplement. According to the label, each serving provides 25 g of protein, including 5.5 g of branched‑chain amino acids (2.7 g leucine). Customer reviews consistently highlight its smooth mixability, lactose‑free formulation and range of flavours.
How we review
At Protein Pitstop, our reviews are based on independent editorial research. We assess each product by examining:
- Ingredient profiles and nutrition labels
- Customer feedback and reviews on Amazon
- Brand reputation and quality assurances (e.g., third‑party certifications)
- Suitability for dietary needs (low‑carb, lactose‑free, etc.)
We do not accept free products or sponsored placements. Affiliate commissions never influence our recommendations.
Ingredient snapshot
Before looking at the finer detail, these are the headline formula characteristics worth knowing.
- Hydrolysed whey isolate as the main protein source
- Lower carbohydrate and fat profile than many standard whey blends
- Built around a lighter serving style for training-focused use
Nutrition & ingredients
Each 30 g serving provides 25 g of protein, 0.5 g of fat and less than 1 g of carbohydrates. ISO100 uses hydrolyzed whey protein isolate as its primary source, which is processed into smaller peptides. This form is often noted in nutrition discussions as easier to digest than standard concentrates.
The formula is lactose‑free, gluten‑free and contains soy lecithin to support mixability. It is sweetened with sucralose. ISO100 is also Informed‑Choice certified, meaning it is tested for banned substances, which is particularly relevant for competitive athletes.
Taste & mixability
Customer reviews suggest Dymatize ISO100 has better taste than many hydrolyzed isolates, which can sometimes be bitter. Flavours like Gourmet Chocolate and Fruity Pebbles are described as smooth and palatable, while the “Clear” range (e.g., Orange Cream) is lighter and more refreshing.
Mixability is frequently praised: the fine powder dissolves easily in water with minimal foam or clumping. Users also report it blends well with milk alternatives, oats and smoothies.
Use cases
ISO100 is marketed for athletes and active individuals who want a very lean protein powder with rapid digestion. Many customers choose it around training sessions because it is low in carbs and fats, while others use it as a daily supplement to boost protein intake.
Because it is lactose‑free, ISO100 is often selected by those who cannot tolerate concentrates or blends containing dairy sugars. Users following calorie‑controlled diets also highlight its macro profile as a benefit.
Value
ISO100 sits in the premium category of protein powders. While it is not the cheapest option, customer feedback often points to its quality, flavour options and banned‑substance certification as reasons they continue to repurchase.
Pros & cons
Pros
- 25 g protein per serving with high BCAA content
- Hydrolyzed isolate formulation (fine texture, mixes easily)
- Lactose‑free and gluten‑free
- Informed‑Choice tested for banned substances
- Wide flavour range, including “clear” fruit flavours
Cons
- Premium price compared to standard whey
- Slight artificial aftertaste (common in hydrolyzed proteins)
- Lower satiety than blends containing concentrate or casein
Who this protein may suit
May suit:
- Shoppers comparing isolate-led products for leaner macros
- People who prefer a lighter whey option around training
- Users looking for a more specialist alternative to standard whey
May not suit:
- Anyone shopping primarily on value per serving
- People who want a calorie-dense bulking shake
- Users who need a dairy-free format
How it compares
ISO100 usually sits above standard whey in terms of processing and positioning, so it makes most sense to compare it with other isolate-focused products rather than entry-level whey tubs.
For broader context, compare it within our top whey protein roundup and then browse the recovery guide.
FAQs
What makes ISO100 hydrolyzed?
According to Dymatize, the protein is partially broken down into smaller peptides, which they position as supporting faster digestion.
Is it suitable for lactose‑intolerant individuals?
Yes. The filtration and hydrolysis process removes nearly all lactose.
Does ISO100 contain gluten or soy?
It is gluten‑free. It contains soy lecithin in small amounts to help mixability.
Is ISO100 tested for banned substances?
Yes. ISO100 is Informed‑Choice certified and batch‑tested for banned substances.