Whey Protein Hydrolysed

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Hydrolysed whey is whey protein that has been partly broken down into smaller pieces, called peptides, during manufacturing. This range covers hydrolysed whey protein isolates, isolate blends that include hydrolysed whey, and one hydrolysed beef protein, from brands including Rule 1, Dymatize, Primabolics, EHP Labs and Optimum Nutrition.

Read the Whey Protein Hydrolysed buying guide
  • Rule 1 R1 Protein WPI 5 LBS Chocolate FudgeRule 1 R1 Protein WPI 5 LBS Vanilla Creme

    R1 Protein WPI 5lbs

    19 flavours
    $249.95
    Save up to $40
  • Rule 1 R1 Protein WPI 2LB Chocolate FudgeRule 1 R1 Protein WPI 2LB Vanilla Creme
    Rule 1

    R1 Protein WPI 2lbs by Rule 1 Proteins

    2 sizes · 23 flavours
    From$134.95
  • Iso-Ripped by Primabolics PROTEIN Primabolics Iso-Ripped by Primabolics PROTEIN Primabolics 4 Lbs Chocolate Hazelnut
    Primabolics

    Iso-Ripped by Primabolics

    2 sizes · 13 flavours
    From$119.95
  • Dymatize ISO100 Hydrolyzed 5LB Gourmet VanillaDymatize ISO100 Hydrolyzed 5LB Gourmet Chocolate
    Dymatize

    Dymatize ISO100 Hydrolyzed Whey Protein Isolate

    2 sizes · 9 flavours
    From$199.95
  • Hydro Iso WPI by Next GenerationHydro Iso WPI by Next Generation Chocolate 1.5 Kg
    Next Generation

    Hydro-Iso WPI Protein Powder by Next Generation

    2 sizes · 3 flavours
    From$189.95
  • ISO 100 3LB by Dymatize Cocoa PebblesISO 100 3LB, Cocoa Pebbles
    Dymatize

    ISO 100 3LB by Dymatize

    3 flavours
    $199.95
  • ISOPEPT HYDROLYZED WHEY PROTEIN by EHP PROTEIN 2lb Chocolate DecanadeISOPEPT HYDROLYZED WHEY PROTEIN by EHP PROTEIN 2lb Peanut Butter cups
    EHP Labs

    EHP Labs IsoPept Hydrolyzed Whey Protein Isolate 2 lb

    4 2lb tubs
    $114.95
  • R1 Protein WPI by Rule 1 Proteins 1lbs PROTEIN RULE 1 Chocolate Fudge R1 Protein WPI by Rule 1 Proteins 1lbs PROTEIN RULE 1 Vanilla Creme
    Rule 1

    R1 Protein WPI 1lbs by Rule 1 Proteins

    2 flavours
    $69.95
  • NOWAY Collagen Protein by ATP Science collagen protein ATP Chocolate NOWAY Collagen Protein by ATP Science collagen protein ATP
    ATP Science

    NOWAY Collagen Protein By ATP Science

    4 flavours
    $79.95
  • Dymatize ISO 100 20 Serves | Clearance.Dymatize ISO 100 20 Serves | Clearance.
    Dymatize

    ISO 100 Birthday Cake Pebbles by Dymatize

    $99.95
  • Fat Burning Hydrolyzed Beef Protein Chocolate ShredFat Burning Hydrolyzed Beef Protein
    MuscleMeds

    MuscleMeds Carnivor Shred Hydrolyzed Beef Protein Isolate

    2 flavours
    $209.95
  • Hydrolysed Protein Isolate by Day One Performance.Hydrolysed Protein Isolate by Day One Performance.
    Day One Performance

    Hydrolysed Protein Isolate by Day One Performance

    3 flavours
    $89.95
  • R1 Protein WPI 10 lbs by Rule 1 Protein isolate RULE 1 Chocolate Fudge 10 LBS R1 Protein WPI 10 lbs by Rule 1 Protein isolate RULE 1 Vanilla Creme 10 LBS
    Rule 1

    R1 Protein WPI 10 lbs by Rule 1 Proteins

    4 flavours
    $419.95
  • ISO100 Hydrolyzed Protein by Dymatize PROTEIN DYMATIZE Gourmet Chocolate 23 Serves
    Dymatize

    Iso 100 20 Serves by Dymatize

    8 flavours
    $104.95
  • Isolate By Inspired Nutraceuticals Chocolate Ice CreamIsolate By Inspired Nutraceuticals Strawberry Milkshake
    Inspired Nutraceuticals

    Isolate By Inspired Nutraceuticals

    2 flavours
    $74.95$119.95
    Save $45
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Whey Protein Hydrolysed: buying guide

Hydrolysed whey vs whey isolate

Whey is a milk protein that mixes easily and is digested quickly. The International Society of Sports Nutrition (ISSN) notes that whey hydrolysates and isolates are the most researched proteins for resistance training, partly because of how they are digested, and that more of their essential amino acids reach the bloodstream than with soy protein.

Hydrolysing whey is one more processing step on top of making an isolate. It is easy to assume that means faster results, but the ISSN position stand points out that differences in how quickly proteins are absorbed go beyond the degree of hydrolysis alone, and it does not single out hydrolysed whey as building more muscle than other high-quality whey. For most people, getting enough total protein each day matters far more than the type.

Many popular products are blends. Rule 1's R1 Protein, for example, combines whey isolate with partially hydrolysed whey isolate. For a deeper look at isolates versus blends, read whey protein isolate vs whey blend.

Who it suits

  • People who want an isolate-based protein that is low in fat. R1 Protein, for example, lists 1 g of fat or less per serve.
  • Lifters who like a quick-mixing shake straight after training.
  • Anyone who prefers the taste or texture of a particular hydrolysed product. A standard isolate is an equally reasonable choice if you prefer it.

Hydrolysed whey is still made from milk, so it is not suitable if you have a milk allergy. If you avoid dairy, look at plant-based protein instead.

How to compare on the label

  • Protein per serve and per 100 g. Per 100 g is the fairest comparison, because scoop sizes differ.
  • Protein sources. Check whether hydrolysed whey is the main protein or one part of a blend.
  • Carbs, fat and sugar. Compare these on the panel, especially if you track your intake.
  • Leucine or BCAA content. Useful when comparing serve sizes.
  • Testing. If you compete in a drug-tested sport, choose a batch-tested product (for example HASTA, Informed Sport or Informed Choice) and check with your sport first.

Popular picks at Supps247

See our ranked shortlist of the best whey protein isolate in Australia.

Related categories

Compare with whey protein isolate, beef protein and the full protein powder range.

Sources: ISSN position stand: protein and exercise (2017); Rule 1: R1 Protein product page.

Order online with Australia-wide delivery, free on orders of $99.99 or more, or visit a Supps247 store in Melbourne, regional Victoria or Brisbane to compare products in person before you buy. Members can use our price match guarantee on full-priced items.

Always read the label and follow the directions for use. If you have a medical condition, are pregnant or take regular medication, check with your doctor first.

Whey Protein Hydrolysed: questions and answers

Is hydrolysed whey better than whey isolate?
Not in any way that clearly matters for results. The ISSN notes that whey hydrolysates and isolates are both among the most researched proteins for resistance training, and that absorption differences go beyond the degree of hydrolysis alone. It does not identify hydrolysed whey as building more muscle. Choose based on taste, mixability, how it sits with you and price per serve.
Is hydrolysed whey protein lactose free?
Not necessarily. Hydrolysed whey is made from milk, so it is a milk protein and some products may still contain small amounts of lactose. Labels differ, so check the nutrition panel and allergen statement. Whey is not suitable for people with a milk allergy. If you need to avoid dairy completely, look at plant-based or beef protein powders instead.
How much protein do I need per day?
The International Society of Sports Nutrition suggests 1.4 to 2.0 g of protein per kg of body weight a day for most people who exercise regularly. For a 70 kg person that is about 98 to 140 g a day, from food and supplements combined. The ISSN also suggests spreading protein evenly across the day, roughly every 3 to 4 hours.
How much hydrolysed whey should I have in one serve?
The ISSN's general guide is about 0.25 g of high-quality protein per kg of body weight per serve, or 20 to 40 g, containing around 700 to 3,000 mg of leucine. Check the protein per scoop on your product's label to see how many scoops reach that amount, and follow the label directions.
What is the best hydrolysed whey protein in Australia?
There is no single best one for everyone, because taste, budget and how a shake sits with you matter most. At Supps247, Rule 1 R1 Protein is our best seller in this range, and other popular options include Dymatize ISO100, EHP Labs IsoPept, Next Generation Hydro-Iso WPI and Day One Hydrolysed Protein Isolate. Compare protein per 100 g, price per serve, flavours and whether the product is batch tested. Our guide to the best whey protein isolate in Australia explains how we rank our top picks.
Where can I buy hydrolysed whey protein in Melbourne or online?
Order hydrolysed whey protein online from Supps247 for delivery Australia-wide, usually within 2 to 8 business days, or buy it at one of our 17 Victorian stores, including Springvale, Craigieburn, Carnegie and Moonee Ponds, or at Richlands in Queensland. R1 Protein comes in 1, 2, 5 and 10 lb tubs and Dymatize ISO100 in several sizes, so you can start with a smaller tub to test a flavour. Stock and sizes vary by store, so check the product page or call before you travel. Our store locator finds your nearest store, and orders of $99.99 or more ship free.
Is hydrolysed whey safe to have every day?
For healthy adults, yes, within sensible amounts. The NIH Office of Dietary Supplements reports no safety concerns for protein intakes up to about 2.0 g per kg of body weight a day in athletes, and the Australian Institute of Sport suggests keeping protein supplements to one or two serves a day. Hydrolysed whey is still a milk protein, so avoid it if you have a milk allergy. Read the label as well: Primabolics Iso-Ripped, for example, says it is not suitable for children under 15 or pregnant women.
Does hydrolysed whey have any side effects?
Most people tolerate it well. When side effects do happen they are usually digestive, such as wind, bloating or cramps, and lactose is a common trigger: healthdirect lists these as typical lactose intolerance symptoms, though many people cope with small amounts. Isolate-based hydrolysed powders carry little lactose. Next Generation Hydro-Iso WPI lists 0.6 g of sugars per serve in Chocolate, and EHP Labs IsoPept adds lactase in its enzyme blend. Sweeteners and gums can also disagree with some people, so check the ingredient list.
Does hydrolysed whey work, and how long before I notice a difference?
It works as a high-quality protein. The ISSN says rapidly digested proteins rich in essential amino acids and leucine are the most effective at stimulating muscle protein synthesis, and that protein and resistance training work together. Hydrolysis is one extra processing step, and the Australian Institute of Sport notes hydrolysates cost the most, with claims of faster uptake. Changes in muscle and strength come from weeks and months of consistent training with enough total protein, not from a single tub. Dymatize ISO100 and Rule 1 R1 Protein WPI both list 25 g of protein per scoop.

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