HASTA Whey Protein Isolate

Bulk Nutrients’ HASTA Certified Whey Protein Isolate is our same great tasting WPI, which is one of the purest Whey Protein Isolates on the market. HASTA WPI comes with the added security of each batch being tested for SIA/WADA banned ingredients.

4.5 from 4 reviews. Read all reviews or leave your own.
  • Lactose Free
  • Gluten Free Ingredients
  • Vegetarian
  • Vegan
  • Taste
  • Mixability
  • Effectiveness
  • Value for Money

Pay your way! Checkout with AfterPay or Zip Pay when your order is over $100 AUD. Find out more

Buy in bulk and save

  • 1kg = AU$42
  • 2kg = AU$81 (AU$40.50 each)
  • 3kg = AU$114 (AU$38.00 each)
  • 4kg = AU$144 (AU$36.00 each)
  • 5kg = AU$175 (AU$35.00 each)
  • 10kg = AU$345 (AU$34.50 each)
  • 15kg = AU$510 (AU$34.00 each)
  • 20kg = AU$660 (AU$33.00 each)

We are transitioning to a new supplier of WPI over the coming weeks, you may notice our WPI is now creamier.

HASTA certified

Low Lactose

Highest Protein

A protein safe for use in tested sports

Bulk Nutrients’ HASTA Certified Whey Protein Isolate is our same great tasting WPI, with the added security of each batch being tested for SIA - Sports Integrity Australia/WADA banned ingredients.

This additional layer of security is an important factor for athletes competing at the highest level and regularly drug tested. In fact, our HASTA certified WPI is the protein of choice for Melbourne City Football Club!

Pure Whey Protein Isolate designed for athletes

Bulk Nutrients HASTA Certified WPI is high in protein and low in fats, carbs and lactose. This makes it the optimal protein source for athletes looking to kickstart recovery, maintain and grow lean muscle and improve performance.

Why should you choose HASTA certified Whey Protein Isolate?

  • It’s a fast-acting protein powder to support muscle growth and post-workout recovery

  • HASTA Certified WPI is a lean protein that’s super low in carbs and fats

  • Safe for use in tested sports - Each batch is tested for SIA - Sports Integrity Australia/WADA banned ingredients

  • Naturally high in amino acids to support muscle recovery and development

HASTA Certified for your safety

Before going on sale, every batch of delicious HASTA Certified WPI is sent off for testing with Human and Supplement Testing Australia (HASTA) to ensure it’s free of any SIA - Sports Integrity Australia/WADA banned substances. HASTA’s drug screen is one of the most comprehensive screens available, covering more than 200 identified banned substances.

For more information on our HASTA certification process, check out our info page and detailed blog. Other Bulk Nutrients' products with the Hasta Certified include flavours of BCAA Recovery, Pre Workout 101 and Electrolyte Plus. HASTA Whey Protein Isolate has replaced our Hyper Hydrolyse Chocolate and Vanilla flavours.

Bulk Nutrients’ HASTA lab test results

Below is current and historical HASTA test results of HASTA WPI, so you can buy Bulk Nutrients with confidence. For the full list of all our HASTA lab tests click here.

Directions & Ingredients


30 grams (approx. 1 densely packed rounded scoop) after training for maximum nutritional benefit, or anytime during the day for a low fat snack replacement or to boost your protein intake.
For greatest accuracy we recommend occasionally check weighing your dosage.

Directions for Whey Protein Isolate

Combine powder with 300-400ml of water or low fat milk and consume immediately.

We suggest you check out Protein Flavour & Sweetness Tweaking for information on how best to mix WPI.


Cross and Ultra Filtered Whey Protein Isolate (WPI), Flavour, Sweetener (Sucralose).

  • Chocolate flavour contain cocoa.


Contains Milk.


Keep well sealed, protect from moisture, light and heat.

Bulk Nutrients is proudly Australian owned and operated with all products developed, blended and packed locally in our facility in Grove, Tasmania, Australia.Find out more!

Frequently asked questions about Hasta WPI

How does Hasta Whey Protein Isolate taste?

Hasta Whey Protein Isolate is flavoured and is generally considered to have a pleasant taste.

What is Hasta WPI made from?

Hasta Whey Protein Isolate is a protein derived from milk.

Are samples of Hasta WPI available?

Sorry we do not provide samples of Hasta Whey Protein Isolate.

How is Hasta WPI packaged?

Hasta Whey Protein Isolate is packaged in resealable 1kg pouches.

Is the packaging for Hasta WPI recyclable?

Yes! The bag can be recycled by placing it in the REDcycle drop off point bins. The included scoop can be recycled as a hard plastic in your local council pickup.

If you'd like more information, check this article which breaks down how Bulk's various products' packaging can be recycled.

Can I receive a discount buying more than one bag of Hasta WPI at once?

Absolutely! Price breaks for Hasta Whey Protein Isolate begin when you purchase 2 units of any flavour. Just add more than that to your cart to see the savings.

WPI Nutrition Panels

Chocolate Nutrition Information
Servings per 1kg package: 33 Servings size: 30g
Average Quantity Per Serving Average Quantity Per 100g
Energy (kj) 480 1598.4
Protein (g) 25.5 85.2
Fats (g) 0.5 1.7
  (saturated) (g) 0.4 1.2
Carbohydrates (g) 1.2 3.9
  (sugars) (g) 0.3 1.0
Sodium (mg) 55 182.8
Vanilla Nutrition Information
Servings per 1kg package: 33 Servings size: 30g
Average Quantity Per Serving Average Quantity Per 100g
Energy (kj) 481 1602
Protein (g) 26.6 88.5
Fats (g) 0.3 1.0
  (saturated) (g) 0.2 0.7
Carbohydrates (g) 0.9 2.9
  (sugars) (g) 0.2 0.8
Sodium (mg) 54 179
Typical Whey Protein Isolate Amino Acid Profile
Typical Amino Acid Profile Avg Qty Per Serve Avg Qty Per 100g
Alanine (mg) 1379 4597
Arginine (mg) 726 2420
Aspartic Acid (mg) 3023 10077
Cysteine (mg) 967 3223
Glutamic Acid (mg) 4257 14190
Glycine (mg) 435 1450
Histidine (mg) 484 1613
Isoleucine (mg) 1524 5080
Leucine (mg) 3459 11530
Lysine (mg) 2709 9030
Methionine (mg) 580 1933
Phenylalanine (mg) 919 3063
Proline (mg) 1088 3627
Serine (mg) 1088 3627
Threonine (mg) 1282 4273
Tryptophan (mg) 580 1933
Tyrosine (mg) 1016 3387
Valine (mg) 1354 4513

Formulated Supplementary Sports Food. Not suitable for children under 15 years of age or pregnant women. Should only be used under medical or dietetic supervision. This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and appropriate physical training or exercise program.

HASTA Whey Protein Isolate Reviews

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