Rule 1 Whey Blend is an all-whey protein powder for people who want an everyday shake after training or between meals. Newer Rule 1 tubs simply call it Whey Protein. One 35 g scoop of Chocolate Fudge gives 24 g of protein, 4 g of carbohydrate and 2.5 g of fat, from a blend of whey concentrate, whey isolate and hydrolysed whey isolate.
At a glance
| Detail | Rule 1 Whey Blend |
|---|---|
| Brand | Rule 1 (Rule One Proteins) |
| Type | Whey protein blend: concentrate, isolate and hydrolysed isolate |
| Serve size | 1 scoop (35 g, Chocolate Fudge) |
| Protein per serve | 24 g. Rule 1 states 11 g of naturally occurring EAAs and 5 g of BCAAs |
| Energy, carbs and fat per serve | 130 Calories (about 545 kJ), 4 g carbohydrate (1 g sugars), 2.5 g fat |
| Sizes we list | 1 lb (455 g, 13 serves), 2 lb (910 g, 26 serves) and 5 lb (2.28 kg, 65 serves), from Chocolate Fudge labels |
| Flavours we list | 22, including Chocolate Fudge, Vanilla Ice Cream, Cookies & Creme, Birthday Cake, Lightly Salted Caramel and Pistachio Ice Cream. The 1 lb tub comes in Chocolate Fudge and Vanilla Ice Cream. |
| Dietary notes | Contains milk and soy. Sweetened with sucralose and acesulfame potassium. Not lactose free. |
What is in Rule 1 Whey Blend
Rule 1 says 100% of the protein comes from whey. The Chocolate Fudge ingredient list starts with the protein blend (whey protein concentrate, whey protein isolate and hydrolysed whey protein isolate), followed by cocoa, flavours, two thickeners (cellulose gum and xanthan gum), salt, the sweeteners sucralose and acesulfame potassium, and soy and sunflower lecithin.
The three wheys, in plain terms. The Australian Institute of Sport (AIS) protein fact sheet explains that whey concentrate is 70 to 80% protein by weight with small amounts of carbohydrate and fat, isolate is filtered further to about 90% protein, and hydrolysate is broken into shorter pieces, with claims of faster uptake. The AIS also says the practical difference between the forms is minimal: a 30 g serve of any of them gives roughly 21 to 27 g of protein.
Amino acids. Rule 1 states each scoop has 11 g of essential amino acids (EAAs) and 5 g of branched-chain amino acids (BCAAs), all naturally occurring from the whey. The AIS notes whey is naturally high in BCAAs, including leucine, and that adding extra amino acids is unnecessary with animal proteins like this.
Lactose and cholesterol. Because it includes whey concentrate, this powder carries some lactose; the AIS notes that may matter for people who are particularly lactose intolerant. The front label also points you to the panel for cholesterol, which lists 80 mg per scoop of Chocolate Fudge.
Who it suits
- Gym-goers who want a simple daily protein shake after training.
- Anyone adding protein to a breakfast or snack that is usually low in it, a use the AIS describes.
- Regular users who prefer bigger tubs: the 5 lb tub is labelled 65 serves.
- Flavour hunters: we list 22 flavours.
Who should check first
- Milk or soy allergy: the label says it contains milk and soy.
- Lactose intolerance: Rule 1 suggests people avoiding lactose look at a 100% whey isolate instead.
- Weight loss: the front label says to use it as a food supplement only, not for weight reduction.
- Pregnancy: Rule 1 advises checking with your GP.
- Medical conditions or medication: talk to your doctor or dietitian before raising your protein intake.
- Drug-tested athletes: check Sport Integrity Australia guidance and the certifier databases yourself.
How to use Rule 1 Whey Blend
Rule 1's directions: mix about one scoop with 6 to 8 oz (about 180 to 240 ml) of cold water, milk or your favourite drink in a shaker, or in a glass with a spoon. A blender on high gives an extra smooth shake. Milk adds its own protein, carbohydrate and fat.
Rule 1 suggests having it straight after training, or between meals or in the evening. The AIS focuses on spreading protein across 3 to 5 meals and snacks a day, with about 15 to 30 g at each, and puts protein needs for athletes in heavy training at 1.2 to 1.6 g per kg of body mass a day. It also notes most athletes reach that from food, so a shake is a handy top-up rather than a must. Work out your own number with our daily protein guide.
How it compares
- R1 Protein Whey Isolate: Rule 1's isolate-only option, with 25 g of protein, 3 g of carbohydrate and 0.5 g of fat per 32 g scoop of Chocolate Fudge, and no whey concentrate or gums in the ingredient list.
- Rapid Vegan Plant Protein: a plant protein for people who avoid dairy altogether.
Still deciding? Read whey isolate vs whey blend.
Where to buy Rule 1 Whey Blend in Melbourne and Australia
You can buy Rule 1 Whey Blend online at Supps247 with Australia-wide delivery (see shipping and returns), or order online and click and collect from one of 11 Supps247 stores that offer online pickup. Supps247 has 18 stores, 17 in Victoria plus Richlands in Queensland, so use the store locator to find your nearest. Staff in store can help you compare labels side by side. You can also use our price match guarantee (conditions apply).
Rule 1 Whey Blend review: our verdict
Rule 1 Whey Blend is a solid all-rounder for everyday shakes: 24 g of protein per Chocolate Fudge scoop, 22 flavours, and three sizes from a 1 lb trial tub to a 5 lb tub with 65 serves. It suits gym-goers who are fine with a little lactose and want lots of flavour choice without needing isolate-level macros. The trade-off against its sibling is small but real: slightly more carbohydrate and fat, and some lactose from the concentrate. If you are lactose sensitive or cutting hard, R1 Protein is the better Rule 1 option.
FAQs
How much protein is in Rule 1 Whey Blend?
24 g per 35 g scoop on the Chocolate Fudge label. Values vary slightly between flavours, so check your tub.
How many serves are in each size?
The Chocolate Fudge labels list 13 serves in the 1 lb (455 g) tub, 26 in the 2 lb (910 g) tub and 65 in the 5 lb (2.28 kg) tub. Scoop weights differ between flavours (Vanilla Ice Cream uses a 33 g scoop), so the count on your tub may differ.
Is Rule 1 Whey Blend good for beginners?
It is a simple starting point: one scoop, one shake and plenty of flavours. Work out your daily protein need first, since the AIS notes most athletes reach their target from food. See which whey protein is best for beginners.
Is Rule 1 Whey Blend lactose free?
No. It contains whey concentrate, which carries some lactose. If lactose bothers you, Rule 1 points to a whey isolate, such as its R1 Protein, instead.
Can I mix it with milk?
Yes. Rule 1's directions include cold water, milk or your favourite drink. Water keeps the shake to the label values, while milk adds extra protein, carbohydrate and fat.
Label details checked against the official Rule 1 product page on 19 October 2026. Formulas can change, so always read the label on the product you buy and follow the directions.
Sources: Rule 1, Whey Protein product page; Rule 1 Australia, Whey Protein (Whey Blend) product page; Rule 1, Whey Protein Chocolate Fudge nutrition panel; Rule 1, R1 Protein Whey Isolate Chocolate Fudge nutrition panel; Australian Institute of Sport, Group A supplements: Isolated Protein Supplements fact sheet; Sport Integrity Australia, Supplements in sport
