R1 protein WPI by Rule 1 Proteins is made entirely of ultra-pure 100 percent whey isolate and fast-acting whey hydrolysate. Whey concentrates, creamers, gums, amino spiking, and other fillers that dilute what you really came for protein have all been eliminated. The outcome is a Protein Purity Percentage of up to 87 percent, which is the highest in the industry.
R1 protein WPI by Rule 1 Proteins is made entirely of ultra-pure 100 percent whey isolate and fast-acting whey hydrolysate. Whey concentrates, creamers, gums, amino spiking, and other fillers that dilute what you really came for protein have all been eliminated. The outcome is a Protein Purity Percentage of up to 87 percent, which is the highest in the industry.
in 30 offers
The lowest price for R1 Protein WPI by Rule 1 Proteins 1lb Vanilla Creme right now is $38.54, compared across 23 retailers.
R1 Protein WPI by Rule 1 Proteins 1lb Vanilla Creme
R1 protein WPI by Rule 1 Proteins is made entirely of ultra-pure 100 percent whey isolate and fast-acting whey hydrolysate. Whey concentrates, creamers, gums, amino spiking, and other fillers that dilute what you really came for protein have all been eliminated. The outcome is a Protein Purity Percentage of up to 87 percent, which is the highest in the industry.
R1 protein WPI by Rule 1 Proteins is made entirely of ultra-pure 100 percent whey isolate and fast-acting whey hydrolysate. Whey concentrates, creamers, gums, amino spiking, and other fillers that dilute what you really came for protein have all been eliminated. The outcome is a Protein Purity Percentage of up to 87 percent, which is the highest in the industry.
The all-time low was $35.72 on 11 July 2025 — today's price is 8% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 27 May 2026.
Last updated at 27/05/2026 22:32:56
Rule 1 100% Whey Protein Isolate and Hydrolysate Protein Powder 1 lb, Chocolate Fudge (15 Servings)
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
R1 Protein 14 Servings Chocolate Fudge 0.99 lbs
Delivery $39.24
R1 Protein 15 Servings Vanilla Creme 0.99 lbs
Delivery $39.24
Rule 1 Proteins R1 WPI Protein 1lb / Vanilla Creme
Delivery $9.95
Rule 1 Protein 16 Serv Chocolate Fudge Whey Protein Isolate
Delivery $22.81
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Rule 1 100% Whey Protein Isolate And Hydrolysate Protein Powder 1 Lb,
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Rule 1 100% Whey Protein Isolate And Hydrolysate Protein Powder 1 Lb,
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Rule 1 100% Whey Protein Isolate and Hydrolysate Protein Powder 1 Lb, Vanilla Cr
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Rule 1 100% Whey Protein Isolate And Hydrolysate Protein Powder 1 Lb,
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Ultra Lean Protein | Rule 1 | R1 Protein | 36 and 78 Serves | Assorted Flavours, 1lb* (small) / Vanilla Creme
Same-day delivery $12.90
originally posted on australiansportsnutrition.com.au
Most other proteins make me feel ill or are always a hassle to try and blend. This didn’t make me feel like it was too watery and blended like a dream!! Amazing product!
originally posted on australiansportsnutrition.com.au
Absolutely delicious so easy to drink and it doesn’t leave a funny taste in your mouth like other protein shakes. Highly recommend and can’t wait to try another flavour 🙌
originally posted on australiansportsnutrition.com.au
Awesome product, great taste. Would recommend to anyone looking for an effective post workout powder.
Rule 1 100% Whey Protein Isolate and Hydrolysate Protein Powder 1 lb, Chocolate Fudge (15 Servings)
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
R1 Protein 14 Servings Chocolate Fudge 0.99 lbs
Delivery $39.24
R1 Protein 15 Servings Vanilla Creme 0.99 lbs
Delivery $39.24
Rule 1 Proteins R1 WPI Protein 1lb / Vanilla Creme
Delivery $9.95
Rule 1 Protein 16 Serv Chocolate Fudge Whey Protein Isolate
Delivery $22.81
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Most other proteins make me feel ill or are always a hassle to try and blend. This didn’t make me feel like it was too watery and blended like a dream!! Amazing product!
Absolutely delicious so easy to drink and it doesn’t leave a funny taste in your mouth like other protein shakes. Highly recommend and can’t wait to try another flavour 🙌
Awesome product, great taste. Would recommend to anyone looking for an effective post workout powder.
The cookies and cream is my favourite so far, very yummy and is a good hit of protein without much else which makes the macros easier to track.
Delicious protein that blends well and tastes great. I’ll also go back for this one, especially with vanilla so I can mix it in with frozen fruit.
First time having the R1 WPI Protein caramel into my selection of daily protein intake. I was presently surprised not just in the great taste of this protein but also the great recovery after training and noticeable result in such short time.
Been using this protein for about 2 years now and it’s Awesome, great tasting absolutely love the Salted Caramel!! 😍Doesn’t have the grainy texture that I have found with other protein shakes.Highly recommend
Great product, I buy the 10lb bags in either chocolate fudge or vanilla creme and both taste great and mix well with either milk or water. I add powdered milk for a little bit of extra protein on the go.
Excellent taste! Can’t hear it. Keeps me full and satisfied!
Thought that i'd try out the strawberries and creme for something different.. really don't like the taste at all!!When I made the purchase at the Narre Warren (Melbourne) store the man behind the counter gave me a couple of samples of the other rule 1 protein powders and now i wish i got the choc fudge - it was really nice
