Rule One Proteins R1 Protein Whey Isolate
Lowest price in 90 days
Cheapest protein powder: Cost per gram of active ingredient: price ÷ servings ÷ grams per serving. Lower is cheaper for the same nutrition.
$0.06/g
R1 Protein Whey Isolate is made with super-pure whey isolate, fast-acting partially hydrolyzed whey isolate, and virtually nothing else. This elite formula completely omits the use of whey protein concentrates, creamers, amino spiking, banned substances, and other things that dilute what you really came for – protein. Even better, it tastes great too. Informed Choice® Certified. Regularly tested for banned substances by the world class sports anti-doping lab, LGC.
44 live offers · best value first
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Best price per store, per day
Price History
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Nothing here is cheaper per g protein
More protein powder
1
#1
SIXSTAR 100 Whey Protein Plus
2.4¢/g protein
Best value
sixstarpro.com
1.8 lb
$0.00
$28.99
with code
View deal
Checked
How we calculate this: $28.99 ÷ 1,200 g protein = 2.4¢/g protein
| Store | Size | Flavor | Value | Price | Checked | Link |
|---|---|---|---|---|---|---|
| sixstarpro.com | 1.8 lb | Triple Chocolate | 2.4¢/g protein |
|
Checked | View deal |
| sixstarpro.com | 1.8 lb | Vanilla Cream | 2.4¢/g protein |
|
Checked | View deal |
| sixstarpro.com | 1.8 lb | Strawberry Smoothie | 2.4¢/g protein |
|
Checked | View deal |
2
#1
nakednutrition Organic Brown Rice Protein Powder | Naked Rice - 5lb
3.9¢/g protein
Best value
nakednutrition.com
5 lb
$0.00
$74.99
with code
View deal
Checked
How we calculate this: $74.99 ÷ 1,900 g protein = 3.9¢/g protein
| Store | Size | Flavor | Value | Price | Checked | Link |
|---|---|---|---|---|---|---|
| nakednutrition.com | 5 lb | Default Title | 3.9¢/g protein |
|
Checked | View deal |
3
#1
nakednutrition Powdered Peanut Butter | Naked PB - 2LB
4.2¢/g protein
Best value
nakednutrition.com
2 lb
$0.00
$21.99
with code
View deal
Checked
How we calculate this: $21.99 ÷ 529 g protein = 4.2¢/g protein
| Store | Size | Flavor | Value | Price | Checked | Link |
|---|---|---|---|---|---|---|
| nakednutrition.com | 2 lb | Default Title | 4.2¢/g protein |
|
Checked | View deal |
4
#1
ProSupps.com Whey Concentrate
4.3¢/g protein
Best value
prosupps.com
5.6 lb
$0.00
$71.99
with code
View deal
Checked
How we calculate this: $71.99 ÷ 1,680 g protein = 4.3¢/g protein
| Store | Size | Flavor | Value | Price | Checked | Link |
|---|---|---|---|---|---|---|
| prosupps.com | 5.6 lb | Chocolate Ice Cream | 4.3¢/g protein |
|
Checked | View deal |
| prosupps.com | 5.6 lb | Vanilla | 4.3¢/g protein |
|
Checked | View deal |
Price history
What this normally costs
We are not describing this price as high or low yet. Only 0 days of history; 270 are needed before we can describe a price as typical. The figures below are what we have actually recorded.
Last 30 days
- Lowest
- $44.99
- Highest
- $129.99
- Average
- $82.72
- Median
- $84.99
- Price changes
- 0
- Volatility
- 40.6%
44 prices recorded across 1 day at 1 retailer.
Last 90 days
- Lowest
- $44.99
- Highest
- $129.99
- Average
- $82.72
- Median
- $84.99
- Price changes
- 0
- Volatility
- 40.6%
44 prices recorded across 1 day at 1 retailer.
Last year
- Lowest
- $44.99
- Highest
- $129.99
- Average
- $82.72
- Median
- $84.99
- Price changes
- 0
- Volatility
- 40.6%
44 prices recorded across 1 day at 1 retailer.
Everything we have recorded
- Lowest
- $44.99
- Highest
- $129.99
- Average
- $82.72
- Median
- $84.99
- Price changes
- 0
- Volatility
- 40.6%
44 prices recorded across 1 day at 1 retailer.
Every figure here is a price LiftRadar recorded itself. We never use a retailer’s list price or crossed-out “compare at” figure, and we make no claim about prices from before we started tracking this product. How we measure.
Disclosures
We may earn a commission on some of these links, at no extra cost to you. It never affects the ranking. How this works.
Prices, coupons and nutrition facts are collected automatically from retailer listings and may be out of date or incorrect. Confirm at the retailer's checkout before buying. Product information is for comparison only and is not medical or nutritional advice.
Rankings use the price you would actually pay divided by the amount of the active ingredient you actually get. Offers we have not confirmed in 48 hours are removed from the rankings. Read the full method.
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