Rule 1 Proteins
Pure Power. Zero Compromise. Rule One at National Nutrition
Rule 1 Proteins is dedicated to making premium protein powders and supplements with unmatched purity and potency. Guided by "Better Input = Better Output," they use only quality ingredients and stay connected with athletes, customers, and partners to stay ahead. If they wouldn’t use it themselves, it doesn’t go on the shelf. Read more >-
Rule 1 Casein Protein provides 25 g of micellar casein per serving, offering a slow-release protein source ideal for extended support. This formula is designed to digest gradually, delivering amino acids over several hours—making it a great option before bedtime. Casein is a complete dairy protein with a rich, creamy texture and contains all nine essential amino acids (EAAs). Its slower digesti...
+ Earn 52 Reward PointsSale: $52.99
Reg.: $59.99 (Save $7.00)
In Stock -
Rule 1 Casein Protein provides 25 g of micellar casein per serving, offering a slow-release protein source ideal for extended support. This formula is designed to digest gradually, delivering amino acids over several hours—making it a great option before bedtime. Casein is a complete dairy protein with a rich, creamy texture and contains all nine essential amino acids (EAAs). Its slower digesti...
+ Earn 89 Reward PointsSale: $89.99
Reg.: $99.99 (Save $10.00)
In Stock -
Rule 1 Casein Protein provides 25 g of micellar casein per serving, offering a slow-release protein source ideal for extended support. This formula is designed to digest gradually, delivering amino acids over several hours—making it a great option before bedtime. Casein is a complete dairy protein with a rich, creamy texture and contains all nine essential amino acids (EAAs). Its slower digesti...
+ Earn 52 Reward PointsSale: $52.99
Reg.: $59.99 (Save $7.00)
In Stock -
Rule 1 Casein Protein provides 25 g of micellar casein per serving, offering a slow-release protein source ideal for extended support. This formula is designed to digest gradually, delivering amino acids over several hours—making it a great option before bedtime. Casein is a complete dairy protein with a rich, creamy texture and contains all nine essential amino acids (EAAs). Its slower digesti...
+ Earn 52 Reward PointsSale: $52.99
Reg.: $59.99 (Save $7.00)
In Stock -
Rule 1 Casein Protein provides 25 g of micellar casein per serving, offering a slow-release protein source ideal for extended support. This formula is designed to digest gradually, delivering amino acids over several hours—making it a great option before bedtime. Casein is a complete dairy protein with a rich, creamy texture and contains all nine essential amino acids (EAAs). Its slower digesti...
+ Earn 52 Reward PointsSale: $52.99
Reg.: $59.99 (Save $7.00)
In Stock -
Rule 1 Casein Protein provides 25 g of micellar casein per serving, offering a slow-release protein source ideal for extended support. This formula is designed to digest gradually, delivering amino acids over several hours—making it a great option before bedtime. Casein is a complete dairy protein with a rich, creamy texture and contains all nine essential amino acids (EAAs). Its slower digesti...
+ Earn 89 Reward PointsSale: $89.99
Reg.: $99.99 (Save $10.00)
In Stock -
Rule 1 Clear Isolate is a light, refreshing protein option made with crystal-clear whey protein isolate. Each serving delivers 20 g of protein, over 9 g of EAAs, and 5 key electrolytes to support hydration. With zero fat, sugar, gluten, or cholesterol, it’s a clean choice for fueling activity and recovery. Unlike traditional shakes, Clear Isolate offers crisp, fruit-based flavors and a smooth, ...
+ Earn 69 Reward PointsSale: $69.99
Reg.: $74.99 (Save $5.00)
In Stock -
Rule 1 Clear Isolate is a light, refreshing protein option made with crystal-clear whey protein isolate. Each serving delivers 20 g of protein, over 9 g of EAAs, and 5 key electrolytes to support hydration. With zero fat, sugar, gluten, or cholesterol, it’s a clean choice for fueling activity and recovery. Unlike traditional shakes, Clear Isolate offers crisp, fruit-based flavors and a smooth, ...
+ Earn 69 Reward PointsSale: $69.99
Reg.: $74.99 (Save $5.00)
In Stock -
Rule 1 Clear Isolate is a light, refreshing protein option made with crystal-clear whey protein isolate. Each serving delivers 20 g of protein, over 9 g of EAAs, and 5 key electrolytes to support hydration. With zero fat, sugar, gluten, or cholesterol, it’s a clean choice for fueling activity and recovery. Unlike traditional shakes, Clear Isolate offers crisp, fruit-based flavors and a smooth, ...
+ Earn 69 Reward PointsSale: $69.99
Reg.: $74.99 (Save $5.00)
In Stock -
Rule 1 Clear Isolate is a light, refreshing protein option made with crystal-clear whey protein isolate. Each serving delivers 20 g of protein, over 9 g of EAAs, and 5 key electrolytes to support hydration. With zero fat, sugar, gluten, or cholesterol, it’s a clean choice for fueling activity and recovery. Unlike traditional shakes, Clear Isolate offers crisp, fruit-based flavors and a smooth, ...
+ Earn 69 Reward PointsSale: $69.99
Reg.: $74.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins PreLift is an advanced pre-workout formula created to help you prepare for and push through demanding training sessions. With 25 active ingredients, including CarnoSyn® beta-alanine, dual-source caffeine, and patented Senactiv®, it supports mental focus, muscle endurance, and sustained energy. Pure l-citrulline and S7™ are included for pump support, while alpha-GPC, huperzia ext...
+ Earn 59 Reward PointsSale: $59.99
Reg.: $64.99 (Save $5.00)
In Stock -
Rule 1 Proteins’ Source 7 Protein combines seven premium protein sources to deliver 22 grams of protein in a smooth, great-tasting shake. The blend includes fast, moderate, and slow-digesting proteins—such as whey isolate, whey concentrate, milk isolate, pea protein, and micellar casein—providing a steady release of amino acids any time of day. Inspired by creamy gelato, it mixes easily and off...
+ Earn 47 Reward PointsSale: $47.99
Reg.: $49.99 (Save $2.00)
In Stock
Rule 1 – Better Input, Better Output
Rule 1 Proteins is a trusted leader in high-performance sports nutrition, built on a commitment to purity, transparency, and quality. With more than 40 years of manufacturing expertise, the brand has earned a reputation for producing clean, effective supplements that deliver results you can feel. Rule 1 operates its own state-of-the-art facility, allowing total control from raw material sourcing to finished products, ensuring the highest standards of quality and consistency.
Unlike many competitors, Rule 1 believes better ingredients equal better performance, which is why you’ll never find additives, fillers, concentrates, creamers, or amino spiking in its products. Every ingredient is tested upon arrival in on-site labs, and the entire facility is regularly audited by independent institutions to guarantee safety, integrity, and transparency. To further ensure athlete confidence, all products undergo Informed-Choice testing by LGC, verifying they are free of banned substances and suitable for competitive use.
Driven by science and consumer feedback, Rule 1 continues to innovate, developing products that support muscle recovery, endurance, and overall performance for serious athletes and everyday gym-goers alike.
Why Shop For Rule 1 at National Nutrition?
We carry an extensive range of sports nutrition products on our shelves at National Nutrition. When you shop for your performance supplement needs with us, you receive:
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Exceptional Customer Service from our friendly, highly knowledgeable staff
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Loyalty Points & Bonus Items when you shop online with us
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Fast Shipping that’s free on Canadian orders over $79
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Competitive Pricing on all your natural health needs
Popular Rule 1 Products
Rule 1 Casein Protein – Available in many flavours, this blend uses 25g of micellar casein per serving. It offers a slow-release protein source that’s ideal for extended support. Made to digest gradually, it’s a complete dairy protein that’s rich in all 9 essential amino acids (EAA).
Rule 1 Clear Isolate – A refreshing protein blend that’s made with crystal-clear whey protein isolate. Each serving provides 20g of protein, over 9g of EAA’s, and 5 key electrolytes. Mad with zero fat, sugar, gluten, or cholesterol, it’s a clean choice for fuelling activity and recovering.
Rule 1 PreLift - An advanced pre-workout formula created to help prepare for and push through training sessions. Made with 25 active ingredients, this formula supports mental focus, muscle endurance, and sustained energy.
Rule 1 Source7 Protein – This unique blend combines 7 premium protein sources, providing 22g of smooth protein per serving. It includes fast, moderate, and slow-digesting proteins, providing you with instant doses that help you level up your workout and prolonged doses that release throughout the day.
Frequently Asked Questions About Rule 1
1. Is Rule 1 Third-Party Tested?
Yes, all Rule 1 products are Informed Choice certified and tested by LGC.
2. Where Are Rule 1 Products Made?
Every Rule 1 product is manufactured in-house in the USA at a state-of-the-art, GMP-certified facility.
3. Does Rule 1 Use Any Fillers or Additives?
No, Rule 1 formulas are free from unnecessary fillers, concentrates, or amino spiking, ensuring pure, effective nutrition.
4. Are Rule 1 Products Free From Banned Substances?
Yes, all Rule 1 products are tested by LGC to be free from banned substances, and they are Informed-Choice certified.
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