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 >-
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 79 Reward PointsOur Price: $79.99In Stock -
R1 Protein Whey Isolate from Rule 1 Proteins is a clean, high-quality formula made with pure whey isolate and fast-acting hydrolyzed whey isolate—no concentrates, creamers, or unnecessary fillers. Each serving delivers 25 grams of complete protein with minimal carbs and fat, plus 12 grams of essential amino acids, including 6 grams of BCAAs, to support muscle recovery and growth. With no banned...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
Rule 1 Proteins’ Naturally Flavored R1 Protein Whey Isolate delivers 25 grams of fast-digesting, high-quality protein from pure whey isolate and hydrolysate, with no whey concentrates, creamers, banned substances, or unnecessary fillers. Each serving provides over 12 grams of essential amino acids, including more than 6 grams of BCAAs, to help support muscle recovery. Naturally flavored and swe...
+ Earn 74 Reward PointsOur Price: $74.99In Stock -
Rule 1 Proteins’ Naturally Flavored R1 Protein Whey Isolate delivers 25 grams of fast-digesting, high-quality protein from pure whey isolate and hydrolysate, with no whey concentrates, creamers, banned substances, or unnecessary fillers. Each serving provides over 12 grams of essential amino acids, including more than 6 grams of BCAAs, to help support muscle recovery. Naturally flavored and swe...
+ Earn 164 Reward PointsOur Price: $164.99In Stock -
Rule 1 Proteins’ Naturally Flavored R1 Protein Whey Isolate delivers 25 grams of fast-digesting, high-quality protein from pure whey isolate and hydrolysate, with no whey concentrates, creamers, banned substances, or unnecessary fillers. Each serving provides over 12 grams of essential amino acids, including more than 6 grams of BCAAs, to help support muscle recovery. Naturally flavored and swe...
+ Earn 74 Reward PointsOur Price: $74.99In Stock -
Rule 1 Proteins’ Naturally Flavored R1 Protein Whey Isolate delivers 25 grams of fast-digesting, high-quality protein from pure whey isolate and hydrolysate, with no whey concentrates, creamers, banned substances, or unnecessary fillers. Each serving provides over 12 grams of essential amino acids, including more than 6 grams of BCAAs, to help support muscle recovery. Naturally flavored and swe...
+ Earn 164 Reward PointsOur Price: $164.99In 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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