CURRENT BEST SELLERS

  • Black and white protein powder tub with a light green label showcasing pistachios and ice cream

    Source 7 Protein

    Multi-Source Protein Blend
    Regular price $39.99 Sale price $31.99
    Sale price $31.99 Regular price $39.99
    Available in 5 Flavors
  • Black jar with a green label for a hydration supplement featuring watermelon slices and splash

    Hydration

    Premium Electrolyte Support
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 7 Flavors
  • Black jar with a blue label featuring a large 1 RULE logo and Clear Whey Isolate text

    Clear Whey Isolate

    Clear & Refreshing Whey Isolate
    Regular price $44.99 Sale price $35.99
    Sale price $35.99 Regular price $44.99
    Available in 7 Flavors
  • Black plastic jar of pre-workout supplement with a large stylized 1 in red to blue gradient

    PreLift

    Our Flagship Pre-Workout
    Regular price $34.99 Sale price $20.99
    Sale price $20.99 Regular price $34.99
    Available in 9 Flavors
  • Front of black protein jar with green label Text Rule 1 Mass Gainer Vanilla Crème 40g Protein 1240 Calories

    Mass Gainer

    High Calorie Weight Gainer
    Regular price $44.99 Sale price $35.99
    Sale price $35.99 Regular price $44.99
    Available in 7 Flavors

FIND YOUR PROTEIN PARTNER

  • Front of a black protein powder tub with a large orange 1 logo and Whey Isolate text

    R1 Protein Whey Isolate

    100% Whey Isolate*
    Regular price $49.99 Sale price $39.99
    Sale price $39.99 Regular price $49.99
    Available in 16 Flavors
  • Black jar with a blue label featuring a large 1 RULE logo and Clear Whey Isolate text

    Clear Whey Isolate

    Clear & Refreshing Whey Isolate
    Regular price $44.99 Sale price $35.99
    Sale price $35.99 Regular price $44.99
    Available in 7 Flavors
  • Black protein powder tub with a blue label showing Whey Protein and Chocolate Fudge flavor

    Whey Protein

    100% Whey Protein*
    Regular price $54.99 Sale price $43.99
    Sale price $35.99 Regular price $44.99
    Available in 16 Flavors
  • Black and white protein powder tub with a light green label showcasing pistachios and ice cream

    Source 7 Protein

    Multi-Source Protein Blend
    Regular price $39.99 Sale price $31.99
    Sale price $31.99 Regular price $39.99
    Available in 5 Flavors
  • Black protein powder tub with a purple label and chocolate fudge flavor graphic

    Casein Protein

    100% Micellar Casein
    Regular price $34.99 Sale price $24.49
    Sale price $24.49 Regular price $34.99
    Available in 4 Flavors

GET READY FOR INTENSE WORKOUTS

  • Black plastic jar of pre-workout supplement with a large stylized 1 in red to blue gradient

    PreLift

    Our Flagship Pre-Workout
    Regular price $34.99 Sale price $20.99
    Sale price $20.99 Regular price $34.99
    Available in 9 Flavors
  • Black tub with blue lion graphic on a black label with light blue tropical foliage

    Roar

    Ferocious Pre-Workout
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 4 Flavors
  • Front of a black tub with a green number 1 logo and Pump text with Blue Razz Lemonade flavor
    Sold out

    Pump

    Nitric Oxide Support
    Regular price $24.99 Sale price $14.99
    Sale price $11.99 Regular price $19.99
    Available in 4 Flavors
  • Black jar of Rule One Energized Amino Peach Mango flavor with 30 servings 9 52 oz 270g

    Energized Amino

    Amino Acids + Energy
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 7 Flavors
  • Black tub with a red and white label featuring CHARGED CREATINE and SNOW CONE text

    Charged Creatine

    Multi-Source Creatine, Energy, & Hydration
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 3 Flavors
  • Black Rule One Citrulline container front view with pump and performance support 3g L-Citrulline
    Sold out

    Citrulline

    Foundational Pump Support^
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99

SUPPORT YOUR PERFORMANCE

  • Black plastic jar front view with Essential Amino 9 and Fruit Punch text in orange and pink

    Essential Amino 9

    Recovery & Hydration
    Regular price $24.99 Sale price $14.99
    Sale price $14.99 Regular price $24.99
    Available in 5 Flavors
  • Black tub of R1 Active BCAA Blue Raspberry dietary supplement with blue accents

    Active BCAA

    BCAAs + Hydration
    Regular price $24.99 Sale price $14.99
    Sale price $14.99 Regular price $24.99
    Available in 6 Flavors
  • Black jar with a green label for a hydration supplement featuring watermelon slices and splash

    Hydration

    Premium Electrolyte Support
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 7 Flavors
  • Black jar of Unflavored BCAA dietary supplement for performance and recovery support 30 servings

    BCAAs

    Micronized BCAAs
    Regular price $11.99 Sale price $7.19
    Sale price $7.19 Regular price $11.99
    Available in 8 Flavors
  • Black Glutamine dietary supplement container with white and orange text R1 Rule Glutamine Unflavored

    Glutamine

    Conditionally Essential Amino Acid
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 1 Flavors
  • Creatine

    Creatine

    Pure Creatine Monohydrate
    Regular price $14.99 Sale price $8.99
    Sale price $8.99 Regular price $14.99
    Available in 5 Flavors

SUPPORT YOUR HEALTHY LIFESTYLE

  • Black bottle with a black cap and white and blue label displaying MENS MULTI and active ingredient details

    Men's Multi

    Daily Multivitamin
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 1 Flavors
  • Black bottle with white label WOMENS MULTI ACTIVE LIFESTYLE HIGH POTENCY MULTIVITAMIN printed on it

    Women's Multi

    Daily Multivitamin
    Regular price $14.99 Sale price $8.99
    Sale price $8.99 Regular price $14.99
  • White and black container of unflavored collagen peptides 25 servings

    Collagen Peptides

    Hydrolyzed Bovine Collagen
    Regular price $19.99 Sale price $11.99
    Sale price $11.99 Regular price $19.99
    Available in 4 Flavors
  • Rule One Fruits Greens daily nutrition support Mixed Berry in a white tub with green and red accents

    Fruits & Greens

    Superfood & Antioxidant Complex
    Regular price $34.99 Sale price $20.99
    Sale price $20.99 Regular price $34.99
  • Front of black Rule One Multi-Source Collagen container with text indicating 25 servings unflavored

    Multi-Source Collagen

    Bovine, Chicken, Marine, & Eggshell Collagens
    Regular price $24.99 Sale price $14.99
    Sale price $14.99 Regular price $24.99
  • Black bottle with white label blue accents and FISH OIL OMEGA-3 FATTY ACIDS 100 SOFTGELS printed
    Sold out

    R1 Fish Oil Softgels

    Omega-3 Fatty Acids
    Regular price $13.99 Sale price $8.39
    Sale price $8.39 Regular price $13.99

QUALITY IS RULE 1. SUPERIOR VALUE IS THE RESULT

As one of few brands who actually makes the advanced formulas we bring to market, Rule 1 Proteins is in a unique position to maintain complete control through every step in the process. From ingredient sourcing, to blending and packaging, and final product inspection. Nothing is ever left to chance. Equally important, in-house manufacturing also enables us to deliver unparalleled performance nutrition at incredible value.

QUALITY IS RULE 1. SUPERIOR VALUE IS THE RESULT