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Rule 1 Lean

Rule 1 Lean

A Product
Non-Stim Weight Management*
  • Non-stim ingredients*
  • L-Carnitine Tartrate & Apple Cider Vinegar
  • Capsimax® & Grains of Paradise
  • Zero added sugars & transparent labeling
32 Reviews
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Buying Options
$25.99 25.9900
30 Servings (Powder)
30 Servings | $0.87 Per Serving
Buy 1 Get 1 FREE
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$25.99 25.9900
60 Capsules
30 Servings | $0.87 Per Serving
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Nutrition Info

30 Servings Blue Razz Lemonade

Serving Size: About 1 Scoop (6g)
Servings Per Container: 30
Amount Per Serving
Amt
%DV
Calories
20
Total Carbohydrate
2g
<1%
Vitamin B6
1.7mg
100%
Vitamin B12
2.4mcg
100%
L-Carnitine Tartrate
1.5g
†
Taurine
800mg
†
Apple Cider Vinegar Powder
500mg
†
L-Tyrosine
500mg
†
Garcinia cambogia Fruit Extract
300mg
†
Coconut Fruit Water Powder
250mg
†
Decaffeinated Green Tea Leaf Extract
100mg
†
Capsicum Fruit Extract (Capsimax®)
25mg
†
Grains of Paradise (Aframomum melegueta) Seed Extract
20mg
†
Black Pepper Fruit Extract (BioPerine®)
5mg
†
* % Daily Value is based on a 2,000 calorie diet. Your daily values may be higher or lower based on your calorie needs.
† Daily Value (DV) not established.
Ingredients
Inulin, Natural & Artificial Flavors, Citric Acid, Malic Acid, Silicon Dioxide, Calcium Silicate, Sucralose, Acesulfame Potassium, FD&C Blue #1.
Allergen Warning
Contains: Tree Nuts (Coconut).

Mix (1) one scoop with 8-12oz of cold water. Consume before meals or cardio workouts, perferably on an empty stomach. Combine with a balanced diet and regular exercise.

KEEP OUT OF REACH OF CHILDREN. FOR USE BY HEALTHY ACTIVE ADULTS ONLY. CONSULT YOUR PHYSICIAN BEFORE USING THIS PRODUCT IF YOU ARE TAKING ANY MEDICATION, ARE UNDER A PHYSICIANS CARE FOR ANY MEDICAL CONDITION, OR UNDER 18 YEARS OF AGE. NOT FOR USE BY WOMEN THAT ARE PREGNANT, TRYING TO GET PREGNANT, OR NURSING.
Directions
Warnings
Expand Info
Product Information
Main banner with Lean powder and capsules bottles on red background

R1 Lean

Metabolic Support – Without Stimulants*

When paired with a sensible diet and regular exercise, the combination of extracts, amino acids, micronutrient cofactors, and other non-stim ingredients in Lean are designed to help support thermogenesis, metabolism, and nutrient utilization.*

female athlete outdoors holding Rule 1 Lean capsules bottle

Day or Night Versatility

Whether you choose the powders, capsules, or a combination of the two, Lean provides around-the-clock support for your weight management goals with a non-stim blend of ingredients including L-Carnitine, Apple Cider Vinegar, Capsimax®, Grains of Paradise, Garcinia, Forskohlii, and Decaffeinated Green Tea & Coffee Extracts.*

  • 1.5g L-Carnitine Tartrate (powders) / 250mg (capsules)†
  • 500mg Apple Cider Vinegar / 150mg (capsules)†
  • 25mg Capsimax® (powders) / 50mg (capsules)†
  • 20mg Grains of Paradise (powders) / 40mg (capsules)†
  • 250mg Coconut Water Powder (powders only)†
  • 250mg Forskohlii Extract (capsules only)†
  • 5mg BioPerine®†
  • Zero Added Sugars
  • Non-Stim Ingredients*
  • Transparent Labeling

Informed Choice® Certified.

Regularly tested for banned substances by the world class sports anti-doping lab, LGC.

† Per serving

Reviews
Overall Rating
4.8 out of 5 stars
Reviews (32)
Verified Buyers (32)
Review Graph
  • 5 star
    84%

  • 4 star
    13%

  • 3 star
    3%

  • 2 star
    0%

  • 1 star
    0%

Top Rated Flavors
  • Mandarin Mango (5/5 )
  • Guava Lemonade (4.9/5 )
  • Blue Razz Lemonade (4.8/5 )
  • Pineapple Passionfruit (4.5/5 )
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Overall Rating
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Jelan M
Healthy Lifestyle
Verified Buyer
Rule1 does it again ! The Taste is A1 ! For me, this is a Perfect non-stim product *
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2026-08-31 09:25:26Z
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Overall Rating
  • Blue Razz Lemonade
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Jeffrey J
Increase Strength
Verified Buyer
Works great. No unintended side effects. Flavor is amazing!! Will be ordering again!*
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2026-08-24 08:41:45Z
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  • Guava Lemonade
  • Pineapple Passionfruit
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Ian D
Build Muscle
Verified Buyer
Tasty and effective post-workout cardio supplement in the afternoon*
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0 of 0 found this helpful
2026-07-29 10:43:44Z
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Jeffrey J
Increase Strength
Verified Buyer
Love the rule one flavors and this product works great. You can feel the burn of the thermogenic*
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0 of 0 found this helpful
2026-07-17 17:16:05Z
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Overall Rating
  • Blue Razz Lemonade
  • Guava Lemonade
  • Mandarin Mango
  • Pineapple Passionfruit
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jamison a
Verified Buyer
Great non stimulant fat burner! Added to water in the evening gives a nice drink with dinner! *
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0 of 0 found this helpful
2026-06-05 21:23:08Z
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Jeffrey J
Increase Strength
Verified Buyer
Love this product, and the price at M&S is perfect. The flavor is amazing. Very impressed. Have had no side effects.*
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0 of 0 found this helpful
2026-04-28 08:12:43Z
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Jeffrey J
Increase Strength
Verified Buyer
This rule 1lean works as far as I can tell but even as important is that it tastes amazing. Love it.*
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0 of 0 found this helpful
2026-04-13 10:02:08Z
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Overall Rating
  • Guava Lemonade
  • Mandarin Mango
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Jeffrey J
Increase Strength
Verified Buyer
Works great. Flavor is very good. Not some odd flavoring like some others. We love Rule 1.*
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0 of 0 found this helpful
2026-04-07 14:16:40Z
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Overall Rating
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  • Mandarin Mango
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Sammy D
Verified Buyer
This stuff is no joke. This is the best cut cycle I’ve ever had. Tastes great no jitters. *
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1 of 1 found this helpful
2026-02-24 09:34:37Z
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Maxwell M
Verified Buyer
Taste great! Mixes well and suppresses my appetite. The no caffeine lets you take it whenever.*
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0 of 0 found this helpful
2025-12-24 10:48:25Z
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* Muscle & Strength does not imply any medical claims from this review. There are no guarantees of specific results and results may vary.
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

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