Non-Stimulant Weight Management & Metabolic Support

Rule One R1 Lean is a cutting-edge, non-stimulant fat-support formula designed to help you lean into your body transformation goals with science-backed ingredients that support metabolism, nutrient utilisation, appetite control, and calorie burning — without caffeine, jitters, or sugar. Ideal for anyone pursuing weight management, fat loss phases, or a healthier, more defined physique, Lean delivers versatile support you can use day or night within a balanced diet and exercise program.

Formulated with a synergistic blend of amino acids, botanical extracts, micronutrient cofactors, and metabolism-supporting ingredients, R1 Lean helps your body work more efficiently while you train, recover, and stay on track with your daily nutrition. With zero added sugars, transparent labeling, and Informed Choice® certification (routinely tested for banned substances by LGC), this formula gives you confidence in both performance and quality.

How R1 Lean Supports Your Fitness Goals

Rule One R1 Lean combines multiple targeted compounds to enhance your weight management strategy:

Boosted Metabolism: Ingredients like L-Carnitine Tartrate and Capsimax® help support your body’s natural energy and calorie utilisation pathways.

Appetite & Craving Control: Extracts such as Garcinia Cambogia and Decaffeinated Green Tea & Coffee help support a sense of fullness and fat-burning activity without stimulants.

Thermogenic Activity: Grains of Paradise and apple cider vinegar work synergistically to help enhance metabolic burn in conjunction with exercise and sensible nutrition.

Nutrient Absorption: BioPerine® (black pepper extract) helps increase the bioavailability of key actives for improved overall effectiveness.

Day & Night Versatility: A stimulant-free profile means you can use Lean any time — before meals, around workouts, or later in the day — without disrupting sleep or energy levels.

Why Use Lean?

Rule One R1 Lean delivers a clean, transparent formula with ingredients you can trust, without caffeine or stimulants, so you feel supported — not wired. It’s perfect for anyone seeking metabolic balance and fat-support assistance alongside healthy eating and regular exercise. With refreshing fruit flavours and a texture that mixes easily, Lean makes staying consistent simple and enjoyable.