Whether you're trimming down or toning up, this powerful fat-burning bundle supports your journey. With ingredients like green tea, CLA, and L-carnitine, this kit boosts metabolism and promotes lean muscle retention.. ----SPLIT----. Precision-formulated to reflect the goals of thousands of customers looking to cut fat while maintaining muscle, the Lean Definition Kit combines thermogenic ingredients like green tea extract (rich in EGCG), CLA, and L-carnitine—shown in studies to support fat oxidation and energy metabolism. Designed to enhance metabolic rate while preserving lean mass, this kit reflects Bio-Synergy’s dual-focus approach: body recomposition and sustainable fat loss. Xpel H2O helps reduce water retention to sharpen definition, making this stack ideal for photo shoots, competitions, or personal transformations.