The old adage of pull yourself up by your bootstraps as a weight loss approach, telling people to just eat right and exercise more, does not help many patients struggling with weight, and does not align with the scientific evidence as a solution for everyone with obesity
10.1007/s12640-020-00284-z 47 DuanJ.GuanY.MuF.GuoC.ZhangE.YinY.et al (2017)
Studies were categorized according to the duration of therapy, with the majority reporting outcomes after a 6-month follow-up period

Supplement Facts: Serving Size: 1 Scoop (13.3g) Servings Per Container: 30 Amount Per Serving: L-Citrulline DL-Malate 2:1: 6g Beta-Alanine: 3.2g Beet Root Extract (1% Nitrate): 1g Taurine: 1g Caffeine Anhydrous: 250mg AMPiberry (Juniperus communis): 150mg Infinergy (Di-Caffeine Malate): 100mg Cocoteanol (Theobroma cacao & Camelia sinensis extract): 50mg Naringin 98% (Citrus grandis): 25mg Bioperine (Black Pepper extract): 10mg Calories: 0 kcal Energy kJ: 0 kJ Protein: 0g Carbohydrate: 0g of which sugars: 0g Fat: 0g of which saturates: 0g Fibre: 0g Salt: 0g *RI - Reference Intake Ingredients: L-Citrulline DL-Malate 2:1, Beta-Alanine, Beet Root Extract (1% Nitrate) (Beta vulgaris), Taurine, Caffeine Anhydrous, AMPiberry (Juniperus communis) (berry), Infinergy (Di-Caffeine Malate), Cocoteanol (Theobroma cacao & Camelia sinensis extract), Naringin 98% (Citrus grandis) (fruit), Bioperine (Black Pepper extract) (fruit), Silica, Natural and Artificial Flavoring, Calcium Silicate, Sucralose, Acesulfame Potassium

So, if you're trying to transform your body composition by gaining muscle, BPC 157 could help you speed up that process