Supplement Facts: Serving Size: 3 Capsules Servings Per Container: 20 Amount Per Serving: Energy: 36 kJ / 8.7 kcal Fat: 0.09 g of which saturates: 0.03 g Carbohydrates: 0.90 g of which sugars: 0.01 g Protein: 0.90 g Salt: 0 g Willow Bark Extract: 420 mg Guarana Extract: 390 mg Green Tea Extract: 390 mg L-Tyrosine: 300 mg Caffeine: 273 mg Coleus Forskohlii Extract: 150 mg Ginger Powder: 150 mg Citrus Aurantium Extract: 112 mg (of which Synephrines 6.6 mg) Pepper Extract: 90 mg Yerba Mate Extract: 90 mg Griffonia Simplicifolia Extract: 90 mg Choline: 76 mg Bitter Melon Extract: 75 mg Grapefruit Extract: 75 mg Niacin: 45.0 mg (281% RI) *RI - Reference Intake Ingredients: Thermogenic Burn Formula (green tea extract, caffeine, guarana, yerba mate extract, niacin), Metabolic Heat Complex (ginger powder, pepper extract, citrus aurantium extract, bitter melon extract, grapefruit extract), Hormones-Bloodflow-Stimulants (willow bark extract, Coleus forskohlii extract), Mental Mood Booster (Griffonia simplicifolia (black bean) extract, L-tyrosine), bovine gelatin (capsule), release agent (silicon dioxide, magnesium salts of fatty acids), colorants (E172, E171)

Avoid proprietary blends, look for GMP/USP/NSF verification, and select formulations designed for better absorption and fewer GI side effects
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Ether fraction of methanol extracts of Gastrodia elata, medicinal herb protects against neuronal cell damage after transient global ischemia in gerbils