Make sure your supplements work as hard as you do. Thermobol provides the energising effects of caffeine with specific vitamins & chromium to support your training goals. Thermobol contains 148mg of caffeine per tablet. It makes you feel more alert, gives you greater concentration & better mental focus. Thermobol contains 100mg of green tea extract per tablet with 100% of your Reference Intake of vitamins B1, B5, B12 & Biotin per tablet to support the bodys energy metabolism.