
This is not a stimulant per se, its main ingredient is B12 (20833% DV). Other ingredients are naturally thermogenic and include some caffeine in green tea leaf extract. As with all other diet and energy pills, you must read the instructions carefully: you take it 5 days a week and 2 days off. Well, as for its effectiveness, it keeps you awake without the caffeine. I wake up in the morning when I take the pill and it gives me steady energy without a break. I would say for me it gives me 8 hours of sustained energy. However, in order to lose weight, you need to exercise and eat right. This is just an addon to help you achieve your goal. To help your goal of losing weight having more energy can be an option. But you can also look for an alternative that suits your lifestyle and health.

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