Smartfinil 200 a brand of modafinil, is a wakefulness-promoting agent used to treat conditions like narcolepsy, sleep apnea, and shift work sleep disorder. While modafinil, including Smartfinil, is primarily known for improving alertness and cognitive function, it does not have a significant direct effect on metabolism. However, some users report mild increases in energy levels and reduced fatigue, which might indirectly lead to increased physical activity, potentially affecting metabolism. Modafinil is not intended for weight loss or metabolic enhancement. It’s essential to consult a healthcare provider before using modafinil to ensure it is safe and appropriate for your needs.