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Weight gain can occur as a side effect of some beta blockers. The weight gain is anywhere between 2-4 pounds. It is true that weight gain is due to slowing of metabolism.
The exact underlying mechanism of weight gain is not clearly understood. It is important that you remain as physically active as possible when taking beta blockers. Weight loss supplements should be taken with caution and only after discussing with your doctor as sometimes they cause more harm than good.
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