Glucophage interferring with HGH

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I was doing some research on glucophage and a guy said that it blocks GH on a cellular level. Whatever that means. I thought taking glucophage would be a good choice while on HGH if your trying to add muscle without getting fat at all? I was thinking 500mg after breakfast(50carbs) and another 500 after workout with 75carbs and 500mg later with post workout meal #2 another 50-75carbs. Sound good? thanks