20 iu’s of Lantus at bed with 1,000mg/day metformin? I’d say a steady 3 lbs per week for a month, if food is there Leave a Comment / PreWorkout – “20 iu’s of Lantus at bed with 1,000mg/day metformin? I’d say a steady 3 lbs per week for a month, if food is there” RELATED: pre workout supplements uk